HEADER    HYDROLASE/HYDROLASE INHIBITOR           07-FEB-03   1NX1              
TITLE     CALPAIN DOMAIN VI COMPLEXED WITH CALPASTATIN INHIBITORY DOMAIN C (DIC)
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CALCIUM-DEPENDENT PROTEASE, SMALL SUBUNIT;                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: DOMAIN VI;                                                 
COMPND   5 SYNONYM: CALPAIN REGULATORY SUBUNIT, CALCIUM-ACTIVATED NEUTRAL       
COMPND   6 PROTEINASE, CANP;                                                    
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: CALPASTATIN;                                               
COMPND  10 CHAIN: C, D;                                                         
COMPND  11 FRAGMENT: DIC, RESIDUES 230-240;                                     
COMPND  12 SYNONYM: CALPAIN INHIBITOR;                                          
COMPND  13 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SUS SCROFA;                                     
SOURCE   3 ORGANISM_COMMON: PIG;                                                
SOURCE   4 ORGANISM_TAXID: 9823;                                                
SOURCE   5 GENE: CAPNS1 OR CAPN4;                                               
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: SUS SCROFA;                                     
SOURCE  10 ORGANISM_COMMON: PIG;                                                
SOURCE  11 ORGANISM_TAXID: 9823;                                                
SOURCE  12 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  13 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    CALCIUM BINDING, HYDROLASE-HYDROLASE INHIBITOR COMPLEX                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.TODD,D.MOORE,C.C.S.DEIVANAYAGAM,G.-D.LIN,D.CHATTOPADHYAY,M.MAKI,    
AUTHOR   2 K.K.W.WANG,S.V.L.NARAYANA                                            
REVDAT   5   14-FEB-24 1NX1    1       REMARK LINK                              
REVDAT   4   02-MAY-12 1NX1    1       COMPND                                   
REVDAT   3   13-JUL-11 1NX1    1       VERSN                                    
REVDAT   2   24-FEB-09 1NX1    1       VERSN                                    
REVDAT   1   19-AUG-03 1NX1    0                                                
JRNL        AUTH   B.TODD,D.MOORE,C.C.S.DEIVANAYAGAM,G.-D.LIN,D.CHATTOPADHYAY,  
JRNL        AUTH 2 M.MAKI,K.K.W.WANG,S.V.L.NARAYANA                             
JRNL        TITL   A STRUCTURAL MODEL FOR THE INHIBITION OF CALPAIN BY          
JRNL        TITL 2 CALPASTATIN: CRYSTAL STRUCTURES OF THE NATIVE DOMAIN VI OF   
JRNL        TITL 3 CALPAIN AND ITS COMPLEXES WITH CALPASTATIN PEPTIDE AND A     
JRNL        TITL 4 SMALL MOLECULE INHIBITOR.                                    
JRNL        REF    J.MOL.BIOL.                   V. 328   131 2003              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12684003                                                     
JRNL        DOI    10.1016/S0022-2836(03)00274-2                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 100.00                         
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 3.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 30252                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.208                           
REMARK   3   FREE R VALUE                     : 0.253                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 3025                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2952                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 8                                       
REMARK   3   SOLVENT ATOMS            : 104                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1NX1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-FEB-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000018302.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 103                                
REMARK 200  PH                             : 6.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RUH3R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30252                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 100.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.2                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.04100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
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: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.18                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000, BME, EDTA, CACL2, NACL, PH     
REMARK 280  6.2, VAPOR DIFFUSION, HANGING DROP                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       26.87300            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       71.85200            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       30.52750            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       71.85200            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       26.87300            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       30.52750            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7510 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16720 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -147.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OD1  ASP B   545     O    HOH B   987              2.18            
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    THR A 134      146.70   -173.41                                   
REMARK 500    THR A 153       58.10     35.23                                   
REMARK 500    ASN B 504      148.67    -34.91                                   
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 ASP A 110   OD2                                                    
REMARK 620 2 GLU A 112   O    68.7                                              
REMARK 620 3 GLU A 117   OE2 139.4  71.0                                        
REMARK 620 4 GLU A 117   OE1 152.4 108.3  44.6                                  
REMARK 620 5 LYS A 156   NZ   75.2 123.1 133.3 123.3                            
REMARK 620 6 HOH A 972   O    60.5 123.8 149.1 105.9  65.4                      
REMARK 620 N                    1     2     3     4     5                       
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 ASP A 150   OD1                                                    
REMARK 620 2 ASP A 152   OD1  76.2                                              
REMARK 620 3 THR A 154   OG1  88.2 100.3                                        
REMARK 620 4 LYS A 156   O    87.1 163.3  78.6                                  
REMARK 620 5 GLU A 161   OE1 105.4  99.3 158.3  85.1                            
REMARK 620 6 GLU A 161   OE2  90.1  55.1 154.9 126.2  44.3                      
REMARK 620 7 HOH A 959   O   157.9  84.6  84.6 111.7  88.2  87.8                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A   3  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 180   OD1                                                    
REMARK 620 2 ASP A 182   OD1  82.1                                              
REMARK 620 3 SER A 184   OG   89.0  90.4                                        
REMARK 620 4 THR A 186   O    88.8 167.7  81.2                                  
REMARK 620 5 HOH A 923   O   109.0  96.6 161.4  94.1                            
REMARK 620 6 HOH A 980   O   157.5  76.6  84.2 111.2  80.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A   4  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 135   OD1                                                    
REMARK 620 2 ASP A 223   OD1 118.7                                              
REMARK 620 3 ASP A 223   OD2  77.4  46.0                                        
REMARK 620 4 ASP A 225   OD2 108.4 108.3 145.7                                  
REMARK 620 5 ASP A 225   OD1  83.8  78.0  92.1  56.3                            
REMARK 620 6 ASN A 226   ND2 147.8  67.8  91.7  97.8 127.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B   5  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY B 408   N                                                      
REMARK 620 2 ASP B 410   OD1  91.5                                              
REMARK 620 3 GLU B 412   O    55.8  66.3                                        
REMARK 620 4 GLU B 417   OE1  73.0 158.3 113.7                                  
REMARK 620 5 GLU B 417   OE2  73.8 141.0  75.7  49.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B   6  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 450   OD1                                                    
REMARK 620 2 ASP B 452   OD1  76.2                                              
REMARK 620 3 THR B 454   OG1  91.6 105.0                                        
REMARK 620 4 LYS B 456   O    95.9 172.1  74.7                                  
REMARK 620 5 GLU B 461   OE1 110.2 100.7 149.7  82.0                            
REMARK 620 6 GLU B 461   OE2  92.3  55.3 158.0 126.3  45.8                      
REMARK 620 7 HOH B 931   O   158.1  84.5  83.2 103.2  83.4  85.1                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B   7  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 480   OD1                                                    
REMARK 620 2 ASP B 482   OD2 129.3                                              
REMARK 620 3 SER B 484   OG   78.5  98.4                                        
REMARK 620 4 THR B 486   O    74.9 152.8  72.1                                  
REMARK 620 5 GLU B 491   OE2 113.4  81.9 164.5 100.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B   8  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 435   OD1                                                    
REMARK 620 2 ASP B 523   OD2  95.8                                              
REMARK 620 3 ASP B 523   OD1 137.2  47.2                                        
REMARK 620 4 ASP B 525   OD1 102.6  96.2  68.2                                  
REMARK 620 5 ASP B 525   OD2 103.7 143.5 100.5  49.8                            
REMARK 620 6 ASN B 526   ND2 153.7  92.0  63.0 101.5  84.1                      
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 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 CA A 3                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 4                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 5                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 6                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 7                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 8                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN C OF CALPASTATIN            
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN D OF CALPASTATIN            
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1NX0   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1NX2   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1NX3   RELATED DB: PDB                                   
DBREF  1NX1 A   94   266  UNP    P04574   CPNS1_PIG       94    266             
DBREF  1NX1 B  394   566  UNP    P04574   CPNS1_PIG       94    266             
DBREF  1NX1 C  601   611  UNP    P49342   ICAL_CERAE     230    240             
DBREF  1NX1 D  701   711  UNP    P49342   ICAL_CERAE     230    240             
SEQRES   1 A  173  GLU GLU VAL ARG GLN PHE ARG ARG LEU PHE ALA GLN LEU          
SEQRES   2 A  173  ALA GLY ASP ASP MET GLU VAL SER ALA THR GLU LEU MET          
SEQRES   3 A  173  ASN ILE LEU ASN LYS VAL VAL THR ARG HIS PRO ASP LEU          
SEQRES   4 A  173  LYS THR ASP GLY PHE GLY ILE ASP THR CYS ARG SER MET          
SEQRES   5 A  173  VAL ALA VAL MET ASP SER ASP THR THR GLY LYS LEU GLY          
SEQRES   6 A  173  PHE GLU GLU PHE LYS TYR LEU TRP ASN ASN ILE LYS LYS          
SEQRES   7 A  173  TRP GLN ALA ILE TYR LYS GLN PHE ASP VAL ASP ARG SER          
SEQRES   8 A  173  GLY THR ILE GLY SER SER GLU LEU PRO GLY ALA PHE GLU          
SEQRES   9 A  173  ALA ALA GLY PHE HIS LEU ASN GLU HIS LEU TYR SER MET          
SEQRES  10 A  173  ILE ILE ARG ARG TYR SER ASP GLU GLY GLY ASN MET ASP          
SEQRES  11 A  173  PHE ASP ASN PHE ILE SER CYS LEU VAL ARG LEU ASP ALA          
SEQRES  12 A  173  MET PHE ARG ALA PHE LYS SER LEU ASP LYS ASP GLY THR          
SEQRES  13 A  173  GLY GLN ILE GLN VAL ASN ILE GLN GLU TRP LEU GLN LEU          
SEQRES  14 A  173  THR MET TYR SER                                              
SEQRES   1 B  173  GLU GLU VAL ARG GLN PHE ARG ARG LEU PHE ALA GLN LEU          
SEQRES   2 B  173  ALA GLY ASP ASP MET GLU VAL SER ALA THR GLU LEU MET          
SEQRES   3 B  173  ASN ILE LEU ASN LYS VAL VAL THR ARG HIS PRO ASP LEU          
SEQRES   4 B  173  LYS THR ASP GLY PHE GLY ILE ASP THR CYS ARG SER MET          
SEQRES   5 B  173  VAL ALA VAL MET ASP SER ASP THR THR GLY LYS LEU GLY          
SEQRES   6 B  173  PHE GLU GLU PHE LYS TYR LEU TRP ASN ASN ILE LYS LYS          
SEQRES   7 B  173  TRP GLN ALA ILE TYR LYS GLN PHE ASP VAL ASP ARG SER          
SEQRES   8 B  173  GLY THR ILE GLY SER SER GLU LEU PRO GLY ALA PHE GLU          
SEQRES   9 B  173  ALA ALA GLY PHE HIS LEU ASN GLU HIS LEU TYR SER MET          
SEQRES  10 B  173  ILE ILE ARG ARG TYR SER ASP GLU GLY GLY ASN MET ASP          
SEQRES  11 B  173  PHE ASP ASN PHE ILE SER CYS LEU VAL ARG LEU ASP ALA          
SEQRES  12 B  173  MET PHE ARG ALA PHE LYS SER LEU ASP LYS ASP GLY THR          
SEQRES  13 B  173  GLY GLN ILE GLN VAL ASN ILE GLN GLU TRP LEU GLN LEU          
SEQRES  14 B  173  THR MET TYR SER                                              
SEQRES   1 C   11  ASP ALA ILE ASP ALA LEU SER SER ASP PHE THR                  
SEQRES   1 D   11  ASP ALA ILE ASP ALA LEU SER SER ASP PHE THR                  
HET     CA  A   1       1                                                       
HET     CA  A   2       1                                                       
HET     CA  A   3       1                                                       
HET     CA  A   4       1                                                       
HET     CA  B   5       1                                                       
HET     CA  B   6       1                                                       
HET     CA  B   7       1                                                       
HET     CA  B   8       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   5   CA    8(CA 2+)                                                     
FORMUL  13  HOH   *104(H2 O)                                                    
HELIX    1   1 GLU A   94  ALA A  107  1                                  14    
HELIX    2   2 SER A  114  ARG A  128  1                                  15    
HELIX    3   3 GLY A  138  ASP A  150  1                                  13    
HELIX    4   4 GLY A  158  ASP A  180  1                                  23    
HELIX    5   5 GLU A  191  ALA A  199  1                                   9    
HELIX    6   6 ASN A  204  SER A  216  1                                  13    
HELIX    7   7 ASP A  223  ASP A  245  1                                  23    
HELIX    8   8 ILE A  256  TYR A  265  1                                  10    
HELIX    9   9 GLU B  394  ALA B  407  1                                  14    
HELIX   10  10 SER B  414  ARG B  428  1                                  15    
HELIX   11  11 GLY B  438  ASP B  450  1                                  13    
HELIX   12  12 GLY B  458  ASP B  480  1                                  23    
HELIX   13  13 GLU B  491  ALA B  499  1                                   9    
HELIX   14  14 ASN B  504  SER B  516  1                                  13    
HELIX   15  15 ASP B  523  ASP B  545  1                                  23    
HELIX   16  16 ASN B  555  TYR B  565  1                                  11    
HELIX   17  17 ASP C  601  PHE C  610  1                                  10    
HELIX   18  18 ASP D  701  ASP D  709  1                                   9    
SHEET    1   A 2 ILE A 252  ASN A 255  0                                        
SHEET    2   A 2 GLN B 551  VAL B 554 -1  O  ILE B 552   N  VAL A 254           
LINK        CA    CA A   1                 OD2 ASP A 110     1555   1555  3.04  
LINK        CA    CA A   1                 O   GLU A 112     1555   1555  2.93  
LINK        CA    CA A   1                 OE2 GLU A 117     1555   1555  2.64  
LINK        CA    CA A   1                 OE1 GLU A 117     1555   1555  3.08  
LINK        CA    CA A   1                 NZ  LYS A 156     1555   1555  2.95  
LINK        CA    CA A   1                 O   HOH A 972     1555   1555  2.98  
LINK        CA    CA A   2                 OD1 ASP A 150     1555   1555  2.45  
LINK        CA    CA A   2                 OD1 ASP A 152     1555   1555  2.48  
LINK        CA    CA A   2                 OG1 THR A 154     1555   1555  2.46  
LINK        CA    CA A   2                 O   LYS A 156     1555   1555  2.31  
LINK        CA    CA A   2                 OE1 GLU A 161     1555   1555  2.44  
LINK        CA    CA A   2                 OE2 GLU A 161     1555   1555  3.17  
LINK        CA    CA A   2                 O   HOH A 959     1555   1555  2.35  
LINK        CA    CA A   3                 OD1 ASP A 180     1555   1555  2.27  
LINK        CA    CA A   3                 OD1 ASP A 182     1555   1555  2.34  
LINK        CA    CA A   3                 OG  SER A 184     1555   1555  2.45  
LINK        CA    CA A   3                 O   THR A 186     1555   1555  2.39  
LINK        CA    CA A   3                 O   HOH A 923     1555   1555  2.69  
LINK        CA    CA A   3                 O   HOH A 980     1555   1555  2.81  
LINK        CA    CA A   4                 OD1 ASP A 135     1555   1555  2.20  
LINK        CA    CA A   4                 OD1 ASP A 223     1555   1555  2.76  
LINK        CA    CA A   4                 OD2 ASP A 223     1555   1555  2.80  
LINK        CA    CA A   4                 OD2 ASP A 225     1555   1555  2.34  
LINK        CA    CA A   4                 OD1 ASP A 225     1555   1555  2.26  
LINK        CA    CA A   4                 ND2 ASN A 226     1555   1555  2.94  
LINK        CA    CA B   5                 N   GLY B 408     1555   1555  3.37  
LINK        CA    CA B   5                 OD1 ASP B 410     1555   1555  3.06  
LINK        CA    CA B   5                 O   GLU B 412     1555   1555  2.95  
LINK        CA    CA B   5                 OE1 GLU B 417     1555   1555  2.71  
LINK        CA    CA B   5                 OE2 GLU B 417     1555   1555  2.51  
LINK        CA    CA B   6                 OD1 ASP B 450     1555   1555  2.20  
LINK        CA    CA B   6                 OD1 ASP B 452     1555   1555  2.38  
LINK        CA    CA B   6                 OG1 THR B 454     1555   1555  2.65  
LINK        CA    CA B   6                 O   LYS B 456     1555   1555  2.32  
LINK        CA    CA B   6                 OE1 GLU B 461     1555   1555  2.41  
LINK        CA    CA B   6                 OE2 GLU B 461     1555   1555  3.12  
LINK        CA    CA B   6                 O   HOH B 931     1555   1555  2.49  
LINK        CA    CA B   7                 OD1 ASP B 480     1555   1555  2.50  
LINK        CA    CA B   7                 OD2 ASP B 482     1555   1555  3.23  
LINK        CA    CA B   7                 OG  SER B 484     1555   1555  2.65  
LINK        CA    CA B   7                 O   THR B 486     1555   1555  2.50  
LINK        CA    CA B   7                 OE2 GLU B 491     1555   1555  2.61  
LINK        CA    CA B   8                 OD1 ASP B 435     1555   1555  2.40  
LINK        CA    CA B   8                 OD2 ASP B 523     1555   1555  2.62  
LINK        CA    CA B   8                 OD1 ASP B 523     1555   1555  2.84  
LINK        CA    CA B   8                 OD1 ASP B 525     1555   1555  2.27  
LINK        CA    CA B   8                 OD2 ASP B 525     1555   1555  2.82  
LINK        CA    CA B   8                 ND2 ASN B 526     1555   1555  2.23  
SITE     1 AC1  6 GLY A 108  ASP A 110  GLU A 112  GLU A 117                    
SITE     2 AC1  6 LYS A 156  HOH A 972                                          
SITE     1 AC2  6 ASP A 150  ASP A 152  THR A 154  LYS A 156                    
SITE     2 AC2  6 GLU A 161  HOH A 959                                          
SITE     1 AC3  6 ASP A 180  ASP A 182  SER A 184  THR A 186                    
SITE     2 AC3  6 HOH A 923  HOH A 980                                          
SITE     1 AC4  4 ASP A 135  ASP A 223  ASP A 225  ASN A 226                    
SITE     1 AC5  5 GLY B 408  ASP B 410  GLU B 412  GLU B 417                    
SITE     2 AC5  5 LYS B 456                                                     
SITE     1 AC6  6 ASP B 450  ASP B 452  THR B 454  LYS B 456                    
SITE     2 AC6  6 GLU B 461  HOH B 931                                          
SITE     1 AC7  6 ASP B 480  ASP B 482  SER B 484  THR B 486                    
SITE     2 AC7  6 GLY B 488  GLU B 491                                          
SITE     1 AC8  4 ASP B 435  ASP B 523  ASP B 525  ASN B 526                    
SITE     1 AC9 17 LEU A 102  LEU A 106  ARG A 128  HIS A 129                    
SITE     2 AC9 17 TRP A 166  GLN A 173  ALA A 174  LYS A 177                    
SITE     3 AC9 17 GLU A 197  HOH A 944  HOH C 914  HOH C 918                    
SITE     4 AC9 17 HOH C 926  HOH C 956  HOH C 985  HOH C 994                    
SITE     5 AC9 17 HOH C1002                                                     
SITE     1 BC1 12 LEU B 402  LEU B 406  ILE B 421  VAL B 425                    
SITE     2 BC1 12 ARG B 428  HIS B 429  TRP B 466  GLN B 473                    
SITE     3 BC1 12 ALA B 474  LYS B 477  HOH B 973  HOH D 941                    
CRYST1   53.746   61.055  143.704  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.018606  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016379  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006959        0.00000