HEADER    HYDROLASE                               27-APR-05   1ZIV              
TITLE     CATALYTIC DOMAIN OF HUMAN CALPAIN-9                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CALPAIN 9;                                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CALPAIN CATALYTIC DOMAIN;                                  
COMPND   5 SYNONYM: DIGESTIVE TRACT-SPECIFIC CALPAIN, NCL-4, CG36 PROTEIN;      
COMPND   6 EC: 3.4.22.-;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CAPN9, NCL4;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28-LIC                                 
KEYWDS    CYSTEINE PROTEASE, PAPAIN, CALCIUM-DEPENDENT, THIOL PROTEASE,         
KEYWDS   2 STRUCTURAL GENOMICS CONSORTIUM, SGC, HYDROLASE                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.R.WALKER,T.DAVIS,E.M.NEWMAN,F.MACKENZIE,A.DONG,J.CHOE,C.ARROWSMITH, 
AUTHOR   2 M.SUNDSTROM,A.EDWARDS,A.BOCHKAREV,S.DHE-PAGANON,STRUCTURAL GENOMICS  
AUTHOR   3 CONSORTIUM (SGC)                                                     
REVDAT   6   23-AUG-23 1ZIV    1       REMARK SEQADV LINK                       
REVDAT   5   24-FEB-09 1ZIV    1       VERSN                                    
REVDAT   4   29-MAY-07 1ZIV    1       JRNL                                     
REVDAT   3   26-DEC-06 1ZIV    1       JRNL                                     
REVDAT   2   24-JAN-06 1ZIV    1       JRNL                                     
REVDAT   1   05-JUL-05 1ZIV    0                                                
JRNL        AUTH   T.L.DAVIS,J.R.WALKER,P.J.FINERTY,F.MACKENZIE,E.M.NEWMAN,     
JRNL        AUTH 2 S.DHE-PAGANON                                                
JRNL        TITL   THE CRYSTAL STRUCTURES OF HUMAN CALPAINS 1 AND 9 IMPLY       
JRNL        TITL 2 DIVERSE MECHANISMS OF ACTION AND AUTO-INHIBITION.            
JRNL        REF    J.MOL.BIOL.                   V. 366   216 2007              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   17157313                                                     
JRNL        DOI    10.1016/J.JMB.2006.11.037                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.31 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
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) : 2.31                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.38                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 15919                          
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) : 0.207                           
REMARK   3   R VALUE            (WORKING SET) : 0.203                           
REMARK   3   FREE R VALUE                     : 0.272                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 850                             
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) : 2.31                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.37                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1146                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.42                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2580                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 55                           
REMARK   3   BIN FREE R VALUE                    : 0.3170                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2465                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 77                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 45.31                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.38000                                             
REMARK   3    B22 (A**2) : 1.58000                                              
REMARK   3    B33 (A**2) : -1.19000                                             
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): 0.320         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.256         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.189         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 15.512        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.948                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.914                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2539 ; 0.014 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3430 ; 1.413 ; 1.930       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   306 ; 6.690 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   130 ;32.714 ;23.846       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   410 ;16.703 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    17 ;17.337 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   353 ; 0.105 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1976 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1019 ; 0.214 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1679 ; 0.308 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   107 ; 0.214 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     7 ; 0.115 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    42 ; 0.177 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     4 ; 0.065 ; 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):  1585 ; 1.978 ; 3.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2439 ; 3.107 ; 4.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1130 ; 3.704 ; 5.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   991 ; 5.362 ; 7.000       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH 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 1ZIV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-APR-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000032763.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-APR-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 32-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16773                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.310                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 19.830                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : 0.06900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.31                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.43                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.34000                            
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: PHASER                                                
REMARK 200 STARTING MODEL: 1MDW                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.83                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, 0.2 M AMMONIUM FORMATE,    
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 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                                                                      
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       50.27250            
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       50.27250            
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                                                                      
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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 379  LIES ON A SPECIAL POSITION.                          
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     9                                                      
REMARK 465     GLY A    10                                                      
REMARK 465     SER A    11                                                      
REMARK 465     SER A    12                                                      
REMARK 465     HIS A    13                                                      
REMARK 465     HIS A    14                                                      
REMARK 465     HIS A    15                                                      
REMARK 465     HIS A    16                                                      
REMARK 465     HIS A    17                                                      
REMARK 465     HIS A    18                                                      
REMARK 465     SER A    19                                                      
REMARK 465     SER A    20                                                      
REMARK 465     GLY A    21                                                      
REMARK 465     LEU A    22                                                      
REMARK 465     VAL A    23                                                      
REMARK 465     PRO A    24                                                      
REMARK 465     ARG A    25                                                      
REMARK 465     GLY A    26                                                      
REMARK 465     SER A    27                                                      
REMARK 465     GLU A    59                                                      
REMARK 465     ARG A    60                                                      
REMARK 465     PRO A   338                                                      
REMARK 465     ASP A   339                                                      
REMARK 465     ALA A   340                                                      
REMARK 465     LEU A   341                                                      
REMARK 465     GLU A   342                                                      
REMARK 465     GLU A   343                                                      
REMARK 465     ASP A   344                                                      
REMARK 465     ALA A   345                                                      
REMARK 465     ILE A   346                                                      
REMARK 465     HIS A   347                                                      
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    PRO A  64       96.52    -40.60                                   
REMARK 500    ASN A  76       77.86   -119.50                                   
REMARK 500    ASP A 120       20.92    -73.43                                   
REMARK 500    ALA A 128       28.53   -145.81                                   
REMARK 500    HIS A 138      -38.76   -147.00                                   
REMARK 500    SER A 139       36.69   -148.75                                   
REMARK 500    PHE A 153      -84.26   -106.62                                   
REMARK 500    ARG A 154       63.63   -108.04                                   
REMARK 500    PHE A 159     -137.19    -97.72                                   
REMARK 500    ASN A 215       32.42    -91.75                                   
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 A   1  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 284   OE2                                                    
REMARK 620 2 GLU A 284   OE1  54.0                                              
REMARK 620 3 ASP A 291   OD2 112.9  83.8                                        
REMARK 620 4 ASP A 291   OD1 129.0  76.2  44.0                                  
REMARK 620 5 LEU A 312   O    84.5 116.1  69.4 111.5                            
REMARK 620 6 ASP A 314   OD1  78.8 126.2 144.1 149.9  78.7                      
REMARK 620 7 GLU A 316   O    93.9  77.8 128.6  84.8 160.1  81.6                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A   2  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 LEU A  81   O                                                      
REMARK 620 2 GLY A  83   O    76.5                                              
REMARK 620 3 ASP A  88   OD2 150.8  79.0                                        
REMARK 620 4 ASP A  88   OD1 158.4 122.9  50.6                                  
REMARK 620 5 GLU A 167   OE1 101.7 138.2  86.3  71.0                            
REMARK 620 6 GLU A 167   OE2  80.8  88.1  82.8 107.4  51.1                      
REMARK 620 7 HOH A 389   O    92.2  75.1  96.6  84.7 145.9 163.0                
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 A 1                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 2                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 3                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 4                   
DBREF  1ZIV A   28   347  UNP    O14815   CAN9_HUMAN      28    347             
SEQADV 1ZIV MET A    9  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV GLY A   10  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV SER A   11  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV SER A   12  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV HIS A   13  UNP  O14815              EXPRESSION TAG                 
SEQADV 1ZIV HIS A   14  UNP  O14815              EXPRESSION TAG                 
SEQADV 1ZIV HIS A   15  UNP  O14815              EXPRESSION TAG                 
SEQADV 1ZIV HIS A   16  UNP  O14815              EXPRESSION TAG                 
SEQADV 1ZIV HIS A   17  UNP  O14815              EXPRESSION TAG                 
SEQADV 1ZIV HIS A   18  UNP  O14815              EXPRESSION TAG                 
SEQADV 1ZIV SER A   19  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV SER A   20  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV GLY A   21  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV LEU A   22  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV VAL A   23  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV PRO A   24  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV ARG A   25  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV GLY A   26  UNP  O14815              CLONING ARTIFACT               
SEQADV 1ZIV SER A   27  UNP  O14815              CLONING ARTIFACT               
SEQRES   1 A  339  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  339  LEU VAL PRO ARG GLY SER SER PHE GLU GLN MET ARG GLN          
SEQRES   3 A  339  GLU CYS LEU GLN ARG GLY THR LEU PHE GLU ASP ALA ASP          
SEQRES   4 A  339  PHE PRO ALA SER ASN SER SER LEU PHE TYR SER GLU ARG          
SEQRES   5 A  339  PRO GLN ILE PRO PHE VAL TRP LYS ARG PRO GLY GLU ILE          
SEQRES   6 A  339  VAL LYS ASN PRO GLU PHE ILE LEU GLY GLY ALA THR ARG          
SEQRES   7 A  339  THR ASP ILE CYS GLN GLY GLU LEU GLY ASP CYS TRP LEU          
SEQRES   8 A  339  LEU ALA ALA ILE ALA SER LEU THR LEU ASN GLN LYS ALA          
SEQRES   9 A  339  LEU ALA ARG VAL ILE PRO GLN ASP GLN SER PHE GLY PRO          
SEQRES  10 A  339  GLY TYR ALA GLY ILE PHE HIS PHE GLN PHE TRP GLN HIS          
SEQRES  11 A  339  SER GLU TRP LEU ASP VAL VAL ILE ASP ASP ARG LEU PRO          
SEQRES  12 A  339  THR PHE ARG ASP ARG LEU VAL PHE LEU HIS SER ALA ASP          
SEQRES  13 A  339  HIS ASN GLU PHE TRP SER ALA LEU LEU GLU LYS ALA TYR          
SEQRES  14 A  339  ALA LYS LEU ASN GLY SER TYR GLU ALA LEU LYS GLY GLY          
SEQRES  15 A  339  SER ALA ILE GLU ALA MET GLU ASP PHE THR GLY GLY VAL          
SEQRES  16 A  339  ALA GLU THR PHE GLN THR LYS GLU ALA PRO GLU ASN PHE          
SEQRES  17 A  339  TYR GLU ILE LEU GLU LYS ALA LEU LYS ARG GLY SER LEU          
SEQRES  18 A  339  LEU GLY CYS PHE ILE ASP THR ARG SER ALA ALA GLU SER          
SEQRES  19 A  339  GLU ALA ARG THR PRO PHE GLY LEU ILE LYS GLY HIS ALA          
SEQRES  20 A  339  TYR SER VAL THR GLY ILE ASP GLN VAL SER PHE ARG GLY          
SEQRES  21 A  339  GLN ARG ILE GLU LEU ILE ARG ILE ARG ASN PRO TRP GLY          
SEQRES  22 A  339  GLN VAL GLU TRP ASN GLY SER TRP SER ASP SER SER PRO          
SEQRES  23 A  339  GLU TRP ARG SER VAL GLY PRO ALA GLU GLN LYS ARG LEU          
SEQRES  24 A  339  CYS HIS THR ALA LEU ASP ASP GLY GLU PHE TRP MET ALA          
SEQRES  25 A  339  PHE LYS ASP PHE LYS ALA HIS PHE ASP LYS VAL GLU ILE          
SEQRES  26 A  339  CYS ASN LEU THR PRO ASP ALA LEU GLU GLU ASP ALA ILE          
SEQRES  27 A  339  HIS                                                          
HET     CA  A   1       1                                                       
HET     CA  A   2       1                                                       
HET    BME  A   3       4                                                       
HET    BME  A   4       4                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     BME BETA-MERCAPTOETHANOL                                             
FORMUL   2   CA    2(CA 2+)                                                     
FORMUL   4  BME    2(C2 H6 O S)                                                 
FORMUL   6  HOH   *77(H2 O)                                                     
HELIX    1   1 SER A   28  ARG A   39  1                                  12    
HELIX    2   2 SER A   51  LEU A   55  5                                   5    
HELIX    3   3 ARG A   69  ILE A   73  5                                   5    
HELIX    4   4 THR A   85  ILE A   89  5                                   5    
HELIX    5   5 TRP A   98  LEU A  108  1                                  11    
HELIX    6   6 ASN A  109  ILE A  117  1                                   9    
HELIX    7   7 PHE A  168  GLY A  182  1                                  15    
HELIX    8   8 TYR A  184  LYS A  188  5                                   5    
HELIX    9   9 SER A  191  GLY A  201  1                                  11    
HELIX   10  10 LYS A  210  ALA A  212  5                                   3    
HELIX   11  11 ASN A  215  GLY A  227  1                                  13    
HELIX   12  12 SER A  238  SER A  242  5                                   5    
HELIX   13  13 SER A  293  VAL A  299  1                                   7    
HELIX   14  14 GLY A  300  LEU A  307  1                                   8    
HELIX   15  15 PHE A  321  PHE A  328  1                                   8    
SHEET    1   A 2 VAL A  66  LYS A  68  0                                        
SHEET    2   A 2 LEU A 150  THR A 152 -1  O  THR A 152   N  VAL A  66           
SHEET    1   B 2 ILE A 130  TRP A 136  0                                        
SHEET    2   B 2 TRP A 141  ASP A 147 -1  O  VAL A 144   N  PHE A 133           
SHEET    1   C 6 GLU A 205  GLN A 208  0                                        
SHEET    2   C 6 LYS A 330  CYS A 334 -1  O  ILE A 333   N  GLU A 205           
SHEET    3   C 6 LEU A 229  PHE A 233 -1  N  LEU A 229   O  CYS A 334           
SHEET    4   C 6 TYR A 256  PHE A 266 -1  O  VAL A 258   N  LEU A 230           
SHEET    5   C 6 GLN A 269  ARG A 277 -1  O  ILE A 271   N  VAL A 264           
SHEET    6   C 6 GLU A 316  ALA A 320 -1  O  PHE A 317   N  ILE A 276           
LINK         S2  BME A   3                 SG  CYS A  97     1555   1555  2.10  
LINK         S2  BME A   4                 SG  CYS A 334     1555   1555  2.18  
LINK        CA    CA A   1                 OE2 GLU A 284     1555   1555  2.18  
LINK        CA    CA A   1                 OE1 GLU A 284     1555   1555  2.55  
LINK        CA    CA A   1                 OD2 ASP A 291     1555   1555  2.50  
LINK        CA    CA A   1                 OD1 ASP A 291     1555   1555  3.12  
LINK        CA    CA A   1                 O   LEU A 312     1555   1555  2.35  
LINK        CA    CA A   1                 OD1 ASP A 314     1555   1555  2.52  
LINK        CA    CA A   1                 O   GLU A 316     1555   1555  2.40  
LINK        CA    CA A   2                 O   LEU A  81     1555   1555  2.32  
LINK        CA    CA A   2                 O   GLY A  83     1555   1555  2.32  
LINK        CA    CA A   2                 OD2 ASP A  88     1555   1555  2.53  
LINK        CA    CA A   2                 OD1 ASP A  88     1555   1555  2.57  
LINK        CA    CA A   2                 OE1 GLU A 167     1555   1555  2.58  
LINK        CA    CA A   2                 OE2 GLU A 167     1555   1555  2.41  
LINK        CA    CA A   2                 O   HOH A 389     1555   1555  2.33  
SITE     1 AC1  5 GLU A 284  ASP A 291  LEU A 312  ASP A 314                    
SITE     2 AC1  5 GLU A 316                                                     
SITE     1 AC2  5 LEU A  81  GLY A  83  ASP A  88  GLU A 167                    
SITE     2 AC2  5 HOH A 389                                                     
SITE     1 AC3  5 GLY A  95  CYS A  97  LEU A 100  GLU A 174                    
SITE     2 AC3  5 HOH A 376                                                     
SITE     1 AC4  6 GLU A 197  THR A 200  GLY A 202  VAL A 203                    
SITE     2 AC4  6 CYS A 334  ASN A 335                                          
CRYST1   45.308   80.900  100.545  90.00  90.00  90.00 P 2 2 21      4          
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      0.022071  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012361  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009946        0.00000