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Database: PDB
Entry: 1W4P
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Original site: 1W4P 
HEADER    HYDROLASE                               27-JUL-04   1W4P              
TITLE     BINDING OF NONNATURAL 3'-NUCLEOTIDES TO RIBONUCLEASE A                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PANCREATIC RIBONUCLEASE A;                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: RNASE 1, RNASE A;                                           
COMPND   5 EC: 3.1.27.5;                                                        
COMPND   6 OTHER_DETAILS: 2'-DEOXYURIDINE 3'-PHOSPHATE                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 ORGAN: PANCREAS                                                      
KEYWDS    NONNATURAL 3'-NUCLEOTIDES, RNASE A, HYDROLASE, RIBONUCLEASE,          
KEYWDS   2 ENDONUCLEASE                                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.L.JENKINS,N.THIYAGARAJAN,R.Y.SWEENEY,M.P.GUY,B.R.KELEMEN,           
AUTHOR   2 K.R.ACHARYA,R.T.RAINES                                               
REVDAT   3   13-DEC-23 1W4P    1       REMARK                                   
REVDAT   2   24-FEB-09 1W4P    1       VERSN                                    
REVDAT   1   02-FEB-05 1W4P    0                                                
JRNL        AUTH   C.L.JENKINS,N.THIYAGARAJAN,R.Y.SWEENEY,M.P.GUY,B.R.KELEMEN,  
JRNL        AUTH 2 K.R.ACHARYA,R.T.RAINES                                       
JRNL        TITL   BINDING OF NON-NATURAL 3'-NUCLEOTIDES TO RIBONUCLEASE A      
JRNL        REF    FEBS J.                       V. 272   744 2005              
JRNL        REFN                   ISSN 1742-464X                               
JRNL        PMID   15670155                                                     
JRNL        DOI    10.1111/J.1742-4658.2004.04511.X                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.69 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.69                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 41.39                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 391863.650                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 90.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 24768                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.217                           
REMARK   3   FREE R VALUE                     : 0.226                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1194                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.69                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.80                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4171                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2180                       
REMARK   3   BIN FREE R VALUE                    : 0.2640                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 216                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.018                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1901                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 40                                      
REMARK   3   SOLVENT ATOMS            : 290                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 14.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.01000                                             
REMARK   3    B22 (A**2) : 0.79000                                              
REMARK   3    B33 (A**2) : 0.23000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.21                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.03                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.22                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.11                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.600                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.600                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 43.74                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : UMP.PARAM                                      
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  3   : WATER_REP.TOP                                  
REMARK   3  TOPOLOGY FILE  4   : UMP.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1W4P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 27-JUL-04.                  
REMARK 100 THE DEPOSITION ID IS D_1290020590.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-MAR-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 5.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX9.6                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.87                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27984                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.690                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.4                               
REMARK 200  DATA REDUNDANCY                : 3.200                              
REMARK 200  R MERGE                    (I) : 0.09000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.4000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.75                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.12000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 8.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1AFU                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 35.75                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20MM SODIUM CITRATE BUFFER, PH5.5,       
REMARK 280  CONTAINING PEG4000 (25% W/V), PH 5.50                               
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       50.22550            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       16.47100            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       50.22550            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       16.47100            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS B  41    CB                                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A  14       75.12   -151.58                                   
REMARK 500    ALA A  19       17.75   -149.91                                   
REMARK 500    ALA A  20      -56.93     69.66                                   
REMARK 500    SER A  21      174.44     55.24                                   
REMARK 500    SER A  22      125.20     67.54                                   
REMARK 500    GLN A  60     -141.77    -99.15                                   
REMARK 500    ASN A  71       39.19    -96.18                                   
REMARK 500    ASP B  14       79.13   -151.91                                   
REMARK 500    SER B  16     -122.02    -65.38                                   
REMARK 500    THR B  17     -178.93    -66.51                                   
REMARK 500    ALA B  19     -152.85   -153.26                                   
REMARK 500    GLN B  60     -131.44   -106.27                                   
REMARK 500    ALA B 122      175.69    177.26                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH B2029        DISTANCE =  6.13 ANGSTROMS                       
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN               
REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW,          
REMARK 700 TWO SHEETS ARE DEFINED.                                              
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UM3 A1125                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UM3 B1125                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1A2W   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF A 3D DOMAIN-SWAPPED DIMER OF BOVINE PANCREATIC  
REMARK 900 RIBONUCLEASE A                                                       
REMARK 900 RELATED ID: 1A5P   RELATED DB: PDB                                   
REMARK 900 C[40,95]A VARIANT OF BOVINE PANCREATIC RIBONUCLEASE A                
REMARK 900 RELATED ID: 1A5Q   RELATED DB: PDB                                   
REMARK 900 P93A VARIANT OF BOVINE PANCREATIC RIBONUCLEASE A                     
REMARK 900 RELATED ID: 1AFK   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF RIBONUCLEASE A IN COMPLEX WITH 5'-              
REMARK 900 DIPHOSPHOADENOSINE-3'- PHOSPHATE                                     
REMARK 900 RELATED ID: 1AFL   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A IN COMPLEX WITH 5'- DIPHOSPHOADENOSINE 2'-PHOSPHATE   
REMARK 900 AT 1.7 ANGSTROM RESOLUTION                                           
REMARK 900 RELATED ID: 1AFU   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF RIBONUCLEASE A AT 2.0 ANGSTROMS FROM MONOCLINIC         
REMARK 900 CRYSTALS                                                             
REMARK 900 RELATED ID: 1AQP   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COPPER COMPLEX                                        
REMARK 900 RELATED ID: 1B6V   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF A HYBRID BETWEEN RIBONUCLEASE A AND BOVINE      
REMARK 900 SEMINAL RIBONUCLEASE                                                 
REMARK 900 RELATED ID: 1BEL   RELATED DB: PDB                                   
REMARK 900 HYDROLASE PHOSPHORIC DIESTER, RIBONUCLEIC ACID                       
REMARK 900 RELATED ID: 1BZQ   RELATED DB: PDB                                   
REMARK 900 COMPLEX OF A DROMEDARY SINGLE-DOMAIN VHH ANTIBODY FRAGMENT WITH      
REMARK 900 RNASE A                                                              
REMARK 900 RELATED ID: 1C0B   RELATED DB: PDB                                   
REMARK 900 BOVINE PANCREATIC RIBONUCLEASE A DESICCATED FOR 2.5 DAYS             
REMARK 900 RELATED ID: 1C0C   RELATED DB: PDB                                   
REMARK 900 BOVINE PANCREATIC RIBONUCLEASE A DESICCATED FOR 4.0 DAYS             
REMARK 900 RELATED ID: 1C8W   RELATED DB: PDB                                   
REMARK 900 THR45GLY VARIANT OF RIBONUCLEASE A                                   
REMARK 900 RELATED ID: 1C9V   RELATED DB: PDB                                   
REMARK 900 H12A VARIANT OF RIBONUCLEASE A                                       
REMARK 900 RELATED ID: 1C9X   RELATED DB: PDB                                   
REMARK 900 H119A VARIANT OF RIBONUCLEASE A                                      
REMARK 900 RELATED ID: 1CJQ   RELATED DB: PDB                                   
REMARK 900 X-RAY CRYSTALLOGRAPHIC STUDIES OF THE DENATURATION OF THE            
REMARK 900 DENATURATION OF RIBONUCLEASE S.                                      
REMARK 900 RELATED ID: 1CJR   RELATED DB: PDB                                   
REMARK 900 X-RAY CRYSTALLOGRAPHIC STUDIES OF DENATURATION IN RIBONUCLEASE S     
REMARK 900 RELATED ID: 1D5D   RELATED DB: PDB                                   
REMARK 900 THE ROLE OF PHENYLALANINE 8 IN THE STABILIZATION OF THE SPROTEIN-S   
REMARK 900 PEPTIDE INTERACTION: PACKING AND CAVITIES                            
REMARK 900 RELATED ID: 1D5E   RELATED DB: PDB                                   
REMARK 900 THE ROLE OF PHENYLALANINE 8 IN THE STABILIZATION OF THE SPROTEIN-S   
REMARK 900 PEPTIDE INTERACTION: PACKING AND CAVITIES                            
REMARK 900 RELATED ID: 1D5H   RELATED DB: PDB                                   
REMARK 900 RNASE S(F8A). MUTANT RIBONUCLEASE S.                                 
REMARK 900 RELATED ID: 1DFJ   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE INHIBITOR COMPLEXED WITH RIBONUCLEASE A                 
REMARK 900 RELATED ID: 1DY5   RELATED DB: PDB                                   
REMARK 900 DEAMIDATED DERIVATIVE OF BOVINE PANCREATIC RIBONUCLEASE              
REMARK 900 RELATED ID: 1EIC   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF F120A MUTANT OF BOVINE PANCREATICRIBONUCLEASE A 
REMARK 900 RELATED ID: 1EID   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF F120G MUTANT OF BOVINE PANCREATICRIBONUCLEASE A 
REMARK 900 RELATED ID: 1EIE   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF F120W MUTANT OF BOVINE PANCREATICRIBONUCLEASE A 
REMARK 900 RELATED ID: 1EOS   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF RIBONUCLEASE A COMPLEXED WITH URIDYLYL(2', 5')  
REMARK 900 GUANOSINE (PRODUCTIVE BINDING)                                       
REMARK 900 RELATED ID: 1EOW   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF RIBONUCLEASE A COMPLEXED WITH URIDYLYL(2', 5')  
REMARK 900 GUANOSINE (NON- PRODUCTIVE BINDING)                                  
REMARK 900 RELATED ID: 1F0V   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF AN RNASE A DIMER DISPLAYING A NEW TYPE OF 3D    
REMARK 900 DOMAIN SWAPPING                                                      
REMARK 900 RELATED ID: 1FEV   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE ALA4AIB MUTATION IN RNASE S                 
REMARK 900 RELATED ID: 1FS3   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE BOVINE PANCREATICRIBONUCLEASE A       
REMARK 900 RELATED ID: 1GV7   RELATED DB: PDB                                   
REMARK 900 GUEST-HOST CROSSTALK IN AN ANGIOGENIN/RNASE A CHIMERIC PROTEIN       
REMARK 900 RELATED ID: 1IZP   RELATED DB: PDB                                   
REMARK 900 F46L MUTANT OF BOVINE PANCREATIC RIBONUCLEASE A                      
REMARK 900 RELATED ID: 1IZQ   RELATED DB: PDB                                   
REMARK 900 F46V MUTANT OF BOVINE PANCREATIC RIBONUCLEASE A                      
REMARK 900 RELATED ID: 1IZR   RELATED DB: PDB                                   
REMARK 900 F46A MUTANT OF BOVINE PANCREATIC RIBONUCLEASE A                      
REMARK 900 RELATED ID: 1J7Z   RELATED DB: PDB                                   
REMARK 900 OSMOLYTE STABILIZATION OF RIBONUCLEASE                               
REMARK 900 RELATED ID: 1J80   RELATED DB: PDB                                   
REMARK 900 OSMOLYTE STABILIZATION OF RNASE                                      
REMARK 900 RELATED ID: 1J81   RELATED DB: PDB                                   
REMARK 900 OSMOLYTE STABILIZATION OF RNASE                                      
REMARK 900 RELATED ID: 1J82   RELATED DB: PDB                                   
REMARK 900 OSMOLYTE STABILIZATION OF RNASE                                      
REMARK 900 RELATED ID: 1JN4   RELATED DB: PDB                                   
REMARK 900 THE CRYSTAL STRUCTURE OF RIBONUCLEASE A IN COMPLEX WITH 2'-          
REMARK 900 DEOXYURIDINE 3'-PYROPHOSPHATE (P'-5') ADENOSINE                      
REMARK 900 RELATED ID: 1JS0   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF 3D DOMAIN-SWAPPED RNASE A MINOR TRIMER          
REMARK 900 RELATED ID: 1JVT   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF RIBONUCLEASE A (LIGAND- FREE FORM)              
REMARK 900 RELATED ID: 1JVU   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF RIBONUCLEASE A (COMPLEXED FORM)                 
REMARK 900 RELATED ID: 1JVV   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF RIBONUCLEASE A (RETRO- SOAKED FORM)             
REMARK 900 RELATED ID: 1KF2   RELATED DB: PDB                                   
REMARK 900 ATOMIC RESOLUTION STRUCTURE OF RNASE A AT PH 5.2                     
REMARK 900 RELATED ID: 1KF3   RELATED DB: PDB                                   
REMARK 900 ATOMIC RESOLUTION STRUCTURE OF RNASE A AT PH 5.9                     
REMARK 900 RELATED ID: 1KF4   RELATED DB: PDB                                   
REMARK 900 ATOMIC RESOLUTION STRUCTURE OF RNASE A AT PH 6.3                     
REMARK 900 RELATED ID: 1KF5   RELATED DB: PDB                                   
REMARK 900 ATOMIC RESOLUTION STRUCTURE OF RNASE A AT PH 7.1                     
REMARK 900 RELATED ID: 1KF7   RELATED DB: PDB                                   
REMARK 900 ATOMIC RESOLUTION STRUCTURE OF RNASE A AT PH 8.0                     
REMARK 900 RELATED ID: 1KF8   RELATED DB: PDB                                   
REMARK 900 ATOMIC RESOLUTION STRUCTURE OF RNASE A AT PH 8.8                     
REMARK 900 RELATED ID: 1KH8   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF A CIS-PROLINE (P114) TO GLYCINE VARIANT OFRIBONUCLEASE  
REMARK 900 A                                                                    
REMARK 900 RELATED ID: 1LSQ   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A WITH ASN 67 REPLACED BY A BETA-ASPARTYL RESIDUE       
REMARK 900 RELATED ID: 1O0F   RELATED DB: PDB                                   
REMARK 900 RNASE A IN COMPLEX WITH 3',5'-ADP                                    
REMARK 900 RELATED ID: 1O0H   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A IN COMPLEX WITH 5'-ADP                                
REMARK 900 RELATED ID: 1O0M   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A IN COMPLEX WITH URIDINE-2'- PHOSPHATE                 
REMARK 900 RELATED ID: 1O0N   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A IN COMPLEX WITH URIDINE-3'- PHOSPHATE                 
REMARK 900 RELATED ID: 1O0O   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A IN COMPLEX WITH ADENOSINE-2 ',5'-DIPHOSPHATE          
REMARK 900 RELATED ID: 1QHC   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF RIBONUCLEASE A IN COMPLEX WITH 5'- PHOSPHO-2'-  
REMARK 900 DEOXYURIDINE-3 '-PYROPHOSPHATE ADENOSINE-3'- PHOSPHATE               
REMARK 900 RELATED ID: 1RAR   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A FLUORESCENT DERIVATIVE [RNASE 1 -124 (AENS-HIS -12)]  
REMARK 900 FROM NACL CRYSTAL                                                    
REMARK 900 RELATED ID: 1RAS   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A FLUORESCENT DERIVATIVE [RNASE 1 -124 (AENS-HIS-12)]   
REMARK 900 FROM AMMONIUM SULFATE CRYSTAL                                        
REMARK 900 RELATED ID: 1RAT   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A AT 98K                                                
REMARK 900 RELATED ID: 1RBB   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE B                                                       
REMARK 900 RELATED ID: 1RBC   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S MUTANT WITH MET 13 REPLACED BY ALA (M13A)             
REMARK 900 RELATED ID: 1RBD   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S MUTANT WITH MET 13 REPLACED BY ALPHA-AMINO-NORMAL-    
REMARK 900 BUTYRIC ACID (M13ABA)                                                
REMARK 900 RELATED ID: 1RBE   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S MUTANT WITH MET 13 REPLACED BY PHE (M13F)             
REMARK 900 RELATED ID: 1RBF   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S MUTANT WITH MET 13 REPLACED BY GLY (M13G)             
REMARK 900 RELATED ID: 1RBG   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S MUTANT WITH MET 13 REPLACED BY ILE (M13I)             
REMARK 900 RELATED ID: 1RBH   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S MUTANT WITH MET 13 REPLACED BY LEU (M13L)             
REMARK 900 RELATED ID: 1RBI   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S MUTANT WITH MET 13 REPLACED BY VAL (M13V)             
REMARK 900 RELATED ID: 1RBJ   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE B COMPLEX WITH D(TETRA-(DEOXY- ADENYLATE))              
REMARK 900 RELATED ID: 1RBN   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A DERIVATIVE II COMPLEXED WITH 6-CHLOROPURINE RIBOSIDE  
REMARK 900 5'-MONOPHOSPHATE                                                     
REMARK 900 RELATED ID: 1RBW   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A WITH GUANIDINIUM                                      
REMARK 900 RELATED ID: 1RBX   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A CONTROL                                               
REMARK 900 RELATED ID: 1RCA   RELATED DB: PDB                                   
REMARK 900 MOL_ID: 1; MOLECULE: RIBONUCLEASE A; CHAIN: NULL; SYNONYM: RNASE A;  
REMARK 900 EC: 3.1.27.5; HETEROGEN: DEOXYCYTIDYLYL-3',5'-GUANOSINE (3 ',5'-     
REMARK 900 DCPDG); OTHER_DETAILS: CO-CRYSTALLIZED COMPLEX                       
REMARK 900 RELATED ID: 1RCN   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEXED WITH DEOXYRIBONUCLEIC ACID (5'-D(APTPAPAP)- 
REMARK 900 3')                                                                  
REMARK 900 RELATED ID: 1RHA   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (LOW HUMIDITY FORM: RELATIVE HUMIDITY 79 %)           
REMARK 900 RELATED ID: 1RHB   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (LOW HUMIDITY FORM: RELATIVE HUMIDITY 88 %)           
REMARK 900 RELATED ID: 1RNC   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEX WITH CYTIDYLYL-2',5 '-GUANOSINE (2',5'-CPG)   
REMARK 900 RELATED ID: 1RND   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEX WITH DEOXYCYTIDYLYL-3 ',5'-GUANOSINE (3',5'-  
REMARK 900 DCPDG)                                                               
REMARK 900 RELATED ID: 1RNM   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEX WITH CYTIDYLIC ACID ( 5'CMP) CRYSTALLIZED     
REMARK 900 FROM 80% AMMONIUM SULPHATE                                           
REMARK 900 RELATED ID: 1RNN   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEX WITH CYTIDYLIC ACID ( 5'CMP) CRYSTALLIZED     
REMARK 900 FROM 8M SODIUM FORMATE                                               
REMARK 900 RELATED ID: 1RNO   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A CRYSTALLIZED FROM 80% AMMONIUM SULPHATE               
REMARK 900 RELATED ID: 1RNQ   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A CRYSTALLIZED FROM 8M SODIUM FORMATE                   
REMARK 900 RELATED ID: 1RNU   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S (PH 5.5)                                              
REMARK 900 RELATED ID: 1RNV   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S (PH 4.75)                                             
REMARK 900 RELATED ID: 1RNW   RELATED DB: PDB                                   
REMARK 900 RECOMBINANT RIBONUCLEASE A CRYSTALLIZED FROM 80% AMMONIUM SULPHATE   
REMARK 900 RELATED ID: 1RNX   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A CRYSTALLIZED FROM 3M SODIUM CHLORIDE, 30% AMMONIUM    
REMARK 900 SULFATE                                                              
REMARK 900 RELATED ID: 1RNY   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A CRYSTALLIZED FROM 3M CESIUM CHLORIDE, 30% AMMONIUM    
REMARK 900 SULFATE                                                              
REMARK 900 RELATED ID: 1RNZ   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A CRYSTALLIZED FROM 2.5M SODIUM CHLORIDE, 3.3M SODIUM   
REMARK 900 FORMATE                                                              
REMARK 900 RELATED ID: 1ROB   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEXED WITH CYTIDYLIC ACID                         
REMARK 900 RELATED ID: 1RPF   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEXED WITH CYTIDINE-3'- MONOPHOSPHATE (RNASE A/3' 
REMARK 900 -CMP)                                                                
REMARK 900 RELATED ID: 1RPG   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEXED WITH DEOXYCYTIDYL-3 ',5'-DEOXYADENOSINE     
REMARK 900 (RNASE A/D(CPA)                                                      
REMARK 900 RELATED ID: 1RPH   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A                                                       
REMARK 900 RELATED ID: 1RSM   RELATED DB: PDB                                   
REMARK 900 LYS-7-(DINITROPHENYLENE)-LYS-41 CROSS-LINKED RIBONUCLEASE A          
REMARK 900 RELATED ID: 1RTA   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEX WITH THYMIDYLIC ACID TETRAMER                 
REMARK 900 RELATED ID: 1RTB   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (RNASE A)                                             
REMARK 900 RELATED ID: 1RUV   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A-URIDINE VANADATE COMPLEX: HIGH RESOLUTION RESOLUTION  
REMARK 900 X-RAY STRUCTURE (1.3 A)                                              
REMARK 900 RELATED ID: 1SRN   RELATED DB: PDB                                   
REMARK 900 SEMISYNTHETIC RIBONUCLEASE A (RNASE 1-118( COLON)111-124)            
REMARK 900 RELATED ID: 1SSA   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (RESIDUES 1 - 118) COMPLEXED WITH SYNTHETIC           
REMARK 900 RIBONUCLEASE A (RESIDUES 111 - 124, PHE 120 REPLACED BY LEU (F120L)) 
REMARK 900 RELATED ID: 1SSB   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (RESIDUES 1 - 118) COMPLEXED WITH SYNTHETIC           
REMARK 900 RIBONUCLEASE A (RESIDUES 111 - 124, PHE 120 REPLACED BY TYR (F120Y)) 
REMARK 900 RELATED ID: 1SSC   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (SEMISYNTHETIC) CRYSTALLIZED FROM AQUEOUS ETHANOL     
REMARK 900 [RNASE 1-118:111-124]                                                
REMARK 900 RELATED ID: 1UN5   RELATED DB: PDB                                   
REMARK 900 ARH-II, AN ANGIOGENIN/RNASE A CHIMERA                                
REMARK 900 RELATED ID: 1W4O   RELATED DB: PDB                                   
REMARK 900 BINDING OF NONNATURAL 3'-NUCLEOTIDES TO RIBONUCLEASE A               
REMARK 900 RELATED ID: 1W4Q   RELATED DB: PDB                                   
REMARK 900 BINDING OF NONNATURAL 3'-NUCLEOTIDES TO RIBONUCLEASE A               
REMARK 900 RELATED ID: 1XPS   RELATED DB: PDB                                   
REMARK 900 BOVINE RIBONUCLEASE A (PHOSPHATE-FREE) (93 % HUMIDITY)               
REMARK 900 RELATED ID: 1XPT   RELATED DB: PDB                                   
REMARK 900 BOVINE RIBONUCLEASE A (PHOSPHATE-FREE)                               
REMARK 900 RELATED ID: 2AAS   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (NMR, 32 STRUCTURES)                                  
REMARK 900 RELATED ID: 2RAT   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A AT 130K                                               
REMARK 900 RELATED ID: 2RLN   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S MUTANT WITH MET S 13 REPLACED BY NORLEUCINE (M(S 13)  
REMARK 900 NLE)                                                                 
REMARK 900 RELATED ID: 2RNS   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE S (PH 4.75)                                             
REMARK 900 RELATED ID: 3RAT   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A AT 160K                                               
REMARK 900 RELATED ID: 3RN3   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A                                                       
REMARK 900 RELATED ID: 3RSD   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE D121N VARIANT OF RIBONUCLEASE A                     
REMARK 900 RELATED ID: 3RSK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE K7A/R10A/K66A VARIANT OF RIBONUCLEASE A             
REMARK 900 RELATED ID: 3RSP   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE P93G VARIANT OF RIBONUCLEASE A                      
REMARK 900 RELATED ID: 3SRN   RELATED DB: PDB                                   
REMARK 900 SEMISYNTHETIC RIBONUCLEASE A MUTANT WITH ASP 121 REPLACED BY ASN     
REMARK 900 (D121N) (RNASE 1-118: 111-124 (D121N))                               
REMARK 900 RELATED ID: 4RAT   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A AT 180K                                               
REMARK 900 RELATED ID: 4RSD   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE D121A VARIANT OF RIBONUCLEASE A                     
REMARK 900 RELATED ID: 4RSK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE K7A/R10A/K66A VARIANT OF RIBONUCLEASE A COMPLEXED   
REMARK 900 WITH 3'-UMP                                                          
REMARK 900 RELATED ID: 4SRN   RELATED DB: PDB                                   
REMARK 900 SEMISYNTHETIC RIBONUCLEASE A MUTANT WITH ASP 121 REPLACED BY ALA     
REMARK 900 (D121A) (RNASE 1-118: 111-124 (D121A))                               
REMARK 900 RELATED ID: 5RAT   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A AT 220K                                               
REMARK 900 RELATED ID: 5RSA   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (JOINT NEUTRON AND X-RAY)                             
REMARK 900 RELATED ID: 6RAT   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A AT 240K                                               
REMARK 900 RELATED ID: 6RSA   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A COMPLEX WITH URIDINE VANADATE (JOINT NEUTRON AND X-   
REMARK 900 RAY)                                                                 
REMARK 900 RELATED ID: 7RAT   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A AT 260K                                               
REMARK 900 RELATED ID: 7RSA   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (PHOSPHATE-FREE)                                      
REMARK 900 RELATED ID: 8RAT   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A AT 300K                                               
REMARK 900 RELATED ID: 8RSA   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (PHOSPHATE-FREE) COMPLEX WITH NE2.12-N-ACETYL         
REMARK 900 DEOXYTHYMIDINE                                                       
REMARK 900 RELATED ID: 9RAT   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A AT 320K                                               
REMARK 900 RELATED ID: 9RSA   RELATED DB: PDB                                   
REMARK 900 RIBONUCLEASE A (PHOSPHATE-FREE) COMPLEX WITH ND1.119-N-ACETYL        
REMARK 900 DEOXYURIDINE                                                         
DBREF  1W4P A    1   124  UNP    P61823   RNP_BOVIN       27    150             
DBREF  1W4P B    1   124  UNP    P61823   RNP_BOVIN       27    150             
SEQRES   1 A  124  LYS GLU THR ALA ALA ALA LYS PHE GLU ARG GLN HIS MET          
SEQRES   2 A  124  ASP SER SER THR SER ALA ALA SER SER SER ASN TYR CYS          
SEQRES   3 A  124  ASN GLN MET MET LYS SER ARG ASN LEU THR LYS ASP ARG          
SEQRES   4 A  124  CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA          
SEQRES   5 A  124  ASP VAL GLN ALA VAL CYS SER GLN LYS ASN VAL ALA CYS          
SEQRES   6 A  124  LYS ASN GLY GLN THR ASN CYS TYR GLN SER TYR SER THR          
SEQRES   7 A  124  MET SER ILE THR ASP CYS ARG GLU THR GLY SER SER LYS          
SEQRES   8 A  124  TYR PRO ASN CYS ALA TYR LYS THR THR GLN ALA ASN LYS          
SEQRES   9 A  124  HIS ILE ILE VAL ALA CYS GLU GLY ASN PRO TYR VAL PRO          
SEQRES  10 A  124  VAL HIS PHE ASP ALA SER VAL                                  
SEQRES   1 B  124  LYS GLU THR ALA ALA ALA LYS PHE GLU ARG GLN HIS MET          
SEQRES   2 B  124  ASP SER SER THR SER ALA ALA SER SER SER ASN TYR CYS          
SEQRES   3 B  124  ASN GLN MET MET LYS SER ARG ASN LEU THR LYS ASP ARG          
SEQRES   4 B  124  CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA          
SEQRES   5 B  124  ASP VAL GLN ALA VAL CYS SER GLN LYS ASN VAL ALA CYS          
SEQRES   6 B  124  LYS ASN GLY GLN THR ASN CYS TYR GLN SER TYR SER THR          
SEQRES   7 B  124  MET SER ILE THR ASP CYS ARG GLU THR GLY SER SER LYS          
SEQRES   8 B  124  TYR PRO ASN CYS ALA TYR LYS THR THR GLN ALA ASN LYS          
SEQRES   9 B  124  HIS ILE ILE VAL ALA CYS GLU GLY ASN PRO TYR VAL PRO          
SEQRES  10 B  124  VAL HIS PHE ASP ALA SER VAL                                  
HET    UM3  A1125      20                                                       
HET    UM3  B1125      20                                                       
HETNAM     UM3 2'-DEOXYURIDINE 3'-MONOPHOSPHATE                                 
FORMUL   3  UM3    2(C9 H13 N2 O8 P)                                            
FORMUL   5  HOH   *290(H2 O)                                                    
HELIX    1   1 THR A    3  MET A   13  1                                  11    
HELIX    2   2 ASN A   24  ARG A   33  1                                  10    
HELIX    3   3 SER A   50  ALA A   56  1                                   7    
HELIX    4   4 VAL A   57  GLN A   60  5                                   4    
HELIX    5   5 THR B    3  MET B   13  1                                  11    
HELIX    6   6 ASN B   24  ARG B   33  1                                  10    
HELIX    7   7 SER B   50  ALA B   56  1                                   7    
HELIX    8   8 VAL B   57  GLN B   60  5                                   4    
SHEET    1  AA 5 VAL A  43  VAL A  47  0                                        
SHEET    2  AA 5 MET A  79  GLU A  86 -1  O  THR A  82   N  PHE A  46           
SHEET    3  AA 5 TYR A  97  GLU A 111 -1  O  LYS A  98   N  ARG A  85           
SHEET    4  AA 5 CYS A  72  GLN A  74 -1  O  TYR A  73   N  VAL A 108           
SHEET    5  AA 5 LYS A  61  VAL A  63 -1  O  LYS A  61   N  GLN A  74           
SHEET    1  AB 4 VAL A  43  VAL A  47  0                                        
SHEET    2  AB 4 MET A  79  GLU A  86 -1  O  THR A  82   N  PHE A  46           
SHEET    3  AB 4 TYR A  97  GLU A 111 -1  O  LYS A  98   N  ARG A  85           
SHEET    4  AB 4 VAL A 116  VAL A 124 -1  O  VAL A 116   N  GLU A 111           
SHEET    1  BA 5 VAL B  43  VAL B  47  0                                        
SHEET    2  BA 5 MET B  79  GLU B  86 -1  O  THR B  82   N  PHE B  46           
SHEET    3  BA 5 TYR B  97  GLU B 111 -1  O  LYS B  98   N  ARG B  85           
SHEET    4  BA 5 CYS B  72  GLN B  74 -1  O  TYR B  73   N  VAL B 108           
SHEET    5  BA 5 LYS B  61  VAL B  63 -1  O  LYS B  61   N  GLN B  74           
SHEET    1  BB 4 VAL B  43  VAL B  47  0                                        
SHEET    2  BB 4 MET B  79  GLU B  86 -1  O  THR B  82   N  PHE B  46           
SHEET    3  BB 4 TYR B  97  GLU B 111 -1  O  LYS B  98   N  ARG B  85           
SHEET    4  BB 4 VAL B 116  VAL B 124 -1  O  VAL B 116   N  GLU B 111           
SSBOND   1 CYS A   26    CYS A   84                          1555   1555  2.03  
SSBOND   2 CYS A   40    CYS A   95                          1555   1555  2.03  
SSBOND   3 CYS A   58    CYS A  110                          1555   1555  2.03  
SSBOND   4 CYS A   65    CYS A   72                          1555   1555  2.03  
SSBOND   5 CYS B   26    CYS B   84                          1555   1555  2.03  
SSBOND   6 CYS B   40    CYS B   95                          1555   1555  2.03  
SSBOND   7 CYS B   58    CYS B  110                          1555   1555  2.03  
SSBOND   8 CYS B   65    CYS B   72                          1555   1555  2.03  
CISPEP   1 TYR A   92    PRO A   93          0         0.25                     
CISPEP   2 ASN A  113    PRO A  114          0         0.40                     
CISPEP   3 TYR B   92    PRO B   93          0         0.05                     
CISPEP   4 ASN B  113    PRO B  114          0         0.08                     
SITE     1 AC1 12 GLN A  11  HIS A  12  LYS A  41  VAL A  43                    
SITE     2 AC1 12 ASN A  44  THR A  45  HIS A 119  PHE A 120                    
SITE     3 AC1 12 HOH A2023  HOH A2065  HOH A2136  HOH A2141                    
SITE     1 AC2 12 GLN B  11  HIS B  12  LYS B  41  ASN B  44                    
SITE     2 AC2 12 THR B  45  LYS B  66  HIS B 119  PHE B 120                    
SITE     3 AC2 12 HOH B2117  HOH B2145  HOH B2148  HOH B2149                    
CRYST1  100.451   32.942   73.094  90.00  90.02  90.00 C 1 2 1       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.009955  0.000000  0.000003        0.00000                         
SCALE2      0.000000  0.030356  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013681        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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