HEADER    HYDROLASE                               13-NOV-21   7VXT              
TITLE     CRYSTAL STRUCTURE OF A SELENOMETHIONINE-LABELED BPSL1038 FROM         
TITLE    2 BURKHOLDERIA PSEUDOMALLEI                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BPSL1038;                                                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BURKHOLDERIA PSEUDOMALLEI K96243;               
SOURCE   3 ORGANISM_TAXID: 272560;                                              
SOURCE   4 STRAIN: K96243;                                                      
SOURCE   5 GENE: BPSL1038;                                                      
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: B834;                                      
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET28B                                    
KEYWDS    NUCLEASE, CAS2, DSST MOTIF, HYDROLASE                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.SHAIBULLAH,M.MOHD-SHARIF,K.L.HO,M.FIRDAUS-RAIH,S.NATHAN,R.MOHAMED,  
AUTHOR   2 A.K.TEH,J.WATERMAN,C.L.NG                                            
REVDAT   3   15-NOV-23 7VXT    1       REMARK                                   
REVDAT   2   20-SEP-23 7VXT    1       TITLE  JRNL                              
REVDAT   1   16-AUG-23 7VXT    0                                                
JRNL        AUTH   S.SHAIBULLAH,N.SHUHAIMI,D.S.KER,N.MOHD-SHARIF,K.L.HO,        
JRNL        AUTH 2 A.H.TEH,J.WATERMAN,T.H.TANG,R.R.WONG,S.NATHAN,R.MOHAMED,     
JRNL        AUTH 3 M.J.NG,S.Y.FUNG,M.A.JONET,M.FIRDAUS-RAIH,C.L.NG              
JRNL        TITL   STRUCTURAL AND FUNCTIONAL ANALYSES OF BURKHOLDERIA           
JRNL        TITL 2 PSEUDOMALLEI BPSL1038 REVEAL A CAS-2/VAPD NUCLEASE           
JRNL        TITL 3 SUB-FAMILY.                                                  
JRNL        REF    COMMUN BIOL                   V.   6   920 2023              
JRNL        REFN                   ESSN 2399-3642                               
JRNL        PMID   37684342                                                     
JRNL        DOI    10.1038/S42003-023-05265-4                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.88 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) : 1.88                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 28.97                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 18347                          
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) : 0.149                           
REMARK   3   R VALUE            (WORKING SET) : 0.148                           
REMARK   3   FREE R VALUE                     : 0.178                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1016                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.88                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.93                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1276                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.11                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2570                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 59                           
REMARK   3   BIN FREE R VALUE                    : 0.2930                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1472                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 22                                      
REMARK   3   SOLVENT ATOMS            : 158                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 32.85                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.01000                                              
REMARK   3    B22 (A**2) : -2.39000                                             
REMARK   3    B33 (A**2) : -0.62000                                             
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): 0.110         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.105         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.083         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.974         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.974                         
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):  1606 ; 0.020 ; 0.020       
REMARK   3   BOND LENGTHS OTHERS               (A):  1494 ; 0.006 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2198 ; 2.155 ; 1.965       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3443 ; 1.391 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   214 ; 6.011 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    78 ;41.489 ;25.128       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   245 ;13.772 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     7 ; 5.269 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   258 ; 0.137 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1864 ; 0.011 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   379 ; 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):  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):  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   NCS TYPE: LOCAL                                                    
REMARK   3   NUMBER OF DIFFERENT NCS PAIRS  : 1                                 
REMARK   3  GROUP  CHAIN1    RANGE     CHAIN2     RANGE    COUNT RMS  WEIGHT    
REMARK   3    1     A     2     86       B     2     86    4136 0.190 0.050     
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   -13        A    87                          
REMARK   3    ORIGIN FOR THE GROUP (A):  29.2513  10.0401  17.4096              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0457 T22:   0.0688                                     
REMARK   3      T33:   0.0303 T12:   0.0208                                     
REMARK   3      T13:   0.0172 T23:   0.0384                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.1116 L22:   0.9275                                     
REMARK   3      L33:   0.9319 L12:  -0.2714                                     
REMARK   3      L13:   0.0427 L23:  -0.1491                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0068 S12:  -0.0347 S13:  -0.0106                       
REMARK   3      S21:  -0.0722 S22:  -0.0380 S23:  -0.0573                       
REMARK   3      S31:   0.1149 S32:  -0.0259 S33:   0.0312                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     2        B    87                          
REMARK   3    ORIGIN FOR THE GROUP (A):  26.5751  21.9692   7.5877              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0488 T22:   0.0677                                     
REMARK   3      T33:   0.0198 T12:   0.0391                                     
REMARK   3      T13:   0.0068 T23:   0.0008                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.2844 L22:   0.8989                                     
REMARK   3      L33:   0.6565 L12:  -0.4498                                     
REMARK   3      L13:  -0.1142 L23:   0.0065                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0572 S12:   0.0149 S13:   0.0285                       
REMARK   3      S21:  -0.1327 S22:  -0.0887 S23:  -0.0306                       
REMARK   3      S31:  -0.0318 S32:  -0.0304 S33:   0.0315                       
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 : WITH TLS ADDED                                 
REMARK   4                                                                      
REMARK   4 7VXT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-NOV-21.                  
REMARK 100 THE DEPOSITION ID IS D_1300025613.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-OCT-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
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) : 0.97972                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER X 16M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19376                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.880                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 28.970                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : 6.400                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.10400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.88                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.92                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.00                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.64500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.12                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM ACETATE PH 4.6, 2 M         
REMARK 280  SODIUM FORMATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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       23.40600            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       23.40600            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       42.86300            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       57.94550            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       42.86300            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       57.94550            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       23.40600            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       42.86300            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       57.94550            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       23.40600            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       42.86300            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       57.94550            
REMARK 290   SMTRY3   8  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: 4040 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 9010 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 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     MSE A   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     GLU A    88                                                      
REMARK 465     MSE B   -19                                                      
REMARK 465     GLY B   -18                                                      
REMARK 465     SER B   -17                                                      
REMARK 465     SER B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     GLY B    -7                                                      
REMARK 465     LEU B    -6                                                      
REMARK 465     VAL B    -5                                                      
REMARK 465     PRO B    -4                                                      
REMARK 465     ARG B    -3                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     SER B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MSE B     1                                                      
REMARK 465     GLU B    88                                                      
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     HIS A -13    CG   ND1  CD2  CE1  NE2                             
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   OD1  ASP A    15     O    HOH A   201              2.08            
REMARK 500   OE1  GLU A    65     O    HOH A   202              2.14            
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   O    HOH A   245     O    HOH B   207     1556     2.19            
REMARK 500   O    HOH B   202     O    HOH B   263     6555     2.19            
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    MSE A   1   CG  - SE   -  CE  ANGL. DEV. =  23.4 DEGREES          
REMARK 500    ARG A  10   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ARG A  10   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    MSE A  40   CG  - SE   -  CE  ANGL. DEV. = -16.0 DEGREES          
REMARK 500    MSE B  40   CG  - SE   -  CE  ANGL. DEV. = -36.1 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    ARG A  -3      142.83   -171.70                                   
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                              NA A 103  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ILE A  42   O                                                      
REMARK 620 2 GLU A  65   OE1 121.9                                              
REMARK 620 3 GLU A  65   OE2 118.1  23.0                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA B 104  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 TYR A  58   OH                                                     
REMARK 620 2 ASP B  50   OD1  33.6                                              
REMARK 620 3 THR B  84   OG1   6.7  32.1                                        
REMARK 620 4 HOH B 258   O    36.0   3.0  34.8                                  
REMARK 620 N                    1     2     3                                   
DBREF  7VXT A    1    88  UNP    Q63W52   Q63W52_BURPS     1     88             
DBREF  7VXT B    1    88  UNP    Q63W52   Q63W52_BURPS     1     88             
SEQADV 7VXT MSE A  -19  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT GLY A  -18  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER A  -17  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER A  -16  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS A  -15  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS A  -14  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS A  -13  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS A  -12  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS A  -11  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS A  -10  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER A   -9  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER A   -8  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT GLY A   -7  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT LEU A   -6  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT VAL A   -5  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT PRO A   -4  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT ARG A   -3  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT GLY A   -2  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER A   -1  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS A    0  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT MSE B  -19  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT GLY B  -18  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER B  -17  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER B  -16  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS B  -15  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS B  -14  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS B  -13  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS B  -12  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS B  -11  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS B  -10  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER B   -9  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER B   -8  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT GLY B   -7  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT LEU B   -6  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT VAL B   -5  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT PRO B   -4  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT ARG B   -3  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT GLY B   -2  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT SER B   -1  UNP  Q63W52              EXPRESSION TAG                 
SEQADV 7VXT HIS B    0  UNP  Q63W52              EXPRESSION TAG                 
SEQRES   1 A  108  MSE GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  108  LEU VAL PRO ARG GLY SER HIS MSE ALA GLY ASN LEU VAL          
SEQRES   3 A  108  ILE VAL CYS ARG ASP GLN ASP ALA ASP ALA PHE ASP GLN          
SEQRES   4 A  108  LEU MSE GLN GLU TYR GLY SER PHE GLN THR ARG LEU SER          
SEQRES   5 A  108  SER THR ALA TRP TYR LEU ASN MSE ASN ILE VAL PRO GLU          
SEQRES   6 A  108  THR LEU GLN GLU ASP ILE LEU GLU ARG VAL GLY LYS TYR          
SEQRES   7 A  108  THR THR LEU TYR ILE PHE GLU ALA THR SER VAL THR TYR          
SEQRES   8 A  108  ASN THR ILE ASP SER ASN ALA ALA GLU THR LEU SER THR          
SEQRES   9 A  108  LEU PHE GLY GLU                                              
SEQRES   1 B  108  MSE GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  108  LEU VAL PRO ARG GLY SER HIS MSE ALA GLY ASN LEU VAL          
SEQRES   3 B  108  ILE VAL CYS ARG ASP GLN ASP ALA ASP ALA PHE ASP GLN          
SEQRES   4 B  108  LEU MSE GLN GLU TYR GLY SER PHE GLN THR ARG LEU SER          
SEQRES   5 B  108  SER THR ALA TRP TYR LEU ASN MSE ASN ILE VAL PRO GLU          
SEQRES   6 B  108  THR LEU GLN GLU ASP ILE LEU GLU ARG VAL GLY LYS TYR          
SEQRES   7 B  108  THR THR LEU TYR ILE PHE GLU ALA THR SER VAL THR TYR          
SEQRES   8 B  108  ASN THR ILE ASP SER ASN ALA ALA GLU THR LEU SER THR          
SEQRES   9 B  108  LEU PHE GLY GLU                                              
MODRES 7VXT MSE A    1  MET  MODIFIED RESIDUE                                   
MODRES 7VXT MSE A   21  MET  MODIFIED RESIDUE                                   
MODRES 7VXT MSE A   40  MET  MODIFIED RESIDUE                                   
MODRES 7VXT MSE B   21  MET  MODIFIED RESIDUE                                   
MODRES 7VXT MSE B   40  MET  MODIFIED RESIDUE                                   
HET    MSE  A   1      13                                                       
HET    MSE  A  21       8                                                       
HET    MSE  A  40      13                                                       
HET    MSE  B  21       8                                                       
HET    MSE  B  40      13                                                       
HET    BME  A 101       4                                                       
HET    BME  A 102       4                                                       
HET     NA  A 103       1                                                       
HET    BME  B 101       4                                                       
HET    BME  B 102       4                                                       
HET    BME  B 103       4                                                       
HET     NA  B 104       1                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     BME BETA-MERCAPTOETHANOL                                             
HETNAM      NA SODIUM ION                                                       
FORMUL   1  MSE    5(C5 H11 N O2 SE)                                            
FORMUL   3  BME    5(C2 H6 O S)                                                 
FORMUL   5   NA    2(NA 1+)                                                     
FORMUL  10  HOH   *158(H2 O)                                                    
HELIX    1 AA1 ASP A   13  GLN A   22  1                                  10    
HELIX    2 AA2 GLU A   23  SER A   26  5                                   4    
HELIX    3 AA3 VAL A   43  GLY A   56  1                                  14    
HELIX    4 AA4 ASP A   75  GLY A   87  1                                  13    
HELIX    5 AA5 ASP B   13  GLN B   22  1                                  10    
HELIX    6 AA6 GLU B   23  SER B   26  5                                   4    
HELIX    7 AA7 VAL B   43  GLY B   56  1                                  14    
HELIX    8 AA8 ASP B   75  PHE B   86  1                                  12    
SHEET    1 AA1 5 HIS A -11  SER A  -8  0                                        
SHEET    2 AA1 5 LEU A  61  ASN A  72 -1  O  TYR A  71   N  HIS A -10           
SHEET    3 AA1 5 ASN A   4  CYS A   9 -1  N  VAL A   6   O  PHE A  64           
SHEET    4 AA1 5 ALA A  35  ASN A  39 -1  O  LEU A  38   N  LEU A   5           
SHEET    5 AA1 5 GLN A  28  SER A  32 -1  N  LEU A  31   O  ALA A  35           
SHEET    1 AA2 6 HIS A -11  SER A  -8  0                                        
SHEET    2 AA2 6 LEU A  61  ASN A  72 -1  O  TYR A  71   N  HIS A -10           
SHEET    3 AA2 6 LEU B  61  ASN B  72 -1  O  THR B  70   N  ILE A  63           
SHEET    4 AA2 6 ASN B   4  CYS B   9 -1  N  ASN B   4   O  ALA B  66           
SHEET    5 AA2 6 ALA B  35  ASN B  39 -1  O  LEU B  38   N  LEU B   5           
SHEET    6 AA2 6 GLN B  28  SER B  32 -1  N  THR B  29   O  TYR B  37           
LINK         C   HIS A   0                 N   MSE A   1     1555   1555  1.34  
LINK         C   MSE A   1                 N   ALA A   2     1555   1555  1.33  
LINK         C   LEU A  20                 N   MSE A  21     1555   1555  1.33  
LINK         C   MSE A  21                 N   GLN A  22     1555   1555  1.33  
LINK         C   ASN A  39                 N   MSE A  40     1555   1555  1.31  
LINK         C   MSE A  40                 N   ASN A  41     1555   1555  1.34  
LINK         C   LEU B  20                 N   MSE B  21     1555   1555  1.34  
LINK         C   MSE B  21                 N   GLN B  22     1555   1555  1.33  
LINK         C   ASN B  39                 N   MSE B  40     1555   1555  1.32  
LINK         C   MSE B  40                 N   ASN B  41     1555   1555  1.34  
LINK         O   ILE A  42                NA    NA A 103     1555   1555  2.69  
LINK         OH  TYR A  58                NA    NA B 104     1555   1556  2.65  
LINK         OE1AGLU A  65                NA    NA A 103     1555   1555  3.11  
LINK         OE2BGLU A  65                NA    NA A 103     1555   1555  2.16  
LINK         OD1 ASP B  50                NA    NA B 104     1555   1555  2.48  
LINK         OG1 THR B  84                NA    NA B 104     1555   6555  2.82  
LINK        NA    NA B 104                 O   HOH B 258     1555   1555  3.13  
CRYST1   85.726  115.891   46.812  90.00  90.00  90.00 C 2 2 21     16          
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      0.011665  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008629  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021362        0.00000