HEADER    ENDOCYTOSIS/EXOCYTOSIS                  06-JUN-04   1TJM              
TITLE     CRYSTALLOGRAPHIC IDENTIFICATION OF SR2+ COORDINATION SITE IN          
TITLE    2 SYNAPTOTAGMIN I C2B DOMAIN                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SYNAPTOTAGMIN I;                                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: C2B DOMAIN;                                                
COMPND   5 SYNONYM: SYTI, P65;                                                  
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 GENE: SYT1, SYT;                                                     
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PGEX-KG                                   
KEYWDS    SYNAPTOTAGMIN I, C2B DOMAIN, STRONTIUM BINDING, ENDOCYTOSIS-          
KEYWDS   2 EXOCYTOSIS COMPLEX                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.CHENG,S.M.SEQUEIRA,L.MALININA,V.TERESHKO,T.H.SOLLNER,D.J.PATEL      
REVDAT   5   23-AUG-23 1TJM    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 1TJM    1       VERSN                                    
REVDAT   3   24-FEB-09 1TJM    1       VERSN                                    
REVDAT   2   12-OCT-04 1TJM    1       JRNL                                     
REVDAT   1   28-SEP-04 1TJM    0                                                
JRNL        AUTH   Y.CHENG,S.M.SEQUEIRA,L.MALININA,V.TERESHKO,T.H.SOLLNER,      
JRNL        AUTH 2 D.J.PATEL                                                    
JRNL        TITL   CRYSTALLOGRAPHIC IDENTIFICATION OF CA2+ AND SR2+             
JRNL        TITL 2 COORDINATION SITES IN SYNAPTOTAGMIN I C2B DOMAIN             
JRNL        REF    PROTEIN SCI.                  V.  13  2665 2004              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   15340165                                                     
JRNL        DOI    10.1110/PS.04832604                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.18 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
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) : 1.18                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 53935                          
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) : 0.159                           
REMARK   3   R VALUE            (WORKING SET) : 0.158                           
REMARK   3   FREE R VALUE                     : 0.174                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2861                            
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) : 1.18                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.21                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2536                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2470                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 118                          
REMARK   3   BIN FREE R VALUE                    : 0.2290                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1228                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 7                                       
REMARK   3   SOLVENT ATOMS            : 202                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 13.47                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.49000                                             
REMARK   3    B22 (A**2) : -0.49000                                             
REMARK   3    B33 (A**2) : 0.74000                                              
REMARK   3    B12 (A**2) : -0.25000                                             
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): 0.037         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.035         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.017         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.370         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.967                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.963                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1282 ; 0.017 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1196 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1729 ; 1.710 ; 1.968       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2810 ; 0.912 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   155 ; 6.390 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   197 ; 0.099 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1377 ; 0.012 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   234 ; 0.020 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   260 ; 0.244 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1395 ; 0.251 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):   817 ; 0.087 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   120 ; 0.173 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     5 ; 0.192 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     4 ; 0.195 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    47 ; 0.277 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    13 ; 0.092 ; 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):   777 ; 1.702 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1267 ; 2.627 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   505 ; 3.201 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   462 ; 5.041 ; 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):  1282 ; 1.721 ; 2.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   203 ; 5.062 ; 2.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  1260 ; 3.955 ; 2.000       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
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 1TJM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JUN-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022692.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 56844                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.180                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.5                               
REMARK 200  DATA REDUNDANCY                : 10.90                              
REMARK 200  R MERGE                    (I) : 0.04800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 31.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.18                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.20                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 56.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.19000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1K5W                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, PH 5.0, VAPOR          
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 277K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       68.87800            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       34.43900            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       34.43900            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       68.87800            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     LYS A   420                                                      
REMARK 465     LYS A   421                                                      
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     VAL A 419    CA   C    O    CB   CG1  CG2                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   210     O    HOH A   211              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A 350   CD    GLU A 350   OE1     0.069                       
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    LEU A 294      -63.92    -90.81                                   
REMARK 500    LEU A 307     -115.88   -121.65                                   
REMARK 500    ARG A 398      -12.31     74.59                                   
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                              SR A1420  SR                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 231   O                                                      
REMARK 620 2 ASP A 303   OD1  79.4                                              
REMARK 620 3 ASP A 309   OD1 105.0  93.0                                        
REMARK 620 4 ASP A 363   OD2 150.3  85.4 101.1                                  
REMARK 620 5 ASP A 363   OD1 102.2  77.7 148.9  49.2                            
REMARK 620 6 TYR A 364   O    95.4 173.1  92.7  97.3  99.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SR A 1420                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 1421                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1K5W   RELATED DB: PDB                                   
REMARK 900 THREE-DIMENSIONAL STRUCTURE OF THE SYNAPTOTAGMIN 1 C2B DOMAIN:       
REMARK 900 SYNAPTOTAGMIN 1 AS A PHOSPHOLIPID BINDING MACHINE                    
DBREF  1TJM A  271   421  UNP    P21707   SYT1_RAT       271    421             
SEQADV 1TJM SER A  263  UNP  P21707              CLONING ARTIFACT               
SEQADV 1TJM GLY A  264  UNP  P21707              CLONING ARTIFACT               
SEQADV 1TJM GLY A  265  UNP  P21707              CLONING ARTIFACT               
SEQADV 1TJM GLY A  266  UNP  P21707              CLONING ARTIFACT               
SEQADV 1TJM GLY A  267  UNP  P21707              CLONING ARTIFACT               
SEQADV 1TJM GLY A  268  UNP  P21707              CLONING ARTIFACT               
SEQADV 1TJM ILE A  269  UNP  P21707              CLONING ARTIFACT               
SEQADV 1TJM LEU A  270  UNP  P21707              CLONING ARTIFACT               
SEQRES   1 A  159  SER GLY GLY GLY GLY GLY ILE LEU GLU LYS LEU GLY ASP          
SEQRES   2 A  159  ILE CYS PHE SER LEU ARG TYR VAL PRO THR ALA GLY LYS          
SEQRES   3 A  159  LEU THR VAL VAL ILE LEU GLU ALA LYS ASN LEU LYS LYS          
SEQRES   4 A  159  MET ASP VAL GLY GLY LEU SER ASP PRO TYR VAL LYS ILE          
SEQRES   5 A  159  HIS LEU MET GLN ASN GLY LYS ARG LEU LYS LYS LYS LYS          
SEQRES   6 A  159  THR THR ILE LYS LYS ASN THR LEU ASN PRO TYR TYR ASN          
SEQRES   7 A  159  GLU SER PHE SER PHE GLU VAL PRO PHE GLU GLN ILE GLN          
SEQRES   8 A  159  LYS VAL GLN VAL VAL VAL THR VAL LEU ASP TYR ASP LYS          
SEQRES   9 A  159  ILE GLY LYS ASN ASP ALA ILE GLY LYS VAL PHE VAL GLY          
SEQRES  10 A  159  TYR ASN SER THR GLY ALA GLU LEU ARG HIS TRP SER ASP          
SEQRES  11 A  159  MET LEU ALA ASN PRO ARG ARG PRO ILE ALA GLN TRP HIS          
SEQRES  12 A  159  THR LEU GLN VAL GLU GLU GLU VAL ASP ALA MET LEU ALA          
SEQRES  13 A  159  VAL LYS LYS                                                  
HET     SR  A1420       1                                                       
HET    GOL  A1421      14                                                       
HETNAM      SR STRONTIUM ION                                                    
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2   SR    SR 2+                                                        
FORMUL   3  GOL    C3 H8 O3                                                     
FORMUL   4  HOH   *202(H2 O)                                                    
HELIX    1   1 GLY A  268  LYS A  272  5                                   5    
HELIX    2   2 GLN A  351  LYS A  354  5                                   4    
HELIX    3   3 THR A  383  ASN A  396  1                                  14    
HELIX    4   4 VAL A  409  ALA A  418  1                                  10    
SHEET    1   A 4 TYR A 338  GLU A 346  0                                        
SHEET    2   A 4 LYS A 288  LYS A 297 -1  N  VAL A 291   O  PHE A 343           
SHEET    3   A 4 ASP A 275  VAL A 283 -1  N  CYS A 277   O  GLU A 295           
SHEET    4   A 4 ILE A 401  THR A 406 -1  O  HIS A 405   N  ILE A 276           
SHEET    1   B 4 LYS A 321  LYS A 327  0                                        
SHEET    2   B 4 PRO A 310  GLN A 318 -1  N  LEU A 316   O  LEU A 323           
SHEET    3   B 4 GLN A 356  ASP A 363 -1  O  VAL A 358   N  HIS A 315           
SHEET    4   B 4 ALA A 372  GLY A 379 -1  O  ILE A 373   N  VAL A 361           
LINK         O   HOH A 231                SR    SR A1420     1555   1555  2.26  
LINK         OD1 ASP A 303                SR    SR A1420     1555   1555  2.52  
LINK         OD1 ASP A 309                SR    SR A1420     1555   1555  2.45  
LINK         OD2 ASP A 363                SR    SR A1420     1555   1555  2.43  
LINK         OD1 ASP A 363                SR    SR A1420     1555   1555  2.68  
LINK         O   TYR A 364                SR    SR A1420     1555   1555  2.49  
SITE     1 AC1  5 HOH A 231  ASP A 303  ASP A 309  ASP A 363                    
SITE     2 AC1  5 TYR A 364                                                     
SITE     1 AC2  8 HOH A  27  VAL A 376  PHE A 377  ASN A 381                    
SITE     2 AC2  8 SER A 382  THR A 383  GLU A 386  MET A 416                    
CRYST1   54.644   54.644  103.317  90.00  90.00 120.00 P 32 2 1      6          
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      0.018300  0.010566  0.000000        0.00000                         
SCALE2      0.000000  0.021131  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009679        0.00000