PDB Short entry for 2PBX
HEADER    TRANSCRIPTION                           29-MAR-07   2PBX              
TITLE     VIBRIO CHOLERAE HAPR                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMAGGLUTININ/PROTEASE REGULATORY PROTEIN;                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE;                                
SOURCE   3 ORGANISM_TAXID: 412614;                                              
SOURCE   4 STRAIN: 2740-80;                                                     
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PTXB1                                      
KEYWDS    QUORUM SENSING, VIBRIO CHOLERAE, TRANSCRIPTION FACTOR, TETR FAMILY,   
KEYWDS   2 DNA-BINDING, PROTEASE, TRANSCRIPTION REGULATION, TRANSCRIPTION       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.J.KULL,R.S.DESILVA,G.KOVACIKOVA,W.LIN,R.K.TAYLOR,K.SKORUPSKI        
REVDAT   3   13-JUL-11 2PBX    1       VERSN                                    
REVDAT   2   24-FEB-09 2PBX    1       VERSN                                    
REVDAT   1   02-OCT-07 2PBX    0                                                
JRNL        AUTH   R.S.DESILVA,G.KOVACIKOVA,W.LIN,R.K.TAYLOR,K.SKORUPSKI,       
JRNL        AUTH 2 F.J.KULL                                                     
JRNL        TITL   CRYSTAL STRUCTURE OF THE VIBRIO CHOLERAE QUORUM-SENSING      
JRNL        TITL 2 REGULATORY PROTEIN HAPR                                      
JRNL        REF    J.BACTERIOL.                  V. 189  5683 2007              
JRNL        REFN                   ISSN 0021-9193                               
JRNL        PMID   17526705                                                     
JRNL        DOI    10.1128/JB.01807-06                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.47                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 19306                          
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) : 0.233                           
REMARK   3   R VALUE            (WORKING SET) : 0.230                           
REMARK   3   FREE R VALUE                     : 0.263                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2132                            
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) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.26                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1354                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.65                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3060                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 180                          
REMARK   3   BIN FREE R VALUE                    : 0.3890                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3234                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 322                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 47.29                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.92000                                              
REMARK   3    B22 (A**2) : -3.28000                                             
REMARK   3    B33 (A**2) : 0.36000                                              
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): 0.440         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.258         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.212         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 16.480        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.937                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.916                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3304 ; 0.041 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4465 ; 3.189 ; 1.946       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   392 ; 9.466 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   167 ;42.831 ;23.772       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   604 ;23.001 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    26 ;25.852 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   498 ; 0.202 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2480 ; 0.014 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1917 ; 0.306 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2289 ; 0.339 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   187 ; 0.265 ; 0.200       
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):   113 ; 0.397 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    10 ; 0.355 ; 0.200       
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):  1963 ; 0.735 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3178 ; 1.000 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1341 ; 2.519 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1287 ; 3.019 ; 4.500       
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  : 4                                          
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     5        A    59                          
REMARK   3    ORIGIN FOR THE GROUP (A):  29.3183  23.8368  19.0001              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.2252 T22:  -0.0835                                     
REMARK   3      T33:  -0.2640 T12:  -0.1196                                     
REMARK   3      T13:   0.0422 T23:   0.0502                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  14.3239 L22:  14.1800                                     
REMARK   3      L33:   9.4788 L12:   9.4984                                     
REMARK   3      L13:   5.4760 L23:   7.3474                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.8763 S12:   0.4564 S13:  -0.6614                       
REMARK   3      S21:  -1.4291 S22:   0.8302 S23:  -0.7630                       
REMARK   3      S31:  -0.7612 S32:   0.8569 S33:   0.0461                       
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 :   A    60        A   201                          
REMARK   3    ORIGIN FOR THE GROUP (A):  26.9217  32.3794  44.2525              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.3194 T22:  -0.2178                                     
REMARK   3      T33:  -0.1963 T12:  -0.0141                                     
REMARK   3      T13:   0.0206 T23:   0.0293                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.7980 L22:   4.0358                                     
REMARK   3      L33:   6.2548 L12:   0.1455                                     
REMARK   3      L13:   1.5771 L23:   2.6059                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0710 S12:  -0.0184 S13:   0.1176                       
REMARK   3      S21:   0.4299 S22:  -0.1707 S23:   0.3307                       
REMARK   3      S31:  -0.1019 S32:  -0.5806 S33:   0.2417                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     5        B    59                          
REMARK   3    ORIGIN FOR THE GROUP (A):  36.9897  59.9656  19.8877              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.3537 T22:  -0.0971                                     
REMARK   3      T33:  -0.2655 T12:  -0.0181                                     
REMARK   3      T13:   0.0435 T23:   0.0758                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   6.3268 L22:   8.5583                                     
REMARK   3      L33:   9.5816 L12:  -0.2283                                     
REMARK   3      L13:  -2.5278 L23:  -3.2547                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1655 S12:   0.4030 S13:   0.1152                       
REMARK   3      S21:  -0.4632 S22:   0.2045 S23:  -0.0464                       
REMARK   3      S31:   0.9281 S32:  -0.6072 S33:  -0.0390                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B    60        B   201                          
REMARK   3    ORIGIN FOR THE GROUP (A):  37.4868  50.6217  45.5382              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.2369 T22:  -0.2942                                     
REMARK   3      T33:  -0.1580 T12:  -0.0039                                     
REMARK   3      T13:   0.0568 T23:  -0.0323                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.0635 L22:   4.1804                                     
REMARK   3      L33:   6.6797 L12:  -0.1086                                     
REMARK   3      L13:   0.1856 L23:  -2.8637                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0305 S12:   0.0328 S13:   0.0236                       
REMARK   3      S21:   0.3818 S22:  -0.0270 S23:  -0.1432                       
REMARK   3      S31:   0.0644 S32:   0.0928 S33:   0.0575                       
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                                                           
REMARK   4                                                                      
REMARK   4 2PBX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-AUG-07.                  
REMARK 100 THE RCSB ID CODE IS RCSB042207.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-MAR-05; NULL                    
REMARK 200  TEMPERATURE           (KELVIN) : 100.0; NULL                        
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : NSLS; NSLS                         
REMARK 200  BEAMLINE                       : X6A; X6A                           
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; NULL                            
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0093; 0.9392, 1.0059             
REMARK 200  MONOCHROMATOR                  : SI(111) MONOCHROMATOR; NULL        
REMARK 200  OPTICS                         : TOROIDAL FOCUSING MIRROR; NULL     
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; NULL                          
REMARK 200  DETECTOR MANUFACTURER          : ADSC; NULL                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21439                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 67.200                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : 0.05900                            
REMARK 200  R SYM                      (I) : 0.06000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.6800                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.30                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.20600                            
REMARK 200  R SYM FOR SHELL            (I) : 0.30800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.690                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL                        
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: RIPAS                        
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.24                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M HEPES PH 7.5, 12% (WT/VOL)         
REMARK 280  POLYETHYLENE GLYCOL 8000, AND 5% (VOL/VOL) ETHYLENE GLYCOL, VAPOR   
REMARK 280  DIFFUSION, HANGING DROP                                             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       21.89250            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       55.19250            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       42.54250            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       55.19250            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       21.89250            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       42.54250            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2830 ANGSTROM**2                          
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     MET A     1                                                      
REMARK 465     ASP A     2                                                      
REMARK 465     ALA A     3                                                      
REMARK 465     SER A     4                                                      
REMARK 465     LYS A   202                                                      
REMARK 465     ASN A   203                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ASP B     2                                                      
REMARK 465     ALA B     3                                                      
REMARK 465     SER B     4                                                      
REMARK 465     LYS B   202                                                      
REMARK 465     ASN B   203                                                      
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     TYR A 201    O                                                   
REMARK 470     TYR B 201    O                                                   
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  37       39.72    -73.11                                   
REMARK 500    THR A  60     -169.55   -125.66                                   
REMARK 500    LEU A  86       -5.79    -59.99                                   
REMARK 500    ALA A 120       32.60    -95.97                                   
REMARK 500    GLU A 125       43.88    -92.66                                   
REMARK 500    VAL A 126      -63.09   -141.91                                   
REMARK 500    ARG A 151       -6.15    -59.66                                   
REMARK 500    GLU A 153      -32.38    167.66                                   
REMARK 500    ARG A 180      -70.74   -103.15                                   
REMARK 500    CYS A 199     -121.19   -130.65                                   
REMARK 500    ILE A 200       48.94     38.12                                   
REMARK 500    ARG B  37       43.46    -87.04                                   
REMARK 500    VAL B  49     -169.74   -124.23                                   
REMARK 500    VAL B 126      -65.34   -135.53                                   
REMARK 500    GLU B 156       -3.95    -58.63                                   
REMARK 500    VAL B 178       -5.47    -51.34                                   
REMARK 500    LEU B 181      -66.30    -98.61                                   
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 A 212        DISTANCE =  5.15 ANGSTROMS                       
REMARK 525    HOH A 224        DISTANCE =  5.79 ANGSTROMS                       
REMARK 525    HOH A 263        DISTANCE =  7.46 ANGSTROMS                       
REMARK 525    HOH A 280        DISTANCE =  5.40 ANGSTROMS                       
REMARK 525    HOH A 281        DISTANCE =  5.30 ANGSTROMS                       
REMARK 525    HOH A 291        DISTANCE =  5.58 ANGSTROMS                       
REMARK 525    HOH A 329        DISTANCE =  5.50 ANGSTROMS                       
REMARK 525    HOH A 336        DISTANCE =  5.50 ANGSTROMS                       
REMARK 525    HOH A 348        DISTANCE =  5.24 ANGSTROMS                       
REMARK 525    HOH A 356        DISTANCE =  5.74 ANGSTROMS                       
REMARK 525    HOH B 224        DISTANCE =  5.77 ANGSTROMS                       
REMARK 525    HOH B 236        DISTANCE =  5.66 ANGSTROMS                       
REMARK 525    HOH B 248        DISTANCE =  5.25 ANGSTROMS                       
REMARK 525    HOH B 257        DISTANCE =  5.46 ANGSTROMS                       
REMARK 525    HOH B 263        DISTANCE =  5.57 ANGSTROMS                       
REMARK 525    HOH B 277        DISTANCE =  5.41 ANGSTROMS                       
REMARK 525    HOH B 317        DISTANCE =  5.52 ANGSTROMS                       
REMARK 525    HOH B 348        DISTANCE =  5.63 ANGSTROMS                       
REMARK 525    HOH B 361        DISTANCE =  5.03 ANGSTROMS                       
REMARK 525    HOH B 365        DISTANCE =  5.85 ANGSTROMS                       
DBREF  2PBX A    1   203  UNP    A1F928   A1F928_VIBCH     1    203             
DBREF  2PBX B    1   203  UNP    A1F928   A1F928_VIBCH     1    203             
SEQRES   1 A  203  MET ASP ALA SER ILE GLU LYS ARG PRO ARG THR ARG LEU          
SEQRES   2 A  203  SER PRO GLN LYS ARG LYS LEU GLN LEU MET GLU ILE ALA          
SEQRES   3 A  203  LEU GLU VAL PHE ALA LYS ARG GLY ILE GLY ARG GLY GLY          
SEQRES   4 A  203  HIS ALA ASP ILE ALA GLU ILE ALA GLN VAL SER VAL ALA          
SEQRES   5 A  203  THR VAL PHE ASN TYR PHE PRO THR ARG GLU ASP LEU VAL          
SEQRES   6 A  203  ASP ASP VAL LEU ASN PHE VAL VAL ARG GLN TYR SER ASN          
SEQRES   7 A  203  PHE LEU THR ASP HIS ILE ASP LEU ASP LEU ASP VAL LYS          
SEQRES   8 A  203  THR ASN LEU GLN THR LEU CYS LYS GLU MET VAL LYS LEU          
SEQRES   9 A  203  ALA MET THR ASP CYS HIS TRP LEU LYS VAL TRP PHE GLU          
SEQRES  10 A  203  TRP SER ALA SER THR ARG ASP GLU VAL TRP PRO LEU PHE          
SEQRES  11 A  203  VAL SER THR ASN ARG THR ASN GLN LEU LEU ILE ARG ASN          
SEQRES  12 A  203  MET PHE MET LYS ALA MET GLU ARG GLY GLU LEU CYS GLU          
SEQRES  13 A  203  LYS HIS ASP VAL ASP ASN MET ALA SER LEU PHE HIS GLY          
SEQRES  14 A  203  ILE PHE TYR SER ILE PHE LEU GLN VAL ASN ARG LEU GLY          
SEQRES  15 A  203  GLU GLN GLU ALA VAL TYR LYS LEU ALA ASP SER TYR LEU          
SEQRES  16 A  203  ASN MET LEU CYS ILE TYR LYS ASN                              
SEQRES   1 B  203  MET ASP ALA SER ILE GLU LYS ARG PRO ARG THR ARG LEU          
SEQRES   2 B  203  SER PRO GLN LYS ARG LYS LEU GLN LEU MET GLU ILE ALA          
SEQRES   3 B  203  LEU GLU VAL PHE ALA LYS ARG GLY ILE GLY ARG GLY GLY          
SEQRES   4 B  203  HIS ALA ASP ILE ALA GLU ILE ALA GLN VAL SER VAL ALA          
SEQRES   5 B  203  THR VAL PHE ASN TYR PHE PRO THR ARG GLU ASP LEU VAL          
SEQRES   6 B  203  ASP ASP VAL LEU ASN PHE VAL VAL ARG GLN TYR SER ASN          
SEQRES   7 B  203  PHE LEU THR ASP HIS ILE ASP LEU ASP LEU ASP VAL LYS          
SEQRES   8 B  203  THR ASN LEU GLN THR LEU CYS LYS GLU MET VAL LYS LEU          
SEQRES   9 B  203  ALA MET THR ASP CYS HIS TRP LEU LYS VAL TRP PHE GLU          
SEQRES  10 B  203  TRP SER ALA SER THR ARG ASP GLU VAL TRP PRO LEU PHE          
SEQRES  11 B  203  VAL SER THR ASN ARG THR ASN GLN LEU LEU ILE ARG ASN          
SEQRES  12 B  203  MET PHE MET LYS ALA MET GLU ARG GLY GLU LEU CYS GLU          
SEQRES  13 B  203  LYS HIS ASP VAL ASP ASN MET ALA SER LEU PHE HIS GLY          
SEQRES  14 B  203  ILE PHE TYR SER ILE PHE LEU GLN VAL ASN ARG LEU GLY          
SEQRES  15 B  203  GLU GLN GLU ALA VAL TYR LYS LEU ALA ASP SER TYR LEU          
SEQRES  16 B  203  ASN MET LEU CYS ILE TYR LYS ASN                              
FORMUL   3  HOH   *322(H2 O)                                                    
HELIX    1   1 SER A   14  GLY A   34  1                                  21    
HELIX    2   2 GLY A   39  GLN A   48  1                                  10    
HELIX    3   3 SER A   50  PHE A   58  1                                   9    
HELIX    4   4 THR A   60  ILE A   84  1                                  25    
HELIX    5   5 ASP A   89  THR A  107  1                                  19    
HELIX    6   6 CYS A  109  TRP A  118  1                                  10    
HELIX    7   7 VAL A  126  ASN A  134  1                                   9    
HELIX    8   8 ASN A  134  ARG A  151  1                                  18    
HELIX    9   9 ASP A  159  GLY A  182  1                                  24    
HELIX   10  10 GLU A  183  LEU A  198  1                                  16    
HELIX   11  11 SER B   14  GLY B   34  1                                  21    
HELIX   12  12 GLY B   39  GLN B   48  1                                  10    
HELIX   13  13 SER B   50  PHE B   58  1                                   9    
HELIX   14  14 THR B   60  ILE B   84  1                                  25    
HELIX   15  15 ASP B   89  MET B  106  1                                  18    
HELIX   16  16 CYS B  109  ALA B  120  1                                  12    
HELIX   17  17 VAL B  126  ASN B  134  1                                   9    
HELIX   18  18 ASN B  134  ARG B  151  1                                  18    
HELIX   19  19 ASP B  159  LEU B  181  1                                  23    
HELIX   20  20 GLU B  183  MET B  197  1                                  15    
SSBOND   1 CYS A  199    CYS B  199                          1555   1555  2.03  
CRYST1   43.785   85.085  110.385  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.022839  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011753  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009059        0.00000