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Database: PDB
Entry: 1QAH
LinkDB: 1QAH
Original site: 1QAH 
HEADER    ALPHA-BETA STRUCTURE                    12-MAR-99   1QAH              
TITLE     CRYSTAL STRUCTURE OF PERCHLORIC ACID SOLUBLE PROTEIN-A TRANSLATIONAL  
TITLE    2 INHIBITOR                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PERCHLORIC ACID SOLUBLE PROTEIN;                           
COMPND   3 CHAIN: A, B                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 ORGAN: LIVER, KIDNEY                                                 
KEYWDS    ALPHA-BETA STRUCTURE                                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.DJINOVIC CARUGO,T.OKA                                               
REVDAT   5   14-FEB-24 1QAH    1       REMARK                                   
REVDAT   4   28-JUL-21 1QAH    1       REMARK                                   
REVDAT   3   13-JUL-11 1QAH    1       VERSN                                    
REVDAT   2   24-FEB-09 1QAH    1       VERSN                                    
REVDAT   1   09-MAR-04 1QAH    0                                                
JRNL        AUTH   K.DJINOVIC CARUGO,T.OKA                                      
JRNL        TITL   CRYSTAL STRUCTURE OF PERCHLORIC ACID SOLUBLE PROTEIN-A       
JRNL        TITL 2 TRANSLATIONAL INHIBITOR                                      
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 22116                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : FREE R-VALUE                    
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.191                           
REMARK   3   FREE R VALUE                     : 0.276                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1134                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1946                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 379                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.015 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : 0.037 ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
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  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1QAH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-MAR-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009305.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-OCT-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM14                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9183                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22619                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 63.200                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.8                               
REMARK 200  DATA REDUNDANCY                : 3.340                              
REMARK 200  R MERGE                    (I) : 0.03100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 34.1400                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.83                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.93                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.27700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.04                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION, HANGING DROP, PH 4.5,   
REMARK 280  293K, PEG 8000, SODIUM ACETATE, AMMONIUM SULPHATE                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 3                           
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       5555   Z,X,Y                                                   
REMARK 290       6555   Z+1/2,-X+1/2,-Y                                         
REMARK 290       7555   -Z+1/2,-X,Y+1/2                                         
REMARK 290       8555   -Z,X+1/2,-Y+1/2                                         
REMARK 290       9555   Y,Z,X                                                   
REMARK 290      10555   -Y,Z+1/2,-X+1/2                                         
REMARK 290      11555   Y+1/2,-Z+1/2,-X                                         
REMARK 290      12555   -Y+1/2,-Z,X+1/2                                         
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       44.87150            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       44.87150            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       44.87150            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       44.87150            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       44.87150            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       44.87150            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY2   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   6  0.000000  0.000000  1.000000       44.87150            
REMARK 290   SMTRY2   6 -1.000000  0.000000  0.000000       44.87150            
REMARK 290   SMTRY3   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  0.000000 -1.000000       44.87150            
REMARK 290   SMTRY2   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  1.000000  0.000000       44.87150            
REMARK 290   SMTRY1   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   8  1.000000  0.000000  0.000000       44.87150            
REMARK 290   SMTRY3   8  0.000000 -1.000000  0.000000       44.87150            
REMARK 290   SMTRY1   9  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   9  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY3   9  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000  0.000000  1.000000       44.87150            
REMARK 290   SMTRY3  10 -1.000000  0.000000  0.000000       44.87150            
REMARK 290   SMTRY1  11  0.000000  1.000000  0.000000       44.87150            
REMARK 290   SMTRY2  11  0.000000  0.000000 -1.000000       44.87150            
REMARK 290   SMTRY3  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  12  0.000000 -1.000000  0.000000       44.87150            
REMARK 290   SMTRY2  12  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  12  1.000000  0.000000  0.000000       44.87150            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 6680 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 14680 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -38.0 KCAL/MOL                        
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 350   BIOMT1   2  0.000000  0.000000  1.000000      -44.87150            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000       44.87150            
REMARK 350   BIOMT3   2  0.000000 -1.000000  0.000000       89.74300            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000       44.87150            
REMARK 350   BIOMT2   3  0.000000  0.000000 -1.000000       89.74300            
REMARK 350   BIOMT3   3  1.000000  0.000000  0.000000       44.87150            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 6600 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 15080 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -28.0 KCAL/MOL                        
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   BIOMT1   2  0.000000  0.000000 -1.000000       44.87150            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  1.000000  0.000000       44.87150            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   3  0.000000  0.000000  1.000000      -44.87150            
REMARK 350   BIOMT3   3 -1.000000  0.000000  0.000000       44.87150            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 322  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 323  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 324  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 325  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 327  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 311  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 312  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 313  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     THR A   133                                                      
REMARK 465     ALA A   134                                                      
REMARK 465     GLY A   135                                                      
REMARK 465     LEU A   136                                                      
REMARK 465     THR B   133                                                      
REMARK 465     ALA B   134                                                      
REMARK 465     GLY B   135                                                      
REMARK 465     LEU B   136                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLY A 129   CA    GLY A 129   C      -0.114                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    SER A   1   CA  -  C   -  O   ANGL. DEV. = -13.3 DEGREES          
REMARK 500    SER A   1   CA  -  C   -  N   ANGL. DEV. =  14.2 DEGREES          
REMARK 500    ARG A   5   N   -  CA  -  CB  ANGL. DEV. =  11.4 DEGREES          
REMARK 500    ARG A   5   CA  -  CB  -  CG  ANGL. DEV. =  23.9 DEGREES          
REMARK 500    ASP A  27   CB  -  CG  -  OD1 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ARG A  28   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500    TYR A  31   CB  -  CG  -  CD2 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500    GLU A  52   OE1 -  CD  -  OE2 ANGL. DEV. =  -7.9 DEGREES          
REMARK 500    PHE A  72   CB  -  CG  -  CD2 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    PHE A  72   CB  -  CG  -  CD1 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500    TYR A 109   CB  -  CG  -  CD1 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    TYR A 109   CG  -  CD1 -  CE1 ANGL. DEV. = -14.8 DEGREES          
REMARK 500    TYR A 109   CD1 -  CE1 -  CZ  ANGL. DEV. =  22.9 DEGREES          
REMARK 500    TYR A 109   CE1 -  CZ  -  CE2 ANGL. DEV. = -12.3 DEGREES          
REMARK 500    ARG A 119   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    GLU A 121   OE1 -  CD  -  OE2 ANGL. DEV. =  -7.8 DEGREES          
REMARK 500    GLY A 129   N   -  CA  -  C   ANGL. DEV. =  46.3 DEGREES          
REMARK 500    PRO A 130   N   -  CA  -  C   ANGL. DEV. = -18.9 DEGREES          
REMARK 500    ARG B   5   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    ARG B  28   CD  -  NE  -  CZ  ANGL. DEV. =   9.7 DEGREES          
REMARK 500    ARG B  28   NE  -  CZ  -  NH1 ANGL. DEV. =   5.2 DEGREES          
REMARK 500    ARG B  28   NE  -  CZ  -  NH2 ANGL. DEV. =  -9.0 DEGREES          
REMARK 500    TYR B  95   CB  -  CG  -  CD2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    TYR B 109   CB  -  CG  -  CD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    TYR B 109   CB  -  CG  -  CD1 ANGL. DEV. =   5.4 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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  27     -103.29     60.80                                   
REMARK 500    ASN A 102       99.25    -62.88                                   
REMARK 500    ILE B  17      106.72    -48.33                                   
REMARK 500    ALA B  19     -175.26    -65.09                                   
REMARK 500    TYR B  20      149.48     58.28                                   
REMARK 500    ASP B  27     -108.76     65.45                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    ALA A 108         12.03                                           
REMARK 500    LEU B  58        -10.36                                           
REMARK 500    GLN B 128        -13.65                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1QAH A    1   136  UNP    P52759   UK14_RAT         1    136             
DBREF  1QAH B    1   136  UNP    P52759   UK14_RAT         1    136             
SEQRES   1 A  136  SER SER ILE ILE ARG LYS VAL ILE SER THR SER LYS ALA          
SEQRES   2 A  136  PRO ALA ALA ILE GLY ALA TYR SER GLN ALA VAL LEU VAL          
SEQRES   3 A  136  ASP ARG THR ILE TYR VAL SER GLY GLN ILE GLY MET ASP          
SEQRES   4 A  136  PRO SER SER GLY GLN LEU VAL PRO GLY GLY VAL ALA GLU          
SEQRES   5 A  136  GLU ALA LYS GLN ALA LEU LYS ASN LEU GLY GLU ILE LEU          
SEQRES   6 A  136  LYS ALA ALA GLY CYS ASP PHE THR ASN VAL VAL LYS THR          
SEQRES   7 A  136  THR VAL LEU LEU ALA ASP ILE ASN ASP PHE GLY THR VAL          
SEQRES   8 A  136  ASN GLU ILE TYR LYS THR TYR PHE GLN GLY ASN LEU PRO          
SEQRES   9 A  136  ALA ARG ALA ALA TYR GLN VAL ALA ALA LEU PRO LYS GLY          
SEQRES  10 A  136  SER ARG ILE GLU ILE GLU ALA ILE ALA VAL GLN GLY PRO          
SEQRES  11 A  136  PHE THR THR ALA GLY LEU                                      
SEQRES   1 B  136  SER SER ILE ILE ARG LYS VAL ILE SER THR SER LYS ALA          
SEQRES   2 B  136  PRO ALA ALA ILE GLY ALA TYR SER GLN ALA VAL LEU VAL          
SEQRES   3 B  136  ASP ARG THR ILE TYR VAL SER GLY GLN ILE GLY MET ASP          
SEQRES   4 B  136  PRO SER SER GLY GLN LEU VAL PRO GLY GLY VAL ALA GLU          
SEQRES   5 B  136  GLU ALA LYS GLN ALA LEU LYS ASN LEU GLY GLU ILE LEU          
SEQRES   6 B  136  LYS ALA ALA GLY CYS ASP PHE THR ASN VAL VAL LYS THR          
SEQRES   7 B  136  THR VAL LEU LEU ALA ASP ILE ASN ASP PHE GLY THR VAL          
SEQRES   8 B  136  ASN GLU ILE TYR LYS THR TYR PHE GLN GLY ASN LEU PRO          
SEQRES   9 B  136  ALA ARG ALA ALA TYR GLN VAL ALA ALA LEU PRO LYS GLY          
SEQRES  10 B  136  SER ARG ILE GLU ILE GLU ALA ILE ALA VAL GLN GLY PRO          
SEQRES  11 B  136  PHE THR THR ALA GLY LEU                                      
FORMUL   3  HOH   *379(H2 O)                                                    
HELIX    1   1 VAL A   50  ALA A   67  1                                  18    
HELIX    2   2 PHE A   72  ASN A   74  5                                   3    
HELIX    3   3 ILE A   85  ASP A   87  5                                   3    
HELIX    4   4 PHE A   88  LYS A   96  1                                   9    
HELIX    5   5 PRO A  115  GLY A  117  5                                   3    
HELIX    6   6 VAL B   50  ALA B   67  1                                  18    
HELIX    7   7 PHE B   72  ASN B   74  5                                   3    
HELIX    8   8 ILE B   85  ASP B   87  5                                   3    
HELIX    9   9 PHE B   88  LYS B   96  1                                   9    
HELIX   10  10 PRO B  115  GLY B  117  5                                   3    
SHEET    1   A 6 ARG A   5  ILE A   8  0                                        
SHEET    2   A 6 ALA A  23  VAL A  26 -1  O  LEU A  25   N  LYS A   6           
SHEET    3   A 6 THR A  29  GLN A  35 -1  O  THR A  29   N  VAL A  26           
SHEET    4   A 6 ILE A 120  VAL A 127 -1  O  ALA A 126   N  ILE A  30           
SHEET    5   A 6 VAL A  75  LEU A  82 -1  N  LEU A  81   O  GLU A 121           
SHEET    6   A 6 ALA A 105  GLN A 110  1  O  ALA A 107   N  VAL A  80           
SHEET    1   B 6 ARG B   5  ILE B   8  0                                        
SHEET    2   B 6 ALA B  23  VAL B  26 -1  O  LEU B  25   N  LYS B   6           
SHEET    3   B 6 THR B  29  ILE B  36 -1  O  THR B  29   N  VAL B  26           
SHEET    4   B 6 ILE B 120  VAL B 127 -1  O  ALA B 126   N  ILE B  30           
SHEET    5   B 6 VAL B  75  LEU B  82 -1  N  LEU B  81   O  GLU B 121           
SHEET    6   B 6 ALA B 105  GLN B 110  1  O  ALA B 107   N  VAL B  80           
CRYST1   89.743   89.743   89.743  90.00  90.00  90.00 P 21 3       24          
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      0.011140  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011140  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011140        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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