HEADER    HYDROLASE                               02-DEC-14   4X4A              
TITLE     CRYSTAL STRUCTURE OF THE INTRAMOLECULAR TRANS-SIALIDASE FROM          
TITLE    2 RUMINOCOCCUS GNAVUS IN COMPLEX WITH 2,7-ANHYDRO-NEU5AC               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ANHYDROSIALIDASE;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 243-723;                                      
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RUMINOCOCCUS GNAVUS ATCC 29149;                 
SOURCE   3 ORGANISM_TAXID: 411470;                                              
SOURCE   4 GENE: HMPREF1201_01421;                                              
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    INTRAMOLECULAR, TRANS-SIALIDASE, SIALIDASE, NEURAMINIDASE, 2-7-       
KEYWDS   2 ANHYDRO-NEU5AC, REACTION PRODUCT, HYDROLASE, ANHYDROSIALDIASE        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.D.OWEN,L.E.TAILFORD,G.L.TAYLOR,N.JUGE                               
REVDAT   4   08-MAY-24 4X4A    1       REMARK                                   
REVDAT   3   21-NOV-18 4X4A    1       SOURCE                                   
REVDAT   2   30-AUG-17 4X4A    1       REMARK SITE   ATOM                       
REVDAT   1   22-JUL-15 4X4A    0                                                
JRNL        AUTH   L.E.TAILFORD,C.D.OWEN,J.WALSHAW,E.H.CROST,J.HARDY-GODDARD,   
JRNL        AUTH 2 G.LE GALL,W.M.DE VOS,G.L.TAYLOR,N.JUGE                       
JRNL        TITL   DISCOVERY OF INTRAMOLECULAR TRANS-SIALIDASES IN HUMAN GUT    
JRNL        TITL 2 MICROBIOTA SUGGESTS NOVEL MECHANISMS OF MUCOSAL ADAPTATION.  
JRNL        REF    NAT COMMUN                    V.   6  7624 2015              
JRNL        REFN                   ESSN 2041-1723                               
JRNL        PMID   26154892                                                     
JRNL        DOI    10.1038/NCOMMS8624                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.71 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0073                                      
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) : 1.71                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 45.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 45702                          
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) : 0.145                           
REMARK   3   R VALUE            (WORKING SET) : 0.143                           
REMARK   3   FREE R VALUE                     : 0.188                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.700                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2250                            
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) : 1.71                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.76                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2015                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 54.96                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2640                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 86                           
REMARK   3   BIN FREE R VALUE                    : 0.2960                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3779                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 46                                      
REMARK   3   SOLVENT ATOMS            : 529                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.96                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.73000                                              
REMARK   3    B22 (A**2) : 0.73000                                              
REMARK   3    B33 (A**2) : -2.36000                                             
REMARK   3    B12 (A**2) : 0.36000                                              
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): 0.101         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.104         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.077         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.420         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.980                         
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):  3972 ; 0.019 ; 0.020       
REMARK   3   BOND LENGTHS OTHERS               (A):  3589 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5397 ; 1.891 ; 1.960       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  8308 ; 0.883 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   497 ; 7.781 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   185 ;37.169 ;25.459       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   644 ;12.388 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    11 ;18.251 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   577 ; 0.122 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4594 ; 0.010 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   898 ; 0.001 ; 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):  1974 ; 2.516 ; 2.755       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1975 ; 2.515 ; 2.756       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2475 ; 3.238 ; 4.121       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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 ADDED IN THE RIDING   
REMARK   3  POSITIONS U VALUES : REFINED INDIVIDUALLY                           
REMARK   4                                                                      
REMARK   4 4X4A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-DEC-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000205061.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-AUG-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007 HF             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54178                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU SATURN 944                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 48126                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.710                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.9                               
REMARK 200  DATA REDUNDANCY                : 4.200                              
REMARK 200  R MERGE                    (I) : 0.04900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.71                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.74                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 53.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.42100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER 2.5.6                                          
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.36                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MICRO SEEDING INTO 0.8 M NAH2PO4, 1.2M   
REMARK 280  K2HPO4, SODIUM ACETATE 0.1M PH 4.5, VAPOR DIFFUSION, SITTING        
REMARK 280  DROP, TEMPERATURE 293K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       49.62850            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       28.65303            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       43.53300            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       49.62850            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       28.65303            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       43.53300            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       49.62850            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       28.65303            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       43.53300            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       57.30606            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       87.06600            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       57.30606            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       87.06600            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       57.30606            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       87.06600            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1720 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17810 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     GLY A   235                                                      
REMARK 465     ASP A   239                                                      
REMARK 465     ILE A   240                                                      
REMARK 465     GLY A   241                                                      
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    HOH A   971     O    HOH A  1080              1.54            
REMARK 500   O    HOH A   914     O    HOH A  1166              1.59            
REMARK 500   O    HOH A  1217     O    HOH A  1312              1.60            
REMARK 500   O    HOH A  1193     O    HOH A  1311              1.61            
REMARK 500   O    HOH A  1002     O    HOH A  1340              1.64            
REMARK 500   O    HOH A  1161     O    HOH A  1345              1.68            
REMARK 500   O    HOH A  1132     O    HOH A  1328              1.69            
REMARK 500   O    HOH A   960     O    HOH A  1166              1.85            
REMARK 500   O    HOH A  1142     O    HOH A  1346              1.88            
REMARK 500   O    HOH A   922     O    HOH A  1242              1.94            
REMARK 500   O    HOH A   949     O    HOH A   963              1.94            
REMARK 500   O    HOH A   962     O    HOH A  1389              1.96            
REMARK 500   O    HOH A   966     O    HOH A  1162              1.98            
REMARK 500   O    HOH A   964     O    HOH A  1311              1.99            
REMARK 500   O    HOH A  1284     O    HOH A  1307              2.00            
REMARK 500   O    HOH A  1184     O    HOH A  1323              2.02            
REMARK 500   O    HOH A  1025     O    HOH A  1191              2.02            
REMARK 500   O    HOH A   910     O    HOH A  1126              2.10            
REMARK 500   O    HOH A  1250     O    HOH A  1340              2.13            
REMARK 500   O    HOH A  1042     O    HOH A  1363              2.14            
REMARK 500   O    HOH A  1030     O    HOH A  1332              2.15            
REMARK 500   O    HOH A  1206     O    HOH A  1224              2.15            
REMARK 500   O    HOH A  1266     O    HOH A  1364              2.18            
REMARK 500   O    HOH A   905     O    HOH A  1080              2.19            
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   OH   TYR A   394     OE1  GLN A   551     2645     1.86            
REMARK 500   O    HOH A   969     O    HOH A  1312     2645     2.09            
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    ASP A 274   CB  -  CG  -  OD1 ANGL. DEV. =   8.4 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    ILE A 258       67.38     74.25                                   
REMARK 500    SER A 285     -164.85   -167.88                                   
REMARK 500    ASP A 339       79.70     72.65                                   
REMARK 500    TYR A 394       78.70   -117.52                                   
REMARK 500    ASN A 426       55.76     35.67                                   
REMARK 500    SER A 491       35.37    -92.86                                   
REMARK 500    SER A 528     -165.57   -166.75                                   
REMARK 500    GLU A 531      -72.90   -109.11                                   
REMARK 500    ASP A 669     -169.82   -161.29                                   
REMARK 500    SER A 676     -115.44   -113.92                                   
REMARK 500    LYS A 694       59.29    -97.04                                   
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 A1426        DISTANCE =  6.19 ANGSTROMS                       
REMARK 525    HOH A1427        DISTANCE =  6.44 ANGSTROMS                       
REMARK 525    HOH A1428        DISTANCE =  6.49 ANGSTROMS                       
REMARK 525    HOH A1429        DISTANCE =  6.93 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SKD A 801                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 802                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 803                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 804                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue PO4 A 805                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ACE A 806                 
DBREF  4X4A A  243   723  UNP    V8BWT1   V8BWT1_RUMGN   243    723             
SEQADV 4X4A GLY A  235  UNP  V8BWT1              EXPRESSION TAG                 
SEQADV 4X4A ALA A  236  UNP  V8BWT1              EXPRESSION TAG                 
SEQADV 4X4A MET A  237  UNP  V8BWT1              EXPRESSION TAG                 
SEQADV 4X4A ALA A  238  UNP  V8BWT1              EXPRESSION TAG                 
SEQADV 4X4A ASP A  239  UNP  V8BWT1              EXPRESSION TAG                 
SEQADV 4X4A ILE A  240  UNP  V8BWT1              EXPRESSION TAG                 
SEQADV 4X4A GLY A  241  UNP  V8BWT1              EXPRESSION TAG                 
SEQADV 4X4A SER A  242  UNP  V8BWT1              EXPRESSION TAG                 
SEQRES   1 A  489  GLY ALA MET ALA ASP ILE GLY SER ASN ILE PHE TYR ALA          
SEQRES   2 A  489  GLY ASP ALA THR LYS SER ASN TYR PHE ARG ILE PRO SER          
SEQRES   3 A  489  LEU LEU ALA LEU ASP SER GLY THR VAL ILE ALA ALA ALA          
SEQRES   4 A  489  ASP ALA ARG TYR GLY GLY THR HIS ASP ALA LYS SER LYS          
SEQRES   5 A  489  ILE ASN THR ALA PHE ALA LYS SER THR ASP GLY GLY LYS          
SEQRES   6 A  489  THR TRP GLY GLN PRO THR LEU PRO LEU LYS PHE ASP ASP          
SEQRES   7 A  489  TYR VAL ALA LYS ASN ILE ASP TRP PRO ARG ASP SER VAL          
SEQRES   8 A  489  GLY LYS ASN VAL GLN ILE GLN GLY SER ALA SER TYR ILE          
SEQRES   9 A  489  ASP PRO VAL LEU LEU GLU ASP LYS GLU THR HIS ARG VAL          
SEQRES  10 A  489  PHE LEU PHE ALA ASP MET MET PRO ALA GLY ILE GLY SER          
SEQRES  11 A  489  SER ASN ALA SER VAL GLY SER GLY PHE LYS GLU VAL ASP          
SEQRES  12 A  489  GLY LYS LYS TYR LEU LYS LEU HIS TRP LYS ASP ASP ALA          
SEQRES  13 A  489  ALA GLY THR TYR ASP TYR SER VAL ARG GLU ASN GLY THR          
SEQRES  14 A  489  ILE TYR ASN ASP THR THR ASN SER ALA THR GLU TYR SER          
SEQRES  15 A  489  VAL ASP GLY GLU TYR ASN LEU TYR LYS ASN GLY ASN ALA          
SEQRES  16 A  489  MET LEU CYS LYS GLN TYR ASP TYR ASN PHE GLU GLY THR          
SEQRES  17 A  489  LYS LEU LEU GLU THR GLN THR ASP THR ASP VAL ASN MET          
SEQRES  18 A  489  ASN VAL PHE TYR LYS ASP ALA ASP PHE LYS VAL PHE PRO          
SEQRES  19 A  489  THR THR TYR LEU ALA MET LYS TYR SER ASP ASP GLU GLY          
SEQRES  20 A  489  GLU THR TRP SER ASP LEU GLN ILE VAL SER THR PHE LYS          
SEQRES  21 A  489  PRO GLU GLU SER LYS PHE LEU VAL LEU GLY PRO GLY VAL          
SEQRES  22 A  489  GLY LYS GLN ILE ALA ASN GLY GLU HIS ALA GLY ARG LEU          
SEQRES  23 A  489  ILE VAL PRO LEU TYR SER LYS SER SER ALA GLU LEU GLY          
SEQRES  24 A  489  PHE MET TYR SER ASP ASP HIS GLY ASN ASN TRP THR TYR          
SEQRES  25 A  489  VAL GLU ALA ASP GLN ASN THR GLY GLY ALA THR ALA GLU          
SEQRES  26 A  489  ALA GLN ILE VAL GLU MET PRO ASP GLY SER LEU LYS THR          
SEQRES  27 A  489  TYR LEU ARG THR GLY SER GLY TYR ILE ALA GLN VAL MET          
SEQRES  28 A  489  SER THR ASP GLY GLY GLU THR TRP SER GLU ARG VAL PRO          
SEQRES  29 A  489  LEU THR GLU ILE ALA THR THR GLY TYR GLY THR GLN LEU          
SEQRES  30 A  489  SER VAL ILE ASN TYR SER GLN PRO VAL ASP GLY LYS PRO          
SEQRES  31 A  489  ALA ILE LEU LEU SER ALA PRO ASN ALA THR ASN GLY ARG          
SEQRES  32 A  489  LYS ASN GLY LYS ILE TRP ILE GLY LEU ILE SER GLU THR          
SEQRES  33 A  489  GLY ASN SER GLY LYS ASP LYS TYR SER VAL ASP TRP LYS          
SEQRES  34 A  489  TYR CYS TYR SER VAL ASP THR PRO GLN MET GLY TYR SER          
SEQRES  35 A  489  TYR SER CYS LEU THR GLU LEU PRO ASP GLY GLU ILE GLY          
SEQRES  36 A  489  LEU LEU TYR GLU LYS TYR ASP SER TRP SER ARG ASN GLU          
SEQRES  37 A  489  LEU HIS LEU LYS ASN ILE LEU LYS TYR GLU ARG PHE ASN          
SEQRES  38 A  489  ILE ASP GLU LEU LYS VAL GLN PRO                              
HET    SKD  A 801      20                                                       
HET    GOL  A 802       6                                                       
HET    GOL  A 803       6                                                       
HET    GOL  A 804       6                                                       
HET    PO4  A 805       5                                                       
HET    ACE  A 806       3                                                       
HETNAM     SKD 2-ACETYLAMINO-7-(1,2-DIHYDROXY-ETHYL)-3-HYDROXY-6,8-             
HETNAM   2 SKD  DIOXA-BICYCLO[3.2.1]OCTANE-5-CARBOXYLIC ACID                    
HETNAM     GOL GLYCEROL                                                         
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     ACE ACETYL GROUP                                                     
HETSYN     SKD 2,7-ANHYDRO-NEU5AC                                               
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2  SKD    C11 H17 N O8                                                 
FORMUL   3  GOL    3(C3 H8 O3)                                                  
FORMUL   6  PO4    O4 P 3-                                                      
FORMUL   7  ACE    C2 H4 O                                                      
FORMUL   8  HOH   *529(H2 O)                                                    
HELIX    1 AA1 VAL A  325  VAL A  329  5                                   5    
HELIX    2 AA2 GLY A  363  ALA A  367  5                                   5    
HELIX    3 AA3 SER A  491  LYS A  494  5                                   4    
HELIX    4 AA4 SER A  653  ASP A  656  5                                   4    
HELIX    5 AA5 ASN A  715  LYS A  720  1                                   6    
SHEET    1 AA1 4 TYR A 255  ALA A 263  0                                        
SHEET    2 AA1 4 VAL A 269  ARG A 276 -1  O  ILE A 270   N  LEU A 262           
SHEET    3 AA1 4 ILE A 287  SER A 294 -1  O  ASN A 288   N  ALA A 275           
SHEET    4 AA1 4 THR A 305  LEU A 308 -1  O  LEU A 308   N  THR A 289           
SHEET    1 AA2 5 GLN A 488  ILE A 489  0                                        
SHEET    2 AA2 5 TYR A 471  SER A 477 -1  N  MET A 474   O  GLN A 488           
SHEET    3 AA2 5 ARG A 350  MET A 358 -1  N  ALA A 355   O  ALA A 473           
SHEET    4 AA2 5 SER A 336  ASP A 345 -1  N  SER A 336   O  MET A 358           
SHEET    5 AA2 5 GLY A 506  VAL A 507  1  O  GLY A 506   N  PRO A 340           
SHEET    1 AA3 7 PHE A 373  VAL A 376  0                                        
SHEET    2 AA3 7 LYS A 379  TRP A 386 -1  O  LYS A 379   N  VAL A 376           
SHEET    3 AA3 7 TYR A 396  VAL A 398 -1  O  TYR A 396   N  LEU A 384           
SHEET    4 AA3 7 THR A 403  ASN A 406 -1  O  TYR A 405   N  SER A 397           
SHEET    5 AA3 7 SER A 411  VAL A 417 -1  O  THR A 413   N  ILE A 404           
SHEET    6 AA3 7 LEU A 423  LYS A 425 -1  O  TYR A 424   N  SER A 416           
SHEET    7 AA3 7 ASN A 428  ALA A 429 -1  O  ASN A 428   N  LYS A 425           
SHEET    1 AA4 3 PHE A 373  VAL A 376  0                                        
SHEET    2 AA4 3 LYS A 379  TRP A 386 -1  O  LYS A 379   N  VAL A 376           
SHEET    3 AA4 3 PHE A 464  VAL A 466 -1  O  LYS A 465   N  HIS A 385           
SHEET    1 AA5 2 LEU A 431  GLU A 440  0                                        
SHEET    2 AA5 2 LYS A 443  ASN A 454 -1  O  LEU A 445   N  ASN A 438           
SHEET    1 AA6 3 PHE A 500  LEU A 503  0                                        
SHEET    2 AA6 3 LEU A 520  LYS A 527 -1  O  TYR A 525   N  VAL A 502           
SHEET    3 AA6 3 LYS A 509  GLN A 510 -1  N  LYS A 509   O  ILE A 521           
SHEET    1 AA7 4 PHE A 500  LEU A 503  0                                        
SHEET    2 AA7 4 LEU A 520  LYS A 527 -1  O  TYR A 525   N  VAL A 502           
SHEET    3 AA7 4 LEU A 532  SER A 537 -1  O  MET A 535   N  VAL A 522           
SHEET    4 AA7 4 THR A 545  GLU A 548 -1  O  VAL A 547   N  PHE A 534           
SHEET    1 AA8 4 ALA A 560  GLU A 564  0                                        
SHEET    2 AA8 4 LEU A 570  LEU A 574 -1  O  LYS A 571   N  VAL A 563           
SHEET    3 AA8 4 ILE A 581  SER A 586 -1  O  VAL A 584   N  THR A 572           
SHEET    4 AA8 4 VAL A 597  LEU A 599 -1  O  LEU A 599   N  ILE A 581           
SHEET    1 AA9 4 SER A 612  VAL A 620  0                                        
SHEET    2 AA9 4 LYS A 623  ALA A 630 -1  O  SER A 629   N  SER A 612           
SHEET    3 AA9 4 LYS A 641  GLU A 649 -1  O  TRP A 643   N  LEU A 628           
SHEET    4 AA9 4 TYR A 658  SER A 667 -1  O  SER A 659   N  SER A 648           
SHEET    1 AB1 3 SER A 678  GLU A 682  0                                        
SHEET    2 AB1 3 ILE A 688  GLU A 693 -1  O  GLY A 689   N  THR A 681           
SHEET    3 AB1 3 LEU A 709  PHE A 714 -1  O  PHE A 714   N  ILE A 688           
CISPEP   1 ALA A  283    LYS A  284          0         0.86                     
SITE     1 AC1 17 ARG A 257  ILE A 258  ARG A 276  ASP A 282                    
SITE     2 AC1 17 ASP A 339  ASP A 356  SER A 364  THR A 557                    
SITE     3 AC1 17 GLU A 559  ARG A 575  ARG A 637  TYR A 677                    
SITE     4 AC1 17 TRP A 698  HOH A1037  HOH A 935  HOH A 910                    
SITE     5 AC1 17 HOH A1126                                                     
SITE     1 AC2  7 LYS A 309  PHE A 310  ASP A 311  TYR A 337                    
SITE     2 AC2  7 GLU A 420  TYR A 459  LEU A 487                               
SITE     1 AC3  6 SER A 477  ASP A 478  ASP A 479  THR A 483                    
SITE     2 AC3  6 HOH A 933  HOH A1063                                          
SITE     1 AC4  7 SER A 242  LYS A 299  GLU A 400  TYR A 711                    
SITE     2 AC4  7 ARG A 713  HOH A1195  HOH A 907                               
SITE     1 AC5  9 GLU A 531  ASN A 552  ALA A 556  THR A 576                    
SITE     2 AC5  9 GLY A 577  SER A 578  ARG A 596  HOH A1065                    
SITE     3 AC5  9 HOH A1143                                                     
SITE     1 AC6  3 LYS A 460  ASP A 461  GLU A 595                               
CRYST1   99.257   99.257  130.599  90.00  90.00 120.00 H 3           9          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.010075  0.005817  0.000000        0.00000                         
SCALE2      0.000000  0.011633  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007657        0.00000