HEADER    STRUCTURAL GENOMICS, UNKNOWN FUNCTION   13-AUG-01   1JRK              
TITLE     CRYSTAL STRUCTURE OF A NUDIX PROTEIN FROM PYROBACULUM AEROPHILUM      
TITLE    2 REVEALS A DIMER WITH INTERTWINED BETA SHEETS                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NUDIX HOMOLOG;                                             
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PYROBACULUM AEROPHILUM;                         
SOURCE   3 ORGANISM_TAXID: 13773;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PET-22B(+);                           
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET-22B_MUTT                              
KEYWDS    NUDIX/MUTT-LIKE FOLD, MIXED ALPHA/BETA, TETRAMERIZATION DUE TO HIX6X  
KEYWDS   2 TAG, PUTATIVE NUDIX HYDROLASE, STRUCTURAL GENOMICS, UNKNOWN FUNCTION 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.WANG,C.MURA,M.R.SAWAYA,D.CASCIO,D.EISENBERG                         
REVDAT   4   03-APR-24 1JRK    1       REMARK                                   
REVDAT   3   07-FEB-24 1JRK    1       REMARK                                   
REVDAT   2   24-FEB-09 1JRK    1       VERSN                                    
REVDAT   1   03-APR-02 1JRK    0                                                
JRNL        AUTH   S.WANG,C.MURA,M.R.SAWAYA,D.CASCIO,D.EISENBERG                
JRNL        TITL   STRUCTURE OF A NUDIX PROTEIN FROM PYROBACULUM AEROPHILUM     
JRNL        TITL 2 REVEALS A DIMER WITH TWO INTERSUBUNIT BETA-SHEETS.           
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  58   571 2002              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   11914479                                                     
JRNL        DOI    10.1107/S0907444902001191                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 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) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
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)   (%) : 95.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 22891                          
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) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.275                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1103                            
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) : 2.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.55                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.40                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2470                       
REMARK   3   BIN FREE R VALUE                    : 0.3460                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.027                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4728                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 48                                      
REMARK   3   SOLVENT ATOMS            : 173                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.40                          
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.25                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.26                            
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) : 0.38                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.39                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.013                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.757                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.61                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.038                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED ISOTROPIC TEMPERATURE          
REMARK   3                            FACTORS                                   
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 : 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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1JRK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-AUG-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000014107.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-FEB-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 6.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU FR-D                        
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV++                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23707                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 90.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.2                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : 0.09300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.46500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: P. AEROPHILUM MUTT DIMER SOLVED IN ANOTHER SPACE     
REMARK 200  GROUP (P21) BY WANG ET AL.                                          
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.63                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS, MPD, MES BUFFER, PH 6.2, VAPOR     
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 293K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       40.73200            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 4 CHAIN(S). SEE REMARK 350 FOR                     
REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S).                
REMARK 300 THE PUTATIVE BIOLOGICALLY-RELEVANT ASSEMBLY IS A DIMER,              
REMARK 300 AND TWO OF THESE ASSOCIATE TO FORM A WEAK TETRAMER IN THE            
REMARK 300 ASYMMETRIC UNIT. CHAINS A+B AND C+D FORM THE TWO DIMERS.             
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4120 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 14660 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -58.0 KCAL/MOL                        
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 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4230 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 14970 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -60.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D                                  
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: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 11070 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 26910 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -150.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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 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     LEU A   149                                                      
REMARK 465     GLU A   150                                                      
REMARK 465     HIS A   151                                                      
REMARK 465     HIS A   152                                                      
REMARK 465     HIS A   153                                                      
REMARK 465     HIS A   154                                                      
REMARK 465     HIS A   155                                                      
REMARK 465     HIS A   156                                                      
REMARK 465     ALA B   148                                                      
REMARK 465     LEU B   149                                                      
REMARK 465     GLU B   150                                                      
REMARK 465     HIS B   151                                                      
REMARK 465     HIS B   152                                                      
REMARK 465     HIS B   153                                                      
REMARK 465     HIS B   154                                                      
REMARK 465     HIS B   155                                                      
REMARK 465     HIS B   156                                                      
REMARK 465     LEU C   149                                                      
REMARK 465     GLU C   150                                                      
REMARK 465     HIS C   151                                                      
REMARK 465     HIS C   152                                                      
REMARK 465     HIS C   153                                                      
REMARK 465     HIS C   154                                                      
REMARK 465     HIS C   155                                                      
REMARK 465     HIS C   156                                                      
REMARK 465     HIS D   151                                                      
REMARK 465     HIS D   152                                                      
REMARK 465     HIS D   153                                                      
REMARK 465     HIS D   154                                                      
REMARK 465     HIS D   155                                                      
REMARK 465     HIS D   156                                                      
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     GLU D 150    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   NH2  ARG A    21     OE2  GLU A    86              2.04            
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    ILE A  64      126.86   -173.06                                   
REMARK 500    PRO A  85       93.51    -63.04                                   
REMARK 500    GLU A  86       15.88    158.61                                   
REMARK 500    GLU A  87     -163.73    148.67                                   
REMARK 500    THR A  88      103.32    178.54                                   
REMARK 500    GLU A 120       99.15    -66.57                                   
REMARK 500    GLU B  87      167.62    178.65                                   
REMARK 500    LEU B 145       31.01    -65.10                                   
REMARK 500    ASN C  35      -89.07    -66.86                                   
REMARK 500    GLU C  36      146.20    -22.29                                   
REMARK 500    ASP C  65     -162.59   -177.27                                   
REMARK 500    GLU C  87     -168.65    167.32                                   
REMARK 500    ASN C 124       -0.57     66.57                                   
REMARK 500    ILE D  64      139.67    174.34                                   
REMARK 500    GLU D  87      149.44   -179.45                                   
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 MPD C 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 204                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD C 205                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD C 206                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1MUT   RELATED DB: PDB                                   
REMARK 900 NMR STUDY OF MUTT ENZYME, A NUCLEOSIDE TRIPHOSPHATE                  
REMARK 900 PYROPHOSPHOHYDROLASE                                                 
REMARK 900 RELATED ID: 1TUM   RELATED DB: PDB                                   
REMARK 900 MUTT PYROPHOSPHOHYDROLASE-METAL-NUCLEOTIDE-METAL COMPLEX, NMR, 16    
REMARK 900 STRUCTURES                                                           
REMARK 900 RELATED ID: 1K2E   RELATED DB: PDB                                   
REMARK 900 1K2E CONTAINS THE SAME PROTEIN AS THIS ENTRY, AT 1.8A, SOLVED BY     
REMARK 900 MOLECULAR REPLACEMENT.                                               
REMARK 900 RELATED ID: 1K26   RELATED DB: PDB                                   
REMARK 900 1K26 CONTAINS THE SAME PROTEIN AS THIS ENTRY, SOLVED BY SAD ON       
REMARK 900 IRIDIUM DERIVATIVE DATA AT 1.85 A RESOLUTION.                        
DBREF  1JRK A    2   142  UNP    Q8ZTD8   Q8ZTD8_PYRAE     6    146             
DBREF  1JRK B    2   142  UNP    Q8ZTD8   Q8ZTD8_PYRAE     6    146             
DBREF  1JRK C    2   142  UNP    Q8ZTD8   Q8ZTD8_PYRAE     6    146             
DBREF  1JRK D    2   142  UNP    Q8ZTD8   Q8ZTD8_PYRAE     6    146             
SEQRES   1 A  156  MET ILE VAL THR SER GLY VAL LEU VAL GLU ASN GLY LYS          
SEQRES   2 A  156  VAL LEU LEU VAL LYS HIS LYS ARG LEU GLY VAL TYR ILE          
SEQRES   3 A  156  TYR PRO GLY GLY HIS VAL GLU HIS ASN GLU THR PRO ILE          
SEQRES   4 A  156  GLU ALA VAL LYS ARG GLU PHE GLU GLU GLU THR GLY ILE          
SEQRES   5 A  156  VAL VAL GLU PRO ILE GLY PHE THR TYR GLY ILE ILE ASP          
SEQRES   6 A  156  GLU ASN ALA VAL GLU ARG PRO MET PRO LEU VAL ILE LEU          
SEQRES   7 A  156  GLU GLU VAL VAL LYS TYR PRO GLU GLU THR HIS ILE HIS          
SEQRES   8 A  156  PHE ASP LEU ILE TYR LEU VAL LYS ARG VAL GLY GLY ASP          
SEQRES   9 A  156  LEU LYS ASN GLY GLU TRP ILE ASP VAL ARG GLU ILE ASP          
SEQRES  10 A  156  ARG ILE GLU THR PHE PRO ASN VAL ARG LYS VAL VAL SER          
SEQRES  11 A  156  LEU ALA LEU SER THR LEU TYR ARG LEU GLY LYS ILE SER          
SEQRES  12 A  156  LYS LEU ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS          
SEQRES   1 B  156  MET ILE VAL THR SER GLY VAL LEU VAL GLU ASN GLY LYS          
SEQRES   2 B  156  VAL LEU LEU VAL LYS HIS LYS ARG LEU GLY VAL TYR ILE          
SEQRES   3 B  156  TYR PRO GLY GLY HIS VAL GLU HIS ASN GLU THR PRO ILE          
SEQRES   4 B  156  GLU ALA VAL LYS ARG GLU PHE GLU GLU GLU THR GLY ILE          
SEQRES   5 B  156  VAL VAL GLU PRO ILE GLY PHE THR TYR GLY ILE ILE ASP          
SEQRES   6 B  156  GLU ASN ALA VAL GLU ARG PRO MET PRO LEU VAL ILE LEU          
SEQRES   7 B  156  GLU GLU VAL VAL LYS TYR PRO GLU GLU THR HIS ILE HIS          
SEQRES   8 B  156  PHE ASP LEU ILE TYR LEU VAL LYS ARG VAL GLY GLY ASP          
SEQRES   9 B  156  LEU LYS ASN GLY GLU TRP ILE ASP VAL ARG GLU ILE ASP          
SEQRES  10 B  156  ARG ILE GLU THR PHE PRO ASN VAL ARG LYS VAL VAL SER          
SEQRES  11 B  156  LEU ALA LEU SER THR LEU TYR ARG LEU GLY LYS ILE SER          
SEQRES  12 B  156  LYS LEU ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS          
SEQRES   1 C  156  MET ILE VAL THR SER GLY VAL LEU VAL GLU ASN GLY LYS          
SEQRES   2 C  156  VAL LEU LEU VAL LYS HIS LYS ARG LEU GLY VAL TYR ILE          
SEQRES   3 C  156  TYR PRO GLY GLY HIS VAL GLU HIS ASN GLU THR PRO ILE          
SEQRES   4 C  156  GLU ALA VAL LYS ARG GLU PHE GLU GLU GLU THR GLY ILE          
SEQRES   5 C  156  VAL VAL GLU PRO ILE GLY PHE THR TYR GLY ILE ILE ASP          
SEQRES   6 C  156  GLU ASN ALA VAL GLU ARG PRO MET PRO LEU VAL ILE LEU          
SEQRES   7 C  156  GLU GLU VAL VAL LYS TYR PRO GLU GLU THR HIS ILE HIS          
SEQRES   8 C  156  PHE ASP LEU ILE TYR LEU VAL LYS ARG VAL GLY GLY ASP          
SEQRES   9 C  156  LEU LYS ASN GLY GLU TRP ILE ASP VAL ARG GLU ILE ASP          
SEQRES  10 C  156  ARG ILE GLU THR PHE PRO ASN VAL ARG LYS VAL VAL SER          
SEQRES  11 C  156  LEU ALA LEU SER THR LEU TYR ARG LEU GLY LYS ILE SER          
SEQRES  12 C  156  LYS LEU ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS          
SEQRES   1 D  156  MET ILE VAL THR SER GLY VAL LEU VAL GLU ASN GLY LYS          
SEQRES   2 D  156  VAL LEU LEU VAL LYS HIS LYS ARG LEU GLY VAL TYR ILE          
SEQRES   3 D  156  TYR PRO GLY GLY HIS VAL GLU HIS ASN GLU THR PRO ILE          
SEQRES   4 D  156  GLU ALA VAL LYS ARG GLU PHE GLU GLU GLU THR GLY ILE          
SEQRES   5 D  156  VAL VAL GLU PRO ILE GLY PHE THR TYR GLY ILE ILE ASP          
SEQRES   6 D  156  GLU ASN ALA VAL GLU ARG PRO MET PRO LEU VAL ILE LEU          
SEQRES   7 D  156  GLU GLU VAL VAL LYS TYR PRO GLU GLU THR HIS ILE HIS          
SEQRES   8 D  156  PHE ASP LEU ILE TYR LEU VAL LYS ARG VAL GLY GLY ASP          
SEQRES   9 D  156  LEU LYS ASN GLY GLU TRP ILE ASP VAL ARG GLU ILE ASP          
SEQRES  10 D  156  ARG ILE GLU THR PHE PRO ASN VAL ARG LYS VAL VAL SER          
SEQRES  11 D  156  LEU ALA LEU SER THR LEU TYR ARG LEU GLY LYS ILE SER          
SEQRES  12 D  156  LYS LEU ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS          
HET    MPD  A 203       8                                                       
HET    MPD  B 202       8                                                       
HET    MPD  B 204       8                                                       
HET    MPD  C 201       8                                                       
HET    MPD  C 205       8                                                       
HET    MPD  C 206       8                                                       
HETNAM     MPD (4S)-2-METHYL-2,4-PENTANEDIOL                                    
FORMUL   5  MPD    6(C6 H14 O2)                                                 
FORMUL  11  HOH   *173(H2 O)                                                    
HELIX    1   1 THR A   37  GLY A   51  1                                  15    
HELIX    2   2 GLU A  115  ILE A  119  5                                   5    
HELIX    3   3 ASN A  124  ALA A  148  1                                  25    
HELIX    4   4 THR B   37  GLY B   51  1                                  15    
HELIX    5   5 GLU B  115  ILE B  119  5                                   5    
HELIX    6   6 PRO B  123  SER B  143  1                                  21    
HELIX    7   7 THR C   37  GLY C   51  1                                  15    
HELIX    8   8 GLU C  115  ILE C  119  5                                   5    
HELIX    9   9 ASN C  124  LYS C  141  1                                  18    
HELIX   10  10 THR D   37  GLY D   51  1                                  15    
HELIX   11  11 GLU D  115  ILE D  119  5                                   5    
HELIX   12  12 ASN D  124  GLU D  150  1                                  27    
SHEET    1   A 6 ILE B  64  ASP B  65  0                                        
SHEET    2   A 6 ALA B  68  GLU B  70 -1  O  ALA B  68   N  ASP B  65           
SHEET    3   A 6 VAL A  76  VAL A  82 -1  N  GLU A  79   O  VAL B  69           
SHEET    4   A 6 HIS A  89  GLY A 103 -1  O  ASP A  93   N  LEU A  78           
SHEET    5   A 6 ILE A   2  VAL A   7  0                                        
SHEET    6   A 6 GLY A  29  HIS A  31 -1  O  GLY A  30   N  THR A   4           
SHEET    1   B 5 ILE B  64  ASP B  65  0                                        
SHEET    2   B 5 ALA B  68  GLU B  70 -1  O  ALA B  68   N  ASP B  65           
SHEET    3   B 5 VAL A  76  VAL A  82 -1  N  GLU A  79   O  VAL B  69           
SHEET    4   B 5 HIS A  89  GLY A 103 -1  O  ASP A  93   N  LEU A  78           
SHEET    5   B 5 ILE A  52  ILE A  57  0                                        
SHEET    1   C 3 TYR A  25  ILE A  26  0                                        
SHEET    2   C 3 LYS A  13  LYS A  18 -1  N  VAL A  17   O  ILE A  26           
SHEET    3   C 3 GLU A 109  ASP A 112 -1  O  ILE A 111   N  VAL A  14           
SHEET    1   D 6 ILE A  64  ASP A  65  0                                        
SHEET    2   D 6 ALA A  68  GLU A  70 -1  O  ALA A  68   N  ASP A  65           
SHEET    3   D 6 VAL B  76  LYS B  83 -1  O  GLU B  79   N  VAL A  69           
SHEET    4   D 6 THR B  88  GLY B 103 -1  O  ASP B  93   N  LEU B  78           
SHEET    5   D 6 ILE B   2  VAL B   7  0                                        
SHEET    6   D 6 GLY B  29  HIS B  31 -1  O  GLY B  30   N  THR B   4           
SHEET    1   E 5 ILE A  64  ASP A  65  0                                        
SHEET    2   E 5 ALA A  68  GLU A  70 -1  O  ALA A  68   N  ASP A  65           
SHEET    3   E 5 VAL B  76  LYS B  83 -1  O  GLU B  79   N  VAL A  69           
SHEET    4   E 5 THR B  88  GLY B 103 -1  O  ASP B  93   N  LEU B  78           
SHEET    5   E 5 ILE B  52  PRO B  56  0                                        
SHEET    1   F 3 GLU B 109  ASP B 112  0                                        
SHEET    2   F 3 LYS B  13  LYS B  18 -1  N  VAL B  14   O  ILE B 111           
SHEET    3   F 3 VAL B   9  GLU B  10  0                                        
SHEET    1   G 3 GLU B 109  ASP B 112  0                                        
SHEET    2   G 3 LYS B  13  LYS B  18 -1  N  VAL B  14   O  ILE B 111           
SHEET    3   G 3 TYR B  25  ILE B  26  0                                        
SHEET    1   H 6 ILE D  64  ASP D  65  0                                        
SHEET    2   H 6 ALA D  68  GLU D  70 -1  O  ALA D  68   N  ASP D  65           
SHEET    3   H 6 VAL C  76  TYR C  84 -1  N  GLU C  79   O  VAL D  69           
SHEET    4   H 6 GLU C  87  GLY C 103 -1  O  ASP C  93   N  LEU C  78           
SHEET    5   H 6 ILE C   2  VAL C   7  0                                        
SHEET    6   H 6 GLY C  29  HIS C  31 -1  O  GLY C  30   N  THR C   4           
SHEET    1   I 5 ILE D  64  ASP D  65  0                                        
SHEET    2   I 5 ALA D  68  GLU D  70 -1  O  ALA D  68   N  ASP D  65           
SHEET    3   I 5 VAL C  76  TYR C  84 -1  N  GLU C  79   O  VAL D  69           
SHEET    4   I 5 GLU C  87  GLY C 103 -1  O  ASP C  93   N  LEU C  78           
SHEET    5   I 5 ILE C  52  ILE C  57  0                                        
SHEET    1   J 3 GLU C 109  ASP C 112  0                                        
SHEET    2   J 3 LYS C  13  LYS C  18 -1  N  VAL C  14   O  ILE C 111           
SHEET    3   J 3 VAL C   9  GLU C  10  0                                        
SHEET    1   K 3 GLU C 109  ASP C 112  0                                        
SHEET    2   K 3 LYS C  13  LYS C  18 -1  N  VAL C  14   O  ILE C 111           
SHEET    3   K 3 TYR C  25  ILE C  26  0                                        
SHEET    1   L 5 ALA C  68  GLU C  70  0                                        
SHEET    2   L 5 VAL D  76  LYS D  83 -1  O  GLU D  79   N  VAL C  69           
SHEET    3   L 5 THR D  88  GLY D 103 -1  O  ASP D  93   N  LEU D  78           
SHEET    4   L 5 ILE D   2  VAL D   7  0                                        
SHEET    5   L 5 GLY D  29  HIS D  31 -1  O  GLY D  30   N  THR D   4           
SHEET    1   M 4 ALA C  68  GLU C  70  0                                        
SHEET    2   M 4 VAL D  76  LYS D  83 -1  O  GLU D  79   N  VAL C  69           
SHEET    3   M 4 THR D  88  GLY D 103 -1  O  ASP D  93   N  LEU D  78           
SHEET    4   M 4 ILE D  52  ILE D  57  0                                        
SHEET    1   N 3 GLU D 109  ASP D 112  0                                        
SHEET    2   N 3 LYS D  13  LYS D  18 -1  N  LEU D  16   O  GLU D 109           
SHEET    3   N 3 VAL D   9  GLU D  10  0                                        
SHEET    1   O 3 GLU D 109  ASP D 112  0                                        
SHEET    2   O 3 LYS D  13  LYS D  18 -1  N  LEU D  16   O  GLU D 109           
SHEET    3   O 3 TYR D  25  ILE D  26  0                                        
SITE     1 AC1  8 LEU A 145  GLY C  58  PHE C  59  MET C  73                    
SITE     2 AC1  8 PRO C  74  LEU C  75  TYR D  61  MET D  73                    
SITE     1 AC2  7 LEU B   8  VAL B   9  GLU B  10  VAL B  98                    
SITE     2 AC2  7 LYS B  99  ARG B 100  LEU D 149                               
SITE     1 AC3  4 PHE A  59  THR A  60  TYR A  61  ILE C 142                    
SITE     1 AC4  6 TYR A  61  GLY B  58  PHE B  59  MET B  73                    
SITE     2 AC4  6 PRO B  74  LEU B  75                                          
SITE     1 AC5  4 HIS C  19  LYS C  20  GLY C  29  GLU C  49                    
SITE     1 AC6  5 GLU C  10  ASN C  11  LYS C  13  ARG C 100                    
SITE     2 AC6  5 TRP C 110                                                     
CRYST1   52.469   81.464   73.888  90.00  99.96  90.00 P 1 21 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      0.019059  0.000000  0.003347        0.00000                         
SCALE2      0.000000  0.012275  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013741        0.00000