HEADER    HYDROLASE/RNA                           23-JAN-15   4S2X              
TITLE     STRUCTURE OF E. COLI RPPH BOUND TO RNA AND TWO MAGNESIUM IONS         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RNA PYROPHOSPHOHYDROLASE;                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: (DI)NUCLEOSIDE POLYPHOSPHATE HYDROLASE, AP5A                
COMPND   5 PYROPHOSPHATASE;                                                     
COMPND   6 EC: 3.6.1.-;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES;                                                       
COMPND   9 MOL_ID: 2;                                                           
COMPND  10 MOLECULE: RNA (5'-R(*(APC)*GP*U)-3');                                
COMPND  11 CHAIN: B;                                                            
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K12;                                                         
SOURCE   5 GENE: RPPH, NUDH, YGDP, B2830, JW2798;                               
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 SYNTHETIC: YES;                                                      
SOURCE  10 OTHER_DETAILS: PREPARED BY IN VITRO TRANSCRIPTION                    
KEYWDS    NUDIX HYDROLASE, RNA PYROPHOSPHOHYDROLASE, HYDROLASE-RNA COMPLEX      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.VASILYEV,A.SERGANOV                                                 
REVDAT   4   20-SEP-23 4S2X    1       REMARK SEQADV LINK                       
REVDAT   3   06-MAY-15 4S2X    1       JRNL                                     
REVDAT   2   25-FEB-15 4S2X    1       JRNL                                     
REVDAT   1   11-FEB-15 4S2X    0                                                
JRNL        AUTH   N.VASILYEV,A.SERGANOV                                        
JRNL        TITL   STRUCTURES OF RNA COMPLEXES WITH THE ESCHERICHIA COLI RNA    
JRNL        TITL 2 PYROPHOSPHOHYDROLASE RPPH UNVEIL THE BASIS FOR SPECIFIC      
JRNL        TITL 3 5'-END-DEPENDENT MRNA DECAY.                                 
JRNL        REF    J.BIOL.CHEM.                  V. 290  9487 2015              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   25657011                                                     
JRNL        DOI    10.1074/JBC.M114.634824                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.6.0117                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.43                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 24889                          
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) : 0.190                           
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.216                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1310                            
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) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.54                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1695                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 91.68                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4500                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 90                           
REMARK   3   BIN FREE R VALUE                    : 0.3920                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1261                                    
REMARK   3   NUCLEIC ACID ATOMS       : 54                                      
REMARK   3   HETEROGEN ATOMS          : 12                                      
REMARK   3   SOLVENT ATOMS            : 109                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.22                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.85000                                             
REMARK   3    B22 (A**2) : 1.48000                                              
REMARK   3    B33 (A**2) : -0.92000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.82000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.106         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.082         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.063         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.851         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.969                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.964                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1433 ; 0.005 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1969 ; 0.998 ; 1.945       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   171 ; 6.360 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    69 ;33.797 ;23.478       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   218 ;11.022 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;19.752 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   202 ; 0.068 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1112 ; 0.004 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  1432 ; 2.741 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):    33 ;28.598 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  1468 ;18.384 ; 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 : MASK                                                 
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 USED IF PRESENT IN    
REMARK   3  THE INPUT                                                           
REMARK   4                                                                      
REMARK   4 4S2X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JAN-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000088112.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-APR-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X25                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.1                                
REMARK 200  MONOCHROMATOR                  : SI-111 DOUBLE CRYSTAL              
REMARK 200                                   MONOCHROMATOR                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26252                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.5                               
REMARK 200  DATA REDUNDANCY                : 6.600                              
REMARK 200  R MERGE                    (I) : 0.04100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.59600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.650                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHENIX                                                
REMARK 200 STARTING MODEL: PDB ENTRY 4S2W                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.56                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTAL GROWTH: 0.4 M AMMONIUM           
REMARK 280  SULFATE, 12% PEG 3350, 10%GLYCEROL. CRYSTAL SOAKING: 0.05 M MOPS-   
REMARK 280  NA PH 7.0, 0.05 M AMMONIUM SULFATE, 0.05 M MAGNESIUM CHLORIDE,      
REMARK 280  15% PEG3350 AND 25% PENTAERYTHRITOL PROPOXYLATE 5/4 PO/OH, VAPOR    
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 295K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       39.24950            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       19.43400            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       39.24950            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       19.43400            
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 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     TRP A    87                                                      
REMARK 465     ASP A    88                                                      
REMARK 465     THR A    89                                                      
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     GLN A  20    CG   CD   OE1  NE2                                  
REMARK 470     LYS A  64    CD   CE   NZ                                        
REMARK 470     ARG A  73    CD   NE   CZ   NH1  NH2                             
REMARK 470     LYS A  79    CG   CD   CE   NZ                                   
REMARK 470     LYS A  82    CG   CD   CE   NZ                                   
REMARK 470     ARG A  83    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG A  86    CD   NE   CZ   NH1  NH2                             
REMARK 470     LYS A  90    CG   CD   CE   NZ                                   
REMARK 470     ARG A 135    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 150    CG   CD   CE   NZ                                   
REMARK 470     APC B   1    PG   O1G  O2G  O3G                                  
REMARK 470       U B   3    C5'  C4'  O4'  C3'  O3'  C2'  O2'                   
REMARK 470       U B   3    C1'  N1   C2   O2   N3   C4   O4                    
REMARK 470       U B   3    C5   C6                                             
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    ASN A  18     -164.29   -113.33                                   
REMARK 500    ASN A  74     -166.56   -116.06                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 202  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLN A  38   O                                                      
REMARK 620 2 GLU A  58   OE2  83.4                                              
REMARK 620 3 GLU A 121   OE1 172.9  92.5                                        
REMARK 620 4 GLU A 121   OE2  89.5  89.2  84.6                                  
REMARK 620 5 APC B   1   O1B  92.0  80.1  93.0 168.9                            
REMARK 620 6 HOH B 102   O    92.6 176.0  91.5  90.6 100.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 201  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  54   OE1                                                    
REMARK 620 2 GLU A  54   OE1  41.7                                              
REMARK 620 3 GLU A  57   OE1  83.5  86.1                                        
REMARK 620 4 GLU A  58   OE2  80.4  40.0 102.0                                  
REMARK 620 5 GLU A 121   OE2 169.6 133.2  87.2  97.2                            
REMARK 620 6 SO4 A 204   O2   64.9 104.5 103.1 133.8 122.0                      
REMARK 620 7 HOH A 374   O    99.7 137.3  68.6 170.5  81.0  52.9                
REMARK 620 8 APC B   1   O1B  97.2  99.3 172.6  85.3  92.6  70.8 104.1          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 202                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 204                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4S2V   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4S2W   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4S2Y   RELATED DB: PDB                                   
DBREF  4S2X A    2   161  UNP    P0A776   RPPH_ECOLI       1    160             
DBREF  4S2X B    1     3  PDB    4S2X     4S2X             1      3             
SEQADV 4S2X SER A    1  UNP  P0A776              EXPRESSION TAG                 
SEQADV 4S2X ALA A  160  UNP  P0A776    GLN   159 ENGINEERED MUTATION            
SEQADV 4S2X ALA A  161  UNP  P0A776    GLU   160 ENGINEERED MUTATION            
SEQRES   1 A  161  SER MET ILE ASP ASP ASP GLY TYR ARG PRO ASN VAL GLY          
SEQRES   2 A  161  ILE VAL ILE CYS ASN ARG GLN GLY GLN VAL MET TRP ALA          
SEQRES   3 A  161  ARG ARG PHE GLY GLN HIS SER TRP GLN PHE PRO GLN GLY          
SEQRES   4 A  161  GLY ILE ASN PRO GLY GLU SER ALA GLU GLN ALA MET TYR          
SEQRES   5 A  161  ARG GLU LEU PHE GLU GLU VAL GLY LEU SER ARG LYS ASP          
SEQRES   6 A  161  VAL ARG ILE LEU ALA SER THR ARG ASN TRP LEU ARG TYR          
SEQRES   7 A  161  LYS LEU PRO LYS ARG LEU VAL ARG TRP ASP THR LYS PRO          
SEQRES   8 A  161  VAL CYS ILE GLY GLN LYS GLN LYS TRP PHE LEU LEU GLN          
SEQRES   9 A  161  LEU VAL SER GLY ASP ALA GLU ILE ASN MET GLN THR SER          
SEQRES  10 A  161  SER THR PRO GLU PHE ASP GLY TRP ARG TRP VAL SER TYR          
SEQRES  11 A  161  TRP TYR PRO VAL ARG GLN VAL VAL SER PHE LYS ARG ASP          
SEQRES  12 A  161  VAL TYR ARG ARG VAL MET LYS GLU PHE ALA SER VAL VAL          
SEQRES  13 A  161  MET SER LEU ALA ALA                                          
SEQRES   1 B    3  APC   G   U                                                  
HET    APC  B   1      27                                                       
HET     MG  A 201       1                                                       
HET     MG  A 202       1                                                       
HET    SO4  A 203       5                                                       
HET    SO4  A 204       5                                                       
HETNAM     APC DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER                    
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     SO4 SULFATE ION                                                      
HETSYN     APC ALPHA,BETA-METHYLENEADENOSINE-5'-TRIPHOSPHATE                    
FORMUL   2  APC    C11 H18 N5 O12 P3                                            
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   5  SO4    2(O4 S 2-)                                                   
FORMUL   7  HOH   *109(H2 O)                                                    
HELIX    1   1 SER A   46  GLY A   60  1                                  15    
HELIX    2   2 SER A   62  LYS A   64  5                                   3    
HELIX    3   3 PRO A   81  VAL A   85  5                                   5    
HELIX    4   4 GLY A  108  ILE A  112  5                                   5    
HELIX    5   5 TRP A  131  VAL A  137  1                                   7    
HELIX    6   6 VAL A  138  PHE A  140  5                                   3    
HELIX    7   7 LYS A  141  ALA A  161  1                                  21    
SHEET    1   A 4 GLN A  38  GLY A  40  0                                        
SHEET    2   A 4 TYR A   8  CYS A  17 -1  N  VAL A  12   O  GLY A  39           
SHEET    3   A 4 GLY A  95  LEU A 105  1  O  LEU A 103   N  CYS A  17           
SHEET    4   A 4 VAL A  66  SER A  71 -1  N  LEU A  69   O  LEU A 102           
SHEET    1   B 4 GLN A  38  GLY A  40  0                                        
SHEET    2   B 4 TYR A   8  CYS A  17 -1  N  VAL A  12   O  GLY A  39           
SHEET    3   B 4 GLY A  95  LEU A 105  1  O  LEU A 103   N  CYS A  17           
SHEET    4   B 4 LEU A  76  LYS A  79 -1  N  LEU A  76   O  GLN A  98           
SHEET    1   C 3 TRP A  34  GLN A  35  0                                        
SHEET    2   C 3 GLN A  22  ARG A  28 -1  N  ALA A  26   O  GLN A  35           
SHEET    3   C 3 PHE A 122  SER A 129 -1  O  ARG A 126   N  TRP A  25           
LINK         O3' APC B   1                 P     G B   2     1555   1555  1.61  
LINK         O   GLN A  38                MG    MG A 202     1555   1555  1.97  
LINK         OE1AGLU A  54                MG    MG A 201     1555   1555  2.45  
LINK         OE1BGLU A  54                MG    MG A 201     1555   1555  2.74  
LINK         OE1AGLU A  57                MG    MG A 201     1555   1555  2.18  
LINK         OE2AGLU A  58                MG    MG A 201     1555   1555  2.06  
LINK         OE2AGLU A  58                MG    MG A 202     1555   1555  2.38  
LINK         OE2AGLU A 121                MG    MG A 201     1555   1555  1.87  
LINK         OE1AGLU A 121                MG    MG A 202     1555   1555  2.00  
LINK         OE2BGLU A 121                MG    MG A 202     1555   1555  2.71  
LINK        MG    MG A 201                 O2  SO4 A 204     1555   1555  2.92  
LINK        MG    MG A 201                 O   HOH A 374     1555   1555  2.64  
LINK        MG    MG A 201                 O1B APC B   1     1555   1555  2.07  
LINK        MG    MG A 202                 O1B APC B   1     1555   1555  1.93  
LINK        MG    MG A 202                 O   HOH B 102     1555   1555  1.98  
CISPEP   1 LYS A   90    PRO A   91          0        -2.17                     
SITE     1 AC1  8 GLU A  54  GLU A  57  GLU A  58  GLU A 121                    
SITE     2 AC1  8  MG A 202  SO4 A 204  HOH A 374  APC B   1                    
SITE     1 AC2  6 GLN A  38  GLU A  58  GLU A 121   MG A 201                    
SITE     2 AC2  6 APC B   1  HOH B 102                                          
SITE     1 AC3  4 ASN A  18  ARG A  19  GLN A  20  HOH A 332                    
SITE     1 AC4  9 ARG A   9  GLY A  40  ARG A  53  GLU A  54                    
SITE     2 AC4  9 GLU A  57   MG A 201  HOH A 374  HOH A 381                    
SITE     3 AC4  9 APC B   1                                                     
CRYST1   78.499   38.868   57.201  90.00 100.13  90.00 C 1 2 1       4          
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      0.012739  0.000000  0.002275        0.00000                         
SCALE2      0.000000  0.025728  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.017759        0.00000