HEADER    METAL BINDING PROTEIN                   09-MAR-09   3GK4              
TITLE     X-RAY STRUCTURE OF BOVINE SBI523,CA(2+)-S100B                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN S100-B;                                            
COMPND   3 CHAIN: X;                                                            
COMPND   4 SYNONYM: S100 CALCIUM-BINDING PROTEIN B, S-100 PROTEIN SUBUNIT BETA, 
COMPND   5 S-100 PROTEIN BETA CHAIN;                                            
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE,COW,DOMESTIC CATTLE,DOMESTIC COW;            
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 GENE: S100B;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET11B                                    
KEYWDS    EF HAND, ALPHA HELICAL, METAL-BINDING, NUCLEUS, METAL BINDING PROTEIN 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.H.CHARPENTIER,D.J.WEBER,E.A.TOTH                                    
REVDAT   5   06-SEP-23 3GK4    1       REMARK                                   
REVDAT   4   01-NOV-17 3GK4    1       REMARK                                   
REVDAT   3   13-JUL-11 3GK4    1       VERSN                                    
REVDAT   2   09-JUN-10 3GK4    1       JRNL                                     
REVDAT   1   09-JUN-09 3GK4    0                                                
JRNL        AUTH   T.H.CHARPENTIER,P.T.WILDER,M.A.LIRIANO,K.M.VARNEY,S.ZHONG,   
JRNL        AUTH 2 A.COOP,E.POZHARSKI,A.D.MACKERELL,E.A.TOTH,D.J.WEBER          
JRNL        TITL   SMALL MOLECULES BOUND TO UNIQUE SITES IN THE TARGET PROTEIN  
JRNL        TITL 2 BINDING CLEFT OF CALCIUM-BOUND S100B AS CHARACTERIZED BY     
JRNL        TITL 3 NUCLEAR MAGNETIC RESONANCE AND X-RAY CRYSTALLOGRAPHY.        
JRNL        REF    BIOCHEMISTRY                  V.  48  6202 2009              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   19469484                                                     
JRNL        DOI    10.1021/BI9005754                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
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) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.77                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 7045                           
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) : 0.210                           
REMARK   3   R VALUE            (WORKING SET) : 0.209                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 326                             
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) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 317                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 60.85                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2260                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 11                           
REMARK   3   BIN FREE R VALUE                    : 0.3430                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 727                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 40                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 47.21                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.44000                                              
REMARK   3    B22 (A**2) : -1.83000                                             
REMARK   3    B33 (A**2) : 0.39000                                              
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): 0.196         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.155         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.126         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.279         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.955                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.947                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):   768 ; 0.015 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1029 ; 1.620 ; 1.997       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):    89 ; 5.069 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    40 ;35.999 ;26.500       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   145 ;15.601 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     1 ;17.574 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   109 ; 0.133 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   577 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   382 ; 0.233 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   534 ; 0.304 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    31 ; 0.229 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     9 ; 0.138 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    63 ; 0.239 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    12 ; 0.199 ; 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):   459 ; 0.763 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):   714 ; 1.144 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   376 ; 1.979 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   315 ; 3.173 ; 4.500       
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  : 6                                          
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 :   X     1        X     5                          
REMARK   3    ORIGIN FOR THE GROUP (A):   3.2547   5.5600  -2.4199              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.1775 T22:  -0.0695                                     
REMARK   3      T33:  -0.0257 T12:   0.0426                                     
REMARK   3      T13:   0.0391 T23:   0.0247                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  24.7486 L22:  33.6801                                     
REMARK   3      L33:   9.3223 L12:  -3.2790                                     
REMARK   3      L13:  -3.1047 L23:  10.3868                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0441 S12:  -1.2657 S13:   0.3560                       
REMARK   3      S21:   0.0236 S22:   0.3986 S23:  -2.0300                       
REMARK   3      S31:  -0.2365 S32:   0.7587 S33:  -0.4426                       
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 :   X     6        X    16                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -1.7155  -5.6025  -6.7581              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0466 T22:  -0.1262                                     
REMARK   3      T33:  -0.2168 T12:   0.0773                                     
REMARK   3      T13:   0.0143 T23:   0.0077                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   5.1265 L22:  57.2179                                     
REMARK   3      L33:   0.2547 L12:  11.0537                                     
REMARK   3      L13:  -0.1935 L23:   2.4563                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.2051 S12:   0.2758 S13:  -0.1533                       
REMARK   3      S21:  -1.2383 S22:   0.1920 S23:  -0.5973                       
REMARK   3      S31:   0.1282 S32:   0.2594 S33:   0.0130                       
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 :   X    17        X    40                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -5.4413 -16.4793  -4.8671              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0522 T22:  -0.1795                                     
REMARK   3      T33:  -0.1630 T12:   0.0061                                     
REMARK   3      T13:  -0.0165 T23:  -0.0270                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   7.0384 L22:   6.6914                                     
REMARK   3      L33:   6.6023 L12:  -0.3689                                     
REMARK   3      L13:   0.6257 L23:  -0.0646                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0681 S12:   0.4856 S13:  -0.4584                       
REMARK   3      S21:  -0.7102 S22:   0.0539 S23:   0.0234                       
REMARK   3      S31:   0.5881 S32:  -0.0075 S33:   0.0142                       
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 :   X    41        X    63                          
REMARK   3    ORIGIN FOR THE GROUP (A): -10.4705 -17.1980   5.4103              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0682 T22:  -0.1558                                     
REMARK   3      T33:  -0.1316 T12:  -0.0165                                     
REMARK   3      T13:   0.0367 T23:  -0.0282                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   8.4448 L22:   6.8593                                     
REMARK   3      L33:   4.8117 L12:   2.1859                                     
REMARK   3      L13:   2.1908 L23:  -0.7480                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2063 S12:  -0.3437 S13:  -0.0340                       
REMARK   3      S21:   0.4743 S22:  -0.1976 S23:   0.5282                       
REMARK   3      S31:   0.4613 S32:  -0.1837 S33:  -0.0087                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   X    64        X    78                          
REMARK   3    ORIGIN FOR THE GROUP (A): -12.6237  -8.6122  -3.4917              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.1516 T22:  -0.1712                                     
REMARK   3      T33:  -0.0406 T12:   0.0174                                     
REMARK   3      T13:  -0.0720 T23:   0.0258                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   5.3273 L22:  15.6196                                     
REMARK   3      L33:  12.5952 L12:   5.4898                                     
REMARK   3      L13:   2.4452 L23:   8.0371                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0562 S12:   0.4020 S13:   0.1435                       
REMARK   3      S21:  -0.8102 S22:   0.3182 S23:   0.4363                       
REMARK   3      S31:  -0.2044 S32:  -0.2012 S33:  -0.2620                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   X    79        X    88                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -7.1810  -1.6476  12.2504              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0022 T22:  -0.0568                                     
REMARK   3      T33:   0.0105 T12:   0.0324                                     
REMARK   3      T13:   0.0334 T23:   0.0213                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   8.2611 L22:   8.8860                                     
REMARK   3      L33:  37.6814 L12:  -5.1498                                     
REMARK   3      L13:   8.8647 L23:   6.7376                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.2095 S12:  -0.8099 S13:   0.2660                       
REMARK   3      S21:   1.0238 S22:   0.4621 S23:  -0.1791                       
REMARK   3      S31:  -0.2251 S32:   0.5464 S33:  -0.2526                       
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 3GK4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-MAR-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000051960.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-APR-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.98                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK, HKL-2000                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 7056                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.6                               
REMARK 200  DATA REDUNDANCY                : 6.300                              
REMARK 200  R MERGE                    (I) : 0.03700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 44.1760                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 64.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.27300                            
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: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1MHO                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.48                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 35% PEGMME550, 7.5MM CACL2, 100MM BIS    
REMARK 280  -TRIS BUFFER, 2.5% GLYCEROL, PH 6.0, VAPOR DIFFUSION, SITTING       
REMARK 280  DROP, TEMPERATURE 295K                                              
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       29.61700            
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       29.61700            
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       17.22950            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       44.76600            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       17.22950            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       44.76600            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       29.61700            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       17.22950            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       44.76600            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       29.61700            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       17.22950            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       44.76600            
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 APPLY THE FOLLOWING TO CHAINS: X                                     
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 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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     HIS X    90                                                      
REMARK 465     GLU X    91                                                      
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    SER X    41     O    HOH X   132              2.08            
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                              CA X  92  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER X  18   O                                                      
REMARK 620 2 GLU X  21   O   102.9                                              
REMARK 620 3 ASP X  23   O    85.4  84.6                                        
REMARK 620 4 LYS X  26   O    88.6 157.5  77.0                                  
REMARK 620 5 GLU X  31   OE1  97.2 118.3 155.3  78.5                            
REMARK 620 6 GLU X  31   OE2  78.9  77.1 152.5 124.5  50.6                      
REMARK 620 7 HOH X 117   O   167.4  81.8  83.4  83.3  90.7 113.7                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA X  93  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP X  61   OD1                                                    
REMARK 620 2 ASP X  63   OD1  88.6                                              
REMARK 620 3 ASP X  65   OD1  84.8  77.0                                        
REMARK 620 4 GLU X  67   O    81.4 158.1  82.8                                  
REMARK 620 5 GLU X  72   OE1 115.1 122.9 150.2  78.9                            
REMARK 620 6 GLU X  72   OE2  90.7  80.6 157.2 118.7  50.2                      
REMARK 620 7 HOH X 113   O   166.5  85.7  82.0  99.6  78.2 100.4                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA X 92                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA X 93                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 53A X 94                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1MHO   RELATED DB: PDB                                   
REMARK 900 THE 2.0 A STRUCTURE OF HOLO S100B FROM BOVINE BRAIN                  
REMARK 900 RELATED ID: 3CR2   RELATED DB: PDB                                   
REMARK 900 X-RAY STRUCTURE OF BOVINE ZN(2+),CA(2+)-S100B                        
REMARK 900 RELATED ID: 3CR4   RELATED DB: PDB                                   
REMARK 900 X-RAY STRUCTURE OF BOVINE PNT,CA(2+)-S100B                           
REMARK 900 RELATED ID: 3CR5   RELATED DB: PDB                                   
REMARK 900 X-RAY STRUCTURE OF BOVINE PNT-ZN(2+),CA(2+)-S100B                    
REMARK 900 RELATED ID: 1DT7   RELATED DB: PDB                                   
REMARK 900 SOLUTION STRUCTURE OF THE C-TERMINAL NEGATIVE REGULATORY DOMAIN OF   
REMARK 900 P53 IN A COMPLEX WITH CA2+-BOUND S100B(BB)                           
REMARK 900 RELATED ID: 3GK1   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3GK2   RELATED DB: PDB                                   
DBREF  3GK4 X    0    91  UNP    P02638   S100B_BOVIN      1     92             
SEQRES   1 X   92  MET SER GLU LEU GLU LYS ALA VAL VAL ALA LEU ILE ASP          
SEQRES   2 X   92  VAL PHE HIS GLN TYR SER GLY ARG GLU GLY ASP LYS HIS          
SEQRES   3 X   92  LYS LEU LYS LYS SER GLU LEU LYS GLU LEU ILE ASN ASN          
SEQRES   4 X   92  GLU LEU SER HIS PHE LEU GLU GLU ILE LYS GLU GLN GLU          
SEQRES   5 X   92  VAL VAL ASP LYS VAL MET GLU THR LEU ASP SER ASP GLY          
SEQRES   6 X   92  ASP GLY GLU CYS ASP PHE GLN GLU PHE MET ALA PHE VAL          
SEQRES   7 X   92  ALA MET ILE THR THR ALA CYS HIS GLU PHE PHE GLU HIS          
SEQRES   8 X   92  GLU                                                          
HET     CA  X  92       1                                                       
HET     CA  X  93       1                                                       
HET    53A  X  94      28                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     53A ETHYL 5-{[(1R)-1-(ETHOXYCARBONYL)-2-                             
HETNAM   2 53A  OXOPROPYL]SULFANYL}-1,2-DIHYDRO[1,2,3]TRIAZOLO[1,5-             
HETNAM   3 53A  A]QUINAZOLINE-3-CARBOXYLATE                                     
FORMUL   2   CA    2(CA 2+)                                                     
FORMUL   4  53A    C18 H20 N4 O5 S                                              
FORMUL   5  HOH   *40(H2 O)                                                     
HELIX    1   1 SER X    1  GLY X   19  1                                  19    
HELIX    2   2 LYS X   28  LEU X   40  1                                  13    
HELIX    3   3 GLU X   49  ASP X   61  1                                  13    
HELIX    4   4 ASP X   69  GLU X   89  1                                  21    
LINK         O   SER X  18                CA    CA X  92     1555   1555  2.32  
LINK         O   GLU X  21                CA    CA X  92     1555   1555  2.35  
LINK         O   ASP X  23                CA    CA X  92     1555   1555  2.32  
LINK         O   LYS X  26                CA    CA X  92     1555   1555  2.46  
LINK         OE1 GLU X  31                CA    CA X  92     1555   1555  2.43  
LINK         OE2 GLU X  31                CA    CA X  92     1555   1555  2.61  
LINK         OD1 ASP X  61                CA    CA X  93     1555   1555  2.20  
LINK         OD1 ASP X  63                CA    CA X  93     1555   1555  2.39  
LINK         OD1 ASP X  65                CA    CA X  93     1555   1555  2.27  
LINK         O   GLU X  67                CA    CA X  93     1555   1555  2.41  
LINK         OE1 GLU X  72                CA    CA X  93     1555   1555  2.45  
LINK         OE2 GLU X  72                CA    CA X  93     1555   1555  2.68  
LINK        CA    CA X  92                 O   HOH X 117     1555   1555  2.42  
LINK        CA    CA X  93                 O   HOH X 113     1555   1555  2.15  
SITE     1 AC1  6 SER X  18  GLU X  21  ASP X  23  LYS X  26                    
SITE     2 AC1  6 GLU X  31  HOH X 117                                          
SITE     1 AC2  6 ASP X  61  ASP X  63  ASP X  65  GLU X  67                    
SITE     2 AC2  6 GLU X  72  HOH X 113                                          
SITE     1 AC3  7 SER X  41  HIS X  42  PHE X  43  LEU X  44                    
SITE     2 AC3  7 GLU X  45  HOH X 132  HOH X 133                               
CRYST1   34.459   89.532   59.234  90.00  90.00  90.00 C 2 2 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      0.029020  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011169  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016882        0.00000