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Database: PDB
Entry: 1ML4
LinkDB: 1ML4
Original site: 1ML4 
HEADER    TRANSFERASE                             30-AUG-02   1ML4              
TITLE     THE PALA-LIGANDED ASPARTATE TRANSCARBAMOYLASE CATALYTIC SUBUNIT FROM  
TITLE    2 PYROCOCCUS ABYSSI                                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ASPARTATE TRANSCARBAMOYLASE;                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: ASPARTATE CARBAMOYLTRANSFERASE;                             
COMPND   5 EC: 2.1.3.2;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PYROCOCCUS ABYSSI;                              
SOURCE   3 ORGANISM_TAXID: 29292;                                               
SOURCE   4 GENE: PYRB;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: C600ATC-;                                  
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PTRC99A                                   
KEYWDS    BETA PLEATED SHEET, PROTEIN INHIBITOR COMPLEX, TRANSFERASE            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.VAN BOXSTAEL,R.CUNIN,D.MAES                                         
REVDAT   4   25-OCT-23 1ML4    1       REMARK                                   
REVDAT   3   13-JUL-11 1ML4    1       VERSN                                    
REVDAT   2   24-FEB-09 1ML4    1       VERSN                                    
REVDAT   1   25-FEB-03 1ML4    0                                                
JRNL        AUTH   S.VAN BOXSTAEL,R.CUNIN,S.KHAN,D.MAES                         
JRNL        TITL   ASPARTATE TRANSCARBAMYLASE FROM THE HYPERTHERMOPHILIC        
JRNL        TITL 2 ARCHAEON PYROCOCCUS ABYSSI: THERMOSTABILITY AND 1.8A         
JRNL        TITL 3 RESOLUTION CRYSTAL STRUCTURE OF THE CATALYTIC SUBUNIT        
JRNL        TITL 4 COMPLEXED WITH THE BISUBSTRATE ANALOGUE                      
JRNL        TITL 5 N-PHOSPHONACETYL-L-ASPARTATE.                                
JRNL        REF    J.MOL.BIOL.                   V. 326   203 2003              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12547202                                                     
JRNL        DOI    10.1016/S0022-2836(02)01228-7                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 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 : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 88.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 28560                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : RFREE                           
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.172                           
REMARK   3   FREE R VALUE                     : 0.212                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 2651                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.86                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2924                       
REMARK   3   BIN FREE R VALUE                    : 0.2816                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 251                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2450                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 16                                      
REMARK   3   SOLVENT ATOMS            : 77                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 20.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 27.45                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -4.63900                                             
REMARK   3    B22 (A**2) : -4.63900                                             
REMARK   3    B33 (A**2) : 9.27900                                              
REMARK   3    B12 (A**2) : -3.45000                                             
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) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.290                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.770                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.096 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.784 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.741 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.556 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: CNS VERSION FOR HEMIHEDRAL TWINNED DATA   
REMARK   4                                                                      
REMARK   4 1ML4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-SEP-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000016996.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-SEP-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : BW7B                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.84                               
REMARK 200  MONOCHROMATOR                  : TRIANGULAR MONOCHROMATOR           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 345 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29667                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.1                               
REMARK 200  DATA REDUNDANCY                : 2.380                              
REMARK 200  R MERGE                    (I) : 0.10000                            
REMARK 200  R SYM                      (I) : 0.10000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.6900                            
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) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.33000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.33000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.910                              
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 1EKX                                             
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.87                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CITRIC ACID, PH 6.8, VAPOR DIFFUSION,    
REMARK 280  HANGING DROP, TEMPERATURE 292K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,Z+2/3                                   
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       40.54750            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       23.41011            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       47.31967            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       40.54750            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       23.41011            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       47.31967            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       40.54750            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       23.41011            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       47.31967            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       46.82022            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       94.63933            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       46.82022            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       94.63933            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       46.82022            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       94.63933            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TRIMER GENERATED BY THE         
REMARK 300 OPERATIONS : -Y,X-Y,Z AND -X+Y,-X,Z                                  
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: TRIMERIC                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
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   BIOMT1   2 -0.500000 -0.866025  0.000000       40.54750            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000       70.23033            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000      -40.54750            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000       70.23033            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
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 401  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 404  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     MET A     1                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ASP A    2   N                                                   
REMARK 480     ARG A   12   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS A   34   NZ                                                  
REMARK 480     LYS A   43   CE   NZ                                             
REMARK 480     ARG A  193   CG                                                  
REMARK 480     ARG A  196   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     GLU A  204   CB   CG   OE1  OE2                                  
REMARK 480     LYS A  221   CG   CD   CE   NZ                                   
REMARK 480     ARG A  288   CG   CD   NE   NH1  NH2                             
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    GLN A  38      112.82   -178.89                                   
REMARK 500    ASN A 133      -85.78    -76.63                                   
REMARK 500    HIS A 135       69.62   -154.32                                   
REMARK 500    ILE A 153      -77.57    -67.43                                   
REMARK 500    GLN A 231       61.33    -67.51                                   
REMARK 500    TYR A 248      145.69    176.32                                   
REMARK 500    LYS A 257       31.23    -95.69                                   
REMARK 500    LEU A 268      160.14     69.38                                   
REMARK 500    VAL A 271      -71.69    -98.19                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PAL A 385                 
DBREF  1ML4 A    1   308  UNP    P77918   PYRB_PYRAB       1    308             
SEQRES   1 A  308  MET ASP TRP LYS GLY ARG ASP VAL ILE SER ILE ARG ASP          
SEQRES   2 A  308  PHE SER LYS GLU ASP ILE GLU THR VAL LEU ALA THR ALA          
SEQRES   3 A  308  GLU ARG LEU GLU ARG GLU LEU LYS GLU LYS GLY GLN LEU          
SEQRES   4 A  308  GLU TYR ALA LYS GLY LYS ILE LEU ALA THR LEU PHE PHE          
SEQRES   5 A  308  GLU PRO SER THR ARG THR ARG LEU SER PHE GLU SER ALA          
SEQRES   6 A  308  MET HIS ARG LEU GLY GLY ALA VAL ILE GLY PHE ALA GLU          
SEQRES   7 A  308  ALA SER THR SER SER VAL LYS LYS GLY GLU SER LEU ARG          
SEQRES   8 A  308  ASP THR ILE LYS THR VAL GLU GLN TYR CYS ASP VAL ILE          
SEQRES   9 A  308  VAL ILE ARG HIS PRO LYS GLU GLY ALA ALA ARG LEU ALA          
SEQRES  10 A  308  ALA GLU VAL ALA GLU VAL PRO VAL ILE ASN ALA GLY ASP          
SEQRES  11 A  308  GLY SER ASN GLN HIS PRO THR GLN THR LEU LEU ASP LEU          
SEQRES  12 A  308  TYR THR ILE LYS LYS GLU PHE GLY ARG ILE ASP GLY LEU          
SEQRES  13 A  308  LYS ILE GLY LEU LEU GLY ASP LEU LYS TYR GLY ARG THR          
SEQRES  14 A  308  VAL HIS SER LEU ALA GLU ALA LEU THR PHE TYR ASP VAL          
SEQRES  15 A  308  GLU LEU TYR LEU ILE SER PRO GLU LEU LEU ARG MET PRO          
SEQRES  16 A  308  ARG HIS ILE VAL GLU GLU LEU ARG GLU LYS GLY MET LYS          
SEQRES  17 A  308  VAL VAL GLU THR THR THR LEU GLU ASP VAL ILE GLY LYS          
SEQRES  18 A  308  LEU ASP VAL LEU TYR VAL THR ARG ILE GLN LYS GLU ARG          
SEQRES  19 A  308  PHE PRO ASP GLU GLN GLU TYR LEU LYS VAL LYS GLY SER          
SEQRES  20 A  308  TYR GLN VAL ASN LEU LYS VAL LEU GLU LYS ALA LYS ASP          
SEQRES  21 A  308  GLU LEU ARG ILE MET HIS PRO LEU PRO ARG VAL ASP GLU          
SEQRES  22 A  308  ILE HIS PRO GLU VAL ASP ASN THR LYS HIS ALA ILE TYR          
SEQRES  23 A  308  PHE ARG GLN VAL PHE ASN GLY VAL PRO VAL ARG MET ALA          
SEQRES  24 A  308  LEU LEU ALA LEU VAL LEU GLY VAL ILE                          
HET    PAL  A 385      16                                                       
HETNAM     PAL N-(PHOSPHONACETYL)-L-ASPARTIC ACID                               
FORMUL   2  PAL    C6 H10 N O8 P                                                
FORMUL   3  HOH   *77(H2 O)                                                     
HELIX    1   1 SER A   10  PHE A   14  5                                   5    
HELIX    2   2 SER A   15  GLY A   37  1                                  23    
HELIX    3   3 THR A   56  LEU A   69  1                                  14    
HELIX    4   4 GLU A   78  GLY A   87  5                                  10    
HELIX    5   5 SER A   89  GLU A   98  1                                  10    
HELIX    6   6 GLY A  112  VAL A  120  1                                   9    
HELIX    7   7 HIS A  135  PHE A  150  1                                  16    
HELIX    8   8 GLY A  167  LEU A  177  1                                  11    
HELIX    9   9 THR A  178  TYR A  180  5                                   3    
HELIX   10  10 PRO A  189  ARG A  193  5                                   5    
HELIX   11  11 PRO A  195  LYS A  205  1                                  11    
HELIX   12  12 LEU A  215  GLY A  220  1                                   6    
HELIX   13  13 GLN A  231  PHE A  235  5                                   5    
HELIX   14  14 ASP A  237  LYS A  243  1                                   7    
HELIX   15  15 LYS A  253  ALA A  258  5                                   6    
HELIX   16  16 HIS A  275  THR A  281  5                                   7    
HELIX   17  17 ILE A  285  ASN A  292  1                                   8    
HELIX   18  18 ASN A  292  LEU A  305  1                                  14    
SHEET    1   A 4 ALA A  72  PHE A  76  0                                        
SHEET    2   A 4 ILE A  46  PHE A  51  1  N  LEU A  47   O  ALA A  72           
SHEET    3   A 4 VAL A 103  HIS A 108  1  O  VAL A 105   N  LEU A  50           
SHEET    4   A 4 VAL A 125  ASP A 130  1  O  ILE A 126   N  ILE A 104           
SHEET    1   B 5 VAL A 209  THR A 212  0                                        
SHEET    2   B 5 VAL A 182  ILE A 187  1  N  LEU A 186   O  VAL A 210           
SHEET    3   B 5 LEU A 156  LEU A 161  1  N  LEU A 160   O  TYR A 185           
SHEET    4   B 5 VAL A 224  VAL A 227  1  O  VAL A 224   N  GLY A 159           
SHEET    5   B 5 ARG A 263  MET A 265  1  O  MET A 265   N  LEU A 225           
CISPEP   1 LEU A  268    PRO A  269          0        -0.69                     
SITE     1 AC1 15 SER A  55  THR A  56  ARG A  57  THR A  58                    
SITE     2 AC1 15 SER A  83  LYS A  86  ARG A 107  HIS A 135                    
SITE     3 AC1 15 GLN A 138  ARG A 168  ARG A 229  GLN A 231                    
SITE     4 AC1 15 LEU A 268  HOH A 394  HOH A 395                               
CRYST1   81.095   81.095  141.959  90.00  90.00 120.00 H 3           9          
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      0.012331  0.007119  0.000000        0.00000                         
SCALE2      0.000000  0.014239  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007044        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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