HEADER    HYDROLASE                               21-SEP-18   6HPQ              
TITLE     CRYSTAL STRUCTURE OF HUMAN PIF1 HELICASE IN COMPLEX WITH AMP-PNP,     
TITLE    2 BROMINATED CRYSTAL FORM.                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ATP-DEPENDENT DNA HELICASE PIF1;                           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: DNA REPAIR AND RECOMBINATION HELICASE PIF1,PIF1/RRM3 DNA    
COMPND   5 HELICASE-LIKE PROTEIN;                                               
COMPND   6 EC: 3.6.4.12;                                                        
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 OTHER_DETAILS: SRM - CLONING ARTEFACT SR - DOESN'T HAVE ELECTRON     
COMPND   9 DENSITY                                                              
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PIF1, C15ORF20;                                                
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET                                       
KEYWDS    PIF1, 5'-3' DNA HELICASE, DUPLEX UNWINDING, TELOMERE MAINTENANCE, DNA 
KEYWDS   2 REPAIR, HYDROLASE                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.M.LEDIKOV,S.DEHGHANI-TAFTI,B.BAX,C.M.SANDERS,A.A.ANTSON             
REVDAT   4   15-MAY-24 6HPQ    1       LINK                                     
REVDAT   3   17-APR-19 6HPQ    1       JRNL   REMARK LINK                       
REVDAT   2   13-FEB-19 6HPQ    1       JRNL                                     
REVDAT   1   23-JAN-19 6HPQ    0                                                
JRNL        AUTH   S.DEHGHANI-TAFTI,V.LEVDIKOV,A.A.ANTSON,B.BAX,C.M.SANDERS     
JRNL        TITL   STRUCTURAL AND FUNCTIONAL ANALYSIS OF THE NUCLEOTIDE AND DNA 
JRNL        TITL 2 BINDING ACTIVITIES OF THE HUMAN PIF1 HELICASE.               
JRNL        REF    NUCLEIC ACIDS RES.            V.  47  3208 2019              
JRNL        REFN                   ESSN 1362-4962                               
JRNL        PMID   30698796                                                     
JRNL        DOI    10.1093/NAR/GKZ028                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.43 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0232                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.43                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 71.37                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 141225                         
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 + TEST SET) : 0.226                           
REMARK   3   R VALUE            (WORKING SET) : 0.224                           
REMARK   3   FREE R VALUE                     : 0.266                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 7357                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.43                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.47                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 10330                        
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.81                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4690                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 532                          
REMARK   3   BIN FREE R VALUE                    : 0.5020                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6338                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 73                                      
REMARK   3   SOLVENT ATOMS            : 1197                                    
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 20.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.41                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.37000                                             
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.37000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.107         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.091         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.071         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.403         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.976                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.959                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6682 ; 0.014 ; 0.013       
REMARK   3   BOND LENGTHS OTHERS               (A):  6427 ; 0.002 ; 0.017       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  9090 ; 1.958 ; 1.642       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 14862 ; 1.573 ; 1.572       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   877 ; 6.230 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   354 ;31.815 ;20.113       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1168 ;15.092 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    72 ;22.610 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   868 ; 0.104 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  7551 ; 0.012 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  1451 ; 0.005 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  3387 ; 2.730 ; 1.508       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  3386 ; 2.711 ; 1.508       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4245 ; 3.540 ; 2.284       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  4246 ; 3.547 ; 2.284       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  3295 ; 4.186 ; 1.970       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  3295 ; 4.186 ; 1.970       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  4825 ; 4.865 ; 2.786       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2): 29713 ; 6.347 ;33.000       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2): 28137 ; 5.081 ;30.955       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2): 13109 ; 3.158 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   155 ;39.992 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2): 14030 ;18.391 ; 5.000       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 6HPQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-SEP-18.                  
REMARK 100 THE DEPOSITION ID IS D_1200012042.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-OCT-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5-8                              
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I03                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.91966, 0.91992, 0.91912          
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 S 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XIA2                               
REMARK 200  DATA SCALING SOFTWARE          : XIA2                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 148682                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.430                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 73.250                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 12.80                              
REMARK 200  R MERGE                    (I) : 0.14600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.6000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.43                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.47                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.70                              
REMARK 200  R MERGE FOR SHELL          (I) : 2.31600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: SHELXDE                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.20                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NA-ACETATE, PEG 2K MME, TRIS-CL, VAPOR   
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 277K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
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                                                                      
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       36.62500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       71.27000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.41000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       71.27000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       36.62500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       38.41000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4610 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 35310 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -33.0 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 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     SER A   203                                                      
REMARK 465     ARG A   204                                                      
REMARK 465     SER B   203                                                      
REMARK 465     ARG B   204                                                      
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   O    PRO A   291     O    HOH A   902              1.75            
REMARK 500   O    LYS A   414    BR     BR A   806              1.75            
REMARK 500   O    PRO B   291     O    HOH B   901              1.88            
REMARK 500   NH2  ARG A   424     O    HOH A   903              1.90            
REMARK 500   O    HOH A  1314     O    HOH A  1373              2.03            
REMARK 500   NH1  ARG B   571    BR     BR B   804              2.05            
REMARK 500   OE1  GLN B   441     O    HOH B   902              2.10            
REMARK 500   O    ASP B   464     O    HOH B   903              2.11            
REMARK 500   O    HOH A  1352     O    HOH A  1467              2.14            
REMARK 500   O    HOH B   920     O    HOH B  1230              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   NH2  ARG A   417     NE   ARG B   417     3655     1.03            
REMARK 500   NH1  ARG A   417     O    HOH B  1359     3655     1.84            
REMARK 500   CZ   ARG A   417     NE   ARG B   417     3655     1.85            
REMARK 500   NH2  ARG A   417     CZ   ARG B   417     3655     1.92            
REMARK 500   NH2  ARG A   417     CD   ARG B   417     3655     2.00            
REMARK 500   NH2  ARG B   424     O    HOH A  1469     3545     2.05            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    GLU B 375   CD    GLU B 375   OE2    -0.068                       
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    ARG A 368   NE  -  CZ  -  NH1 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    ARG A 368   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500    ARG A 417   CG  -  CD  -  NE  ANGL. DEV. = -18.2 DEGREES          
REMARK 500    ARG A 417   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ARG A 424   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ARG A 438   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    LEU A 620   CA  -  C   -  O   ANGL. DEV. = -12.8 DEGREES          
REMARK 500    ARG B 368   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG B 368   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    ARG B 424   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG B 424   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.0 DEGREES          
REMARK 500    ARG B 541   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG B 541   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    ARG B 592   NE  -  CZ  -  NH2 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG B 618   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 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    GLN A 346     -141.17   -102.58                                   
REMARK 500    VAL A 415      -36.04     52.36                                   
REMARK 500    ALA A 549       31.43   -147.17                                   
REMARK 500    ASP A 563       18.19   -145.63                                   
REMARK 500    CYS A 564       75.84   -159.28                                   
REMARK 500    GLN B 346     -140.06   -101.09                                   
REMARK 500    ALA B 549       32.14   -148.64                                   
REMARK 500    CYS B 564       79.30   -154.92                                   
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    PRO A 291        -10.59                                           
REMARK 500    PRO A 291         10.66                                           
REMARK 500    LYS A 414         11.55                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A1496        DISTANCE =  6.34 ANGSTROMS                       
REMARK 525    HOH A1497        DISTANCE =  6.48 ANGSTROMS                       
REMARK 525    HOH A1498        DISTANCE =  6.68 ANGSTROMS                       
REMARK 525    HOH A1499        DISTANCE =  7.14 ANGSTROMS                       
REMARK 525    HOH A1500        DISTANCE =  7.20 ANGSTROMS                       
REMARK 525    HOH A1501        DISTANCE =  9.51 ANGSTROMS                       
REMARK 525    HOH B1489        DISTANCE =  5.81 ANGSTROMS                       
REMARK 525    HOH B1490        DISTANCE =  5.85 ANGSTROMS                       
REMARK 525    HOH B1491        DISTANCE =  6.18 ANGSTROMS                       
REMARK 525    HOH B1492        DISTANCE =  6.21 ANGSTROMS                       
REMARK 525    HOH B1493        DISTANCE =  6.37 ANGSTROMS                       
REMARK 525    HOH B1494        DISTANCE =  6.59 ANGSTROMS                       
REMARK 525    HOH B1495        DISTANCE =  6.69 ANGSTROMS                       
REMARK 525    HOH B1496        DISTANCE =  6.80 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 802  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER A 235   OG                                                     
REMARK 620 2 ANP A 801   O1G 177.3                                              
REMARK 620 3 ANP A 801   O1B  89.1  93.7                                        
REMARK 620 4 HOH A1051   O    87.8  92.5  87.1                                  
REMARK 620 5 HOH A1098   O    83.4  96.2  93.4 171.2                            
REMARK 620 6 HOH A1110   O    85.8  91.5 172.8  87.7  91.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 802  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER B 235   OG                                                     
REMARK 620 2 ANP B 801   O3G 177.1                                              
REMARK 620 3 ANP B 801   O2B  88.8  93.5                                        
REMARK 620 4 HOH B1022   O    86.8  91.0 174.0                                  
REMARK 620 5 HOH B1100   O    89.0  92.8  87.2  88.6                            
REMARK 620 6 HOH B1110   O    83.6  94.6  92.3  91.4 172.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ANP A 801                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 802                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BR A 803                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BR A 804                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BR A 805                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BR A 806                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BR A 807                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ANP B 801                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MG B 802                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BR B 803                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BR B 805                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BR B 806                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide BR B 804 and ARG B     
REMARK 800  571                                                                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 6HPH   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6HPT   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6HPV   RELATED DB: PDB                                   
DBREF  6HPQ A  206   620  UNP    Q9H611   PIF1_HUMAN     206    620             
DBREF  6HPQ B  206   620  UNP    Q9H611   PIF1_HUMAN     206    620             
SEQADV 6HPQ SER A  203  UNP  Q9H611              EXPRESSION TAG                 
SEQADV 6HPQ ARG A  204  UNP  Q9H611              EXPRESSION TAG                 
SEQADV 6HPQ MET A  205  UNP  Q9H611              EXPRESSION TAG                 
SEQADV 6HPQ SER B  203  UNP  Q9H611              EXPRESSION TAG                 
SEQADV 6HPQ ARG B  204  UNP  Q9H611              EXPRESSION TAG                 
SEQADV 6HPQ MET B  205  UNP  Q9H611              EXPRESSION TAG                 
SEQRES   1 A  418  SER ARG MET GLN LEU SER GLU GLU GLN ALA ALA VAL LEU          
SEQRES   2 A  418  ARG ALA VAL LEU LYS GLY GLN SER ILE PHE PHE THR GLY          
SEQRES   3 A  418  SER ALA GLY THR GLY LYS SER TYR LEU LEU LYS ARG ILE          
SEQRES   4 A  418  LEU GLY SER LEU PRO PRO THR GLY THR VAL ALA THR ALA          
SEQRES   5 A  418  SER THR GLY VAL ALA ALA CYS HIS ILE GLY GLY THR THR          
SEQRES   6 A  418  LEU HIS ALA PHE ALA GLY ILE GLY SER GLY GLN ALA PRO          
SEQRES   7 A  418  LEU ALA GLN CYS VAL ALA LEU ALA GLN ARG PRO GLY VAL          
SEQRES   8 A  418  ARG GLN GLY TRP LEU ASN CYS GLN ARG LEU VAL ILE ASP          
SEQRES   9 A  418  GLU ILE SER MET VAL GLU ALA ASP LEU PHE ASP LYS LEU          
SEQRES  10 A  418  GLU ALA VAL ALA ARG ALA VAL ARG GLN GLN ASN LYS PRO          
SEQRES  11 A  418  PHE GLY GLY ILE GLN LEU ILE ILE CYS GLY ASP PHE LEU          
SEQRES  12 A  418  GLN LEU PRO PRO VAL THR LYS GLY SER GLN PRO PRO ARG          
SEQRES  13 A  418  PHE CYS PHE GLN SER LYS SER TRP LYS ARG CYS VAL PRO          
SEQRES  14 A  418  VAL THR LEU GLU LEU THR LYS VAL TRP ARG GLN ALA ASP          
SEQRES  15 A  418  GLN THR PHE ILE SER LEU LEU GLN ALA VAL ARG LEU GLY          
SEQRES  16 A  418  ARG CYS SER ASP GLU VAL THR ARG GLN LEU GLN ALA THR          
SEQRES  17 A  418  ALA SER HIS LYS VAL GLY ARG ASP GLY ILE VAL ALA THR          
SEQRES  18 A  418  ARG LEU CYS THR HIS GLN ASP ASP VAL ALA LEU THR ASN          
SEQRES  19 A  418  GLU ARG ARG LEU GLN GLU LEU PRO GLY LYS VAL HIS ARG          
SEQRES  20 A  418  PHE GLU ALA MET ASP SER ASN PRO GLU LEU ALA SER THR          
SEQRES  21 A  418  LEU ASP ALA GLN CYS PRO VAL SER GLN LEU LEU GLN LEU          
SEQRES  22 A  418  LYS LEU GLY ALA GLN VAL MET LEU VAL LYS ASN LEU SER          
SEQRES  23 A  418  VAL SER ARG GLY LEU VAL ASN GLY ALA ARG GLY VAL VAL          
SEQRES  24 A  418  VAL GLY PHE GLU ALA GLU GLY ARG GLY LEU PRO GLN VAL          
SEQRES  25 A  418  ARG PHE LEU CYS GLY VAL THR GLU VAL ILE HIS ALA ASP          
SEQRES  26 A  418  ARG TRP THR VAL GLN ALA THR GLY GLY GLN LEU LEU SER          
SEQRES  27 A  418  ARG GLN GLN LEU PRO LEU GLN LEU ALA TRP ALA MET SER          
SEQRES  28 A  418  ILE HIS LYS SER GLN GLY MET THR LEU ASP CYS VAL GLU          
SEQRES  29 A  418  ILE SER LEU GLY ARG VAL PHE ALA SER GLY GLN ALA TYR          
SEQRES  30 A  418  VAL ALA LEU SER ARG ALA ARG SER LEU GLN GLY LEU ARG          
SEQRES  31 A  418  VAL LEU ASP PHE ASP PRO MET ALA VAL ARG CYS ASP PRO          
SEQRES  32 A  418  ARG VAL LEU HIS PHE TYR ALA THR LEU ARG ARG GLY ARG          
SEQRES  33 A  418  SER LEU                                                      
SEQRES   1 B  418  SER ARG MET GLN LEU SER GLU GLU GLN ALA ALA VAL LEU          
SEQRES   2 B  418  ARG ALA VAL LEU LYS GLY GLN SER ILE PHE PHE THR GLY          
SEQRES   3 B  418  SER ALA GLY THR GLY LYS SER TYR LEU LEU LYS ARG ILE          
SEQRES   4 B  418  LEU GLY SER LEU PRO PRO THR GLY THR VAL ALA THR ALA          
SEQRES   5 B  418  SER THR GLY VAL ALA ALA CYS HIS ILE GLY GLY THR THR          
SEQRES   6 B  418  LEU HIS ALA PHE ALA GLY ILE GLY SER GLY GLN ALA PRO          
SEQRES   7 B  418  LEU ALA GLN CYS VAL ALA LEU ALA GLN ARG PRO GLY VAL          
SEQRES   8 B  418  ARG GLN GLY TRP LEU ASN CYS GLN ARG LEU VAL ILE ASP          
SEQRES   9 B  418  GLU ILE SER MET VAL GLU ALA ASP LEU PHE ASP LYS LEU          
SEQRES  10 B  418  GLU ALA VAL ALA ARG ALA VAL ARG GLN GLN ASN LYS PRO          
SEQRES  11 B  418  PHE GLY GLY ILE GLN LEU ILE ILE CYS GLY ASP PHE LEU          
SEQRES  12 B  418  GLN LEU PRO PRO VAL THR LYS GLY SER GLN PRO PRO ARG          
SEQRES  13 B  418  PHE CYS PHE GLN SER LYS SER TRP LYS ARG CYS VAL PRO          
SEQRES  14 B  418  VAL THR LEU GLU LEU THR LYS VAL TRP ARG GLN ALA ASP          
SEQRES  15 B  418  GLN THR PHE ILE SER LEU LEU GLN ALA VAL ARG LEU GLY          
SEQRES  16 B  418  ARG CYS SER ASP GLU VAL THR ARG GLN LEU GLN ALA THR          
SEQRES  17 B  418  ALA SER HIS LYS VAL GLY ARG ASP GLY ILE VAL ALA THR          
SEQRES  18 B  418  ARG LEU CYS THR HIS GLN ASP ASP VAL ALA LEU THR ASN          
SEQRES  19 B  418  GLU ARG ARG LEU GLN GLU LEU PRO GLY LYS VAL HIS ARG          
SEQRES  20 B  418  PHE GLU ALA MET ASP SER ASN PRO GLU LEU ALA SER THR          
SEQRES  21 B  418  LEU ASP ALA GLN CYS PRO VAL SER GLN LEU LEU GLN LEU          
SEQRES  22 B  418  LYS LEU GLY ALA GLN VAL MET LEU VAL LYS ASN LEU SER          
SEQRES  23 B  418  VAL SER ARG GLY LEU VAL ASN GLY ALA ARG GLY VAL VAL          
SEQRES  24 B  418  VAL GLY PHE GLU ALA GLU GLY ARG GLY LEU PRO GLN VAL          
SEQRES  25 B  418  ARG PHE LEU CYS GLY VAL THR GLU VAL ILE HIS ALA ASP          
SEQRES  26 B  418  ARG TRP THR VAL GLN ALA THR GLY GLY GLN LEU LEU SER          
SEQRES  27 B  418  ARG GLN GLN LEU PRO LEU GLN LEU ALA TRP ALA MET SER          
SEQRES  28 B  418  ILE HIS LYS SER GLN GLY MET THR LEU ASP CYS VAL GLU          
SEQRES  29 B  418  ILE SER LEU GLY ARG VAL PHE ALA SER GLY GLN ALA TYR          
SEQRES  30 B  418  VAL ALA LEU SER ARG ALA ARG SER LEU GLN GLY LEU ARG          
SEQRES  31 B  418  VAL LEU ASP PHE ASP PRO MET ALA VAL ARG CYS ASP PRO          
SEQRES  32 B  418  ARG VAL LEU HIS PHE TYR ALA THR LEU ARG ARG GLY ARG          
SEQRES  33 B  418  SER LEU                                                      
HET    ANP  A 801      31                                                       
HET     MG  A 802       1                                                       
HET     BR  A 803       1                                                       
HET     BR  A 804       1                                                       
HET     BR  A 805       1                                                       
HET     BR  A 806       1                                                       
HET     BR  A 807       1                                                       
HET    ANP  B 801      31                                                       
HET     MG  B 802       1                                                       
HET     BR  B 803       1                                                       
HET     BR  B 804       1                                                       
HET     BR  B 805       1                                                       
HET     BR  B 806       1                                                       
HETNAM     ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER                      
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      BR BROMIDE ION                                                      
FORMUL   3  ANP    2(C10 H17 N6 O12 P3)                                         
FORMUL   4   MG    2(MG 2+)                                                     
FORMUL   5   BR    9(BR 1-)                                                     
FORMUL  16  HOH   *1197(H2 O)                                                   
HELIX    1 AA1 SER A  208  LYS A  220  1                                  13    
HELIX    2 AA2 GLY A  233  LEU A  245  1                                  13    
HELIX    3 AA3 THR A  256  ILE A  263  1                                   8    
HELIX    4 AA4 LEU A  268  GLY A  273  1                                   6    
HELIX    5 AA5 PRO A  280  GLN A  289  1                                  10    
HELIX    6 AA6 GLY A  292  CYS A  300  1                                   9    
HELIX    7 AA7 GLU A  307  VAL A  311  5                                   5    
HELIX    8 AA8 GLU A  312  GLN A  328  1                                  17    
HELIX    9 AA9 LYS A  331  ILE A  336  5                                   6    
HELIX   10 AB1 PHE A  359  SER A  363  5                                   5    
HELIX   11 AB2 SER A  365  VAL A  370  1                                   6    
HELIX   12 AB3 ASP A  384  LEU A  396  1                                  13    
HELIX   13 AB4 SER A  400  THR A  410  1                                  11    
HELIX   14 AB5 ALA A  411  HIS A  413  5                                   3    
HELIX   15 AB6 HIS A  428  LEU A  443  1                                  16    
HELIX   16 AB7 ASN A  456  GLU A  458  5                                   3    
HELIX   17 AB8 LEU A  459  CYS A  467  1                                   9    
HELIX   18 AB9 HIS A  555  GLN A  558  5                                   4    
HELIX   19 AC1 GLY A  576  ARG A  584  1                                   9    
HELIX   20 AC2 SER A  587  GLN A  589  5                                   3    
HELIX   21 AC3 ASP A  597  VAL A  601  5                                   5    
HELIX   22 AC4 ASP A  604  ARG A  616  1                                  13    
HELIX   23 AC5 SER B  208  LYS B  220  1                                  13    
HELIX   24 AC6 GLY B  233  SER B  244  1                                  12    
HELIX   25 AC7 THR B  256  ILE B  263  1                                   8    
HELIX   26 AC8 LEU B  268  GLY B  273  1                                   6    
HELIX   27 AC9 PRO B  280  GLN B  289  1                                  10    
HELIX   28 AD1 GLY B  292  CYS B  300  1                                   9    
HELIX   29 AD2 GLU B  307  VAL B  311  5                                   5    
HELIX   30 AD3 GLU B  312  GLN B  328  1                                  17    
HELIX   31 AD4 LYS B  331  ILE B  336  5                                   6    
HELIX   32 AD5 PHE B  359  SER B  363  5                                   5    
HELIX   33 AD6 SER B  365  VAL B  370  1                                   6    
HELIX   34 AD7 ASP B  384  LEU B  396  1                                  13    
HELIX   35 AD8 SER B  400  THR B  410  1                                  11    
HELIX   36 AD9 ALA B  411  HIS B  413  5                                   3    
HELIX   37 AE1 HIS B  428  LEU B  443  1                                  16    
HELIX   38 AE2 ASN B  456  GLU B  458  5                                   3    
HELIX   39 AE3 LEU B  459  CYS B  467  1                                   9    
HELIX   40 AE4 SER B  488  GLY B  492  5                                   5    
HELIX   41 AE5 THR B  534  GLY B  536  5                                   3    
HELIX   42 AE6 HIS B  555  GLN B  558  5                                   4    
HELIX   43 AE7 GLY B  576  ARG B  584  1                                   9    
HELIX   44 AE8 SER B  587  GLN B  589  5                                   3    
HELIX   45 AE9 ASP B  597  VAL B  601  5                                   5    
HELIX   46 AF1 ASP B  604  ARG B  616  1                                  13    
SHEET    1 AA1 6 THR A 266  THR A 267  0                                        
SHEET    2 AA1 6 THR A 250  ALA A 254  1  N  ALA A 252   O  THR A 266           
SHEET    3 AA1 6 ARG A 302  ASP A 306  1  O  ARG A 302   N  VAL A 251           
SHEET    4 AA1 6 GLN A 337  GLY A 342  1  O  GLN A 337   N  LEU A 303           
SHEET    5 AA1 6 ILE A 224  THR A 227  1  N  ILE A 224   O  ILE A 340           
SHEET    6 AA1 6 VAL A 372  GLU A 375  1  O  VAL A 372   N  PHE A 225           
SHEET    1 AA2 4 ALA A 551  SER A 553  0                                        
SHEET    2 AA2 4 THR A 423  CYS A 426  1  N  CYS A 426   O  MET A 552           
SHEET    3 AA2 4 VAL A 565  SER A 568  1  O  GLU A 566   N  LEU A 425           
SHEET    4 AA2 4 LEU A 591  LEU A 594  1  O  LEU A 594   N  ILE A 567           
SHEET    1 AA3 2 HIS A 448  GLU A 451  0                                        
SHEET    2 AA3 2 LEU A 472  LEU A 475 -1  O  LEU A 475   N  HIS A 448           
SHEET    1 AA4 3 MET A 453  ASP A 454  0                                        
SHEET    2 AA4 3 LEU A 538  GLN A 543 -1  O  GLN A 542   N  MET A 453           
SHEET    3 AA4 3 ASP A 527  GLN A 532 -1  N  VAL A 531   O  LEU A 539           
SHEET    1 AA5 5 THR A 521  VAL A 523  0                                        
SHEET    2 AA5 5 PRO A 512  PHE A 516 -1  N  VAL A 514   O  GLU A 522           
SHEET    3 AA5 5 ARG A 498  PHE A 504 -1  N  GLY A 503   O  GLN A 513           
SHEET    4 AA5 5 GLN A 480  LEU A 483 -1  N  VAL A 481   O  GLY A 499           
SHEET    5 AA5 5 LEU A 546  LEU A 548 -1  O  GLN A 547   N  MET A 482           
SHEET    1 AA6 6 THR B 266  THR B 267  0                                        
SHEET    2 AA6 6 THR B 250  ALA B 254  1  N  ALA B 252   O  THR B 266           
SHEET    3 AA6 6 ARG B 302  ASP B 306  1  O  VAL B 304   N  VAL B 251           
SHEET    4 AA6 6 GLN B 337  GLY B 342  1  O  GLN B 337   N  LEU B 303           
SHEET    5 AA6 6 ILE B 224  THR B 227  1  N  ILE B 224   O  ILE B 340           
SHEET    6 AA6 6 VAL B 372  GLU B 375  1  O  VAL B 372   N  PHE B 225           
SHEET    1 AA7 4 ALA B 551  SER B 553  0                                        
SHEET    2 AA7 4 THR B 423  CYS B 426  1  N  CYS B 426   O  MET B 552           
SHEET    3 AA7 4 VAL B 565  SER B 568  1  O  GLU B 566   N  LEU B 425           
SHEET    4 AA7 4 LEU B 591  LEU B 594  1  O  LEU B 594   N  ILE B 567           
SHEET    1 AA8 2 HIS B 448  GLU B 451  0                                        
SHEET    2 AA8 2 LEU B 472  LEU B 475 -1  O  LEU B 475   N  HIS B 448           
SHEET    1 AA9 3 MET B 453  ASP B 454  0                                        
SHEET    2 AA9 3 LEU B 538  GLN B 543 -1  O  GLN B 542   N  MET B 453           
SHEET    3 AA9 3 ASP B 527  GLN B 532 -1  N  VAL B 531   O  LEU B 539           
SHEET    1 AB1 5 THR B 521  VAL B 523  0                                        
SHEET    2 AB1 5 PRO B 512  PHE B 516 -1  N  VAL B 514   O  GLU B 522           
SHEET    3 AB1 5 ARG B 498  PHE B 504 -1  N  GLY B 503   O  GLN B 513           
SHEET    4 AB1 5 GLN B 480  LEU B 483 -1  N  VAL B 481   O  GLY B 499           
SHEET    5 AB1 5 LEU B 546  LEU B 548 -1  O  GLN B 547   N  MET B 482           
LINK         OG  SER A 235                MG    MG A 802     1555   1555  2.19  
LINK         O1G ANP A 801                MG    MG A 802     1555   1555  1.96  
LINK         O1B ANP A 801                MG    MG A 802     1555   1555  2.10  
LINK        MG    MG A 802                 O   HOH A1051     1555   1555  2.17  
LINK        MG    MG A 802                 O   HOH A1098     1555   1555  2.06  
LINK        MG    MG A 802                 O   HOH A1110     1555   1555  2.11  
LINK         OG  SER B 235                MG    MG B 802     1555   1555  2.15  
LINK         O3G ANP B 801                MG    MG B 802     1555   1555  1.97  
LINK         O2B ANP B 801                MG    MG B 802     1555   1555  2.13  
LINK        MG    MG B 802                 O   HOH B1022     1555   1555  2.11  
LINK        MG    MG B 802                 O   HOH B1100     1555   1555  2.13  
LINK        MG    MG B 802                 O   HOH B1110     1555   1555  2.07  
SITE     1 AC1 28 MET A 205  GLN A 206  GLN A 211  ALA A 230                    
SITE     2 AC1 28 GLY A 231  THR A 232  GLY A 233  LYS A 234                    
SITE     3 AC1 28 SER A 235  TYR A 236  GLU A 307  GLN A 346                    
SITE     4 AC1 28 TRP A 380  ARG A 381  GLY A 559  ARG A 584                    
SITE     5 AC1 28  MG A 802  HOH A 910  HOH A 922  HOH A 998                    
SITE     6 AC1 28 HOH A1021  HOH A1051  HOH A1057  HOH A1084                    
SITE     7 AC1 28 HOH A1098  HOH A1110  HOH A1150  HOH A1192                    
SITE     1 AC2  5 SER A 235  ANP A 801  HOH A1051  HOH A1098                    
SITE     2 AC2  5 HOH A1110                                                     
SITE     1 AC3  4 GLY A 397  CYS A 399  LYS B 220  GLN B 222                    
SITE     1 AC4  5 SER A 568  GLY A 570  ARG A 571  PRO B 280                    
SITE     2 AC4  5 GLY B 617                                                     
SITE     1 AC5  5 GLN A 429  MET A 552  SER A 553  LYS A 556                    
SITE     2 AC5  5 HOH A1463                                                     
SITE     1 AC6  4 LYS A 414  GLY A 416  ARG A 592  HOH A1211                    
SITE     1 AC7  4 ARG A 216  LYS A 220  GLY B 397  HOH B1142                    
SITE     1 AC8 27 MET B 205  GLN B 206  GLN B 211  ALA B 230                    
SITE     2 AC8 27 GLY B 231  THR B 232  GLY B 233  LYS B 234                    
SITE     3 AC8 27 SER B 235  TYR B 236  GLU B 307  GLN B 346                    
SITE     4 AC8 27 TRP B 380  ARG B 381  GLY B 559  ARG B 584                    
SITE     5 AC8 27  MG B 802  HOH B 908  HOH B 919  HOH B1004                    
SITE     6 AC8 27 HOH B1014  HOH B1022  HOH B1039  HOH B1073                    
SITE     7 AC8 27 HOH B1100  HOH B1110  HOH B1152                               
SITE     1 AC9  5 SER B 235  ANP B 801  HOH B1022  HOH B1100                    
SITE     2 AC9  5 HOH B1110                                                     
SITE     1 AD1  4 LYS A 220  GLN A 222  GLY B 397  CYS B 399                    
SITE     1 AD2  3 GLN A 283  GLY A 617  HOH A1238                               
SITE     1 AD3  3 GLN B 283  GLY B 617  HOH B1312                               
SITE     1 AD4 11 GLN A 278  PRO A 280  GLY A 617  SER A 619                    
SITE     2 AD4 11 ARG B 424  SER B 568  LEU B 569  GLY B 570                    
SITE     3 AD4 11 VAL B 572  PHE B 573  ALA B 600                               
CRYST1   73.250   76.820  142.540  90.00  90.00  90.00 P 21 21 21    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      0.013652  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013017  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007016        0.00000