HEADER    MUSCLE CONTRACTION                      19-SEP-97   1AVS              
TITLE     X-RAY CRYSTALLOGRAPHIC STUDY OF CALCIUM-SATURATED N-TERMINAL DOMAIN OF
TITLE    2 TROPONIN C                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TROPONIN C;                                                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: N-TERMINAL DOMAIN, RESIDUES 1 - 90;                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GALLUS GALLUS;                                  
SOURCE   3 ORGANISM_COMMON: CHICKEN;                                            
SOURCE   4 ORGANISM_TAXID: 9031;                                                
SOURCE   5 TISSUE: BREAST;                                                      
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    MUSCLE CONTRACTION, CALCIUM-ACTIVATED, TROPONIN, E-F HAND CALCIUM-    
KEYWDS   2 BINDING PROTEIN                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.C.J.STRYNADKA,M.N.G.JAMES                                           
REVDAT   4   22-MAY-24 1AVS    1       REMARK                                   
REVDAT   3   02-AUG-23 1AVS    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1AVS    1       VERSN                                    
REVDAT   1   24-DEC-97 1AVS    0                                                
JRNL        AUTH   N.C.STRYNADKA,M.CHERNEY,A.R.SIELECKI,M.X.LI,L.B.SMILLIE,     
JRNL        AUTH 2 M.N.JAMES                                                    
JRNL        TITL   STRUCTURAL DETAILS OF A CALCIUM-INDUCED MOLECULAR SWITCH:    
JRNL        TITL 2 X-RAY CRYSTALLOGRAPHIC ANALYSIS OF THE CALCIUM-SATURATED     
JRNL        TITL 3 N-TERMINAL DOMAIN OF TROPONIN C AT 1.75 A RESOLUTION.        
JRNL        REF    J.MOL.BIOL.                   V. 273   238 1997              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   9367759                                                      
JRNL        DOI    10.1006/JMBI.1997.1257                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.75 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT 5D                                               
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 18010                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.220                           
REMARK   3   R VALUE            (WORKING SET) : 0.214                           
REMARK   3   FREE R VALUE                     : 0.250                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1801                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.2200                 
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.2140                 
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.251                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.00                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 1801                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 18010                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1263                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 93                                      
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : 30.400                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.016 ; 0.900 ; 1340            
REMARK   3   BOND ANGLES            (DEGREES) : 2.900 ; 1.100 ; 1789            
REMARK   3   TORSION ANGLES         (DEGREES) : 18.460; 0.000 ; 840             
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : 0.015 ; 1.200 ; 54              
REMARK   3   GENERAL PLANES               (A) : 0.015 ; 3.000 ; 187             
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : 2.600 ; 0.300 ; 1340            
REMARK   3   NON-BONDED CONTACTS          (A) : 0.038 ; 12.000; 48              
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : BABINET SCALING                                      
REMARK   3   KSOL        : 0.75                                                 
REMARK   3   BSOL        : 300.0                                                
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : TNT PROTGEO                                      
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORREL V1.0             
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1AVS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000171317.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NOV-95                             
REMARK 200  TEMPERATURE           (KELVIN) : 287                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.009                              
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : NO MIRRORS                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18010                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.750                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 82.0                               
REMARK 200  DATA REDUNDANCY                : 4.300                              
REMARK 200  R MERGE                    (I) : 0.05200                            
REMARK 200  R SYM                      (I) : 0.10400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.05000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.28000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT AND    
REMARK 200  MIR                                                                 
REMARK 200 SOFTWARE USED: AMORE, MLPHARE                                        
REMARK 200 STARTING MODEL: PDB ENTRY 4TNC                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 72 % AMMONIUM SULFATE 100 MM TRIS 2 %    
REMARK 280  MPD, 5 MM CALCIUM CHLORIDE PH 7.5                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       40.79000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     ALA A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     MET A     3                                                      
REMARK 465     THR A     4                                                      
REMARK 465     ASP A     5                                                      
REMARK 465     GLN A     6                                                      
REMARK 465     GLU A    88                                                      
REMARK 465     ASP A    89                                                      
REMARK 465     ALA A    90                                                      
REMARK 465     ALA B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     MET B     3                                                      
REMARK 465     THR B     4                                                      
REMARK 465     ASP B     5                                                      
REMARK 465     GLU B    88                                                      
REMARK 465     ASP B    89                                                      
REMARK 465     ALA B    90                                                      
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   9   CD    GLU A   9   OE1     0.068                       
REMARK 500    GLU A  16   CD    GLU A  16   OE2     0.089                       
REMARK 500    GLU A  17   CD    GLU A  17   OE2     0.084                       
REMARK 500    GLU A  21   CD    GLU A  21   OE1     0.080                       
REMARK 500    GLU A  56   CD    GLU A  56   OE2     0.073                       
REMARK 500    GLU A  57   CD    GLU A  57   OE2     0.066                       
REMARK 500    GLU A  63   CD    GLU A  63   OE1     0.079                       
REMARK 500    GLU B   9   CD    GLU B   9   OE2     0.078                       
REMARK 500    GLU B  16   CD    GLU B  16   OE1     0.087                       
REMARK 500    GLU B  17   CD    GLU B  17   OE2     0.075                       
REMARK 500    GLU B  21   CD    GLU B  21   OE2     0.074                       
REMARK 500    GLU B  41   CD    GLU B  41   OE2     0.077                       
REMARK 500    GLU B  56   CD    GLU B  56   OE1     0.071                       
REMARK 500    GLU B  57   CD    GLU B  57   OE2     0.073                       
REMARK 500    GLU B  64   CD    GLU B  64   OE2     0.069                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
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   ATM2   ATM3                                     
REMARK 500    ASP A  27   CB  -  CG  -  OD1 ANGL. DEV. =   7.6 DEGREES          
REMARK 500    ASP A  32   CB  -  CG  -  OD2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    THR A  44   CA  -  CB  -  CG2 ANGL. DEV. = -10.4 DEGREES          
REMARK 500    GLU A  56   CB  -  CA  -  C   ANGL. DEV. = -16.5 DEGREES          
REMARK 500    ASP A  59   CB  -  CG  -  OD1 ANGL. DEV. =   6.7 DEGREES          
REMARK 500    ASP A  59   CB  -  CG  -  OD2 ANGL. DEV. =  -8.8 DEGREES          
REMARK 500    ASP A  74   CB  -  CG  -  OD2 ANGL. DEV. =  -6.4 DEGREES          
REMARK 500    ASP B  59   CB  -  CG  -  OD1 ANGL. DEV. =   7.2 DEGREES          
REMARK 500    ASP B  59   CB  -  CG  -  OD2 ANGL. DEV. =  -7.6 DEGREES          
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  93  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  30   OD1                                                    
REMARK 620 2 ASP A  32   OD1  81.0                                              
REMARK 620 3 ASP A  36   O    83.0 149.3                                        
REMARK 620 4 GLU A  41   OE2  98.6  79.7 128.8                                  
REMARK 620 5 GLU A  41   OE1 103.4 131.3  78.0  51.6                            
REMARK 620 6 HOH A  95   O   100.5  81.4  75.9 150.6 141.9                      
REMARK 620 7 HOH A  96   O   169.7  88.9 104.9  81.8  85.1  75.5                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A  94  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  66   OD1                                                    
REMARK 620 2 ASP A  68   OD1  83.4                                              
REMARK 620 3 SER A  70   OG   88.3  80.3                                        
REMARK 620 4 THR A  72   O    89.5 155.9  76.5                                  
REMARK 620 5 GLU A  77   OE1 112.1 129.0 144.5  75.0                            
REMARK 620 6 GLU A  77   OE2  91.2  79.5 159.7 123.8  53.1                      
REMARK 620 7 HOH A 102   O   161.3  78.9  82.9 104.4  84.1  91.4                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B  93  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B  30   OD1                                                    
REMARK 620 2 ASP B  32   OD1  81.7                                              
REMARK 620 3 ASP B  36   O    83.1 150.6                                        
REMARK 620 4 GLU B  41   OE2  99.3  77.6 129.8                                  
REMARK 620 5 GLU B  41   OE1 104.1 131.5  76.7  53.9                            
REMARK 620 6 HOH B 115   O    97.3  81.4  75.9 150.9 142.6                      
REMARK 620 7 HOH B 144   O   176.4  95.1  99.0  81.7  79.3  80.5                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B  94  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B  66   OD1                                                    
REMARK 620 2 ASP B  68   OD1  77.6                                              
REMARK 620 3 SER B  70   OG   87.6  79.1                                        
REMARK 620 4 THR B  72   O    90.2 152.1  75.3                                  
REMARK 620 5 GLU B  77   OE1 114.4 129.8 145.4  78.1                            
REMARK 620 6 GLU B  77   OE2  89.5  78.0 157.1 127.4  54.8                      
REMARK 620 7 HOH B 122   O   159.5  83.4  81.3 103.4  83.8  94.1                
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 93                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 94                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 93                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 94                   
DBREF  1AVS A    1    90  UNP    P02588   TNNC2_CHICK      1     90             
DBREF  1AVS B    1    90  UNP    P02588   TNNC2_CHICK      1     90             
SEQRES   1 A   90  ALA SER MET THR ASP GLN GLN ALA GLU ALA ARG ALA PHE          
SEQRES   2 A   90  LEU SER GLU GLU MET ILE ALA GLU PHE LYS ALA ALA PHE          
SEQRES   3 A   90  ASP MET PHE ASP ALA ASP GLY GLY GLY ASP ILE SER THR          
SEQRES   4 A   90  LYS GLU LEU GLY THR VAL MET ARG MET LEU GLY GLN ASN          
SEQRES   5 A   90  PRO THR LYS GLU GLU LEU ASP ALA ILE ILE GLU GLU VAL          
SEQRES   6 A   90  ASP GLU ASP GLY SER GLY THR ILE ASP PHE GLU GLU PHE          
SEQRES   7 A   90  LEU VAL MET MET VAL ARG GLN MET LYS GLU ASP ALA              
SEQRES   1 B   90  ALA SER MET THR ASP GLN GLN ALA GLU ALA ARG ALA PHE          
SEQRES   2 B   90  LEU SER GLU GLU MET ILE ALA GLU PHE LYS ALA ALA PHE          
SEQRES   3 B   90  ASP MET PHE ASP ALA ASP GLY GLY GLY ASP ILE SER THR          
SEQRES   4 B   90  LYS GLU LEU GLY THR VAL MET ARG MET LEU GLY GLN ASN          
SEQRES   5 B   90  PRO THR LYS GLU GLU LEU ASP ALA ILE ILE GLU GLU VAL          
SEQRES   6 B   90  ASP GLU ASP GLY SER GLY THR ILE ASP PHE GLU GLU PHE          
SEQRES   7 B   90  LEU VAL MET MET VAL ARG GLN MET LYS GLU ASP ALA              
HET     CA  A  93       1                                                       
HET     CA  A  94       1                                                       
HET     CA  B  93       1                                                       
HET     CA  B  94       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   3   CA    4(CA 2+)                                                     
FORMUL   7  HOH   *93(H2 O)                                                     
HELIX    1   1 ALA A   10  PHE A   13  1                                   4    
HELIX    2   2 GLU A   16  PHE A   29  1                                  14    
HELIX    3   3 THR A   39  MET A   48  1                                  10    
HELIX    4   4 LYS A   55  VAL A   65  1                                  11    
HELIX    5   5 PHE A   75  VAL A   83  1                                   9    
HELIX    6   6 ALA B    8  PHE B   13  1                                   6    
HELIX    7   7 GLU B   16  PHE B   29  1                                  14    
HELIX    8   8 THR B   39  MET B   48  1                                  10    
HELIX    9   9 LYS B   55  VAL B   65  1                                  11    
HELIX   10  10 PHE B   75  GLN B   85  1                                  11    
SHEET    1   A 2 ASP A  36  ILE A  37  0                                        
SHEET    2   A 2 ILE A  73  ASP A  74 -1  N  ILE A  73   O  ILE A  37           
SHEET    1   B 2 ASP B  36  ILE B  37  0                                        
SHEET    2   B 2 ILE B  73  ASP B  74 -1  O  ILE B  73   N  ILE B  37           
LINK         OD1 ASP A  30                CA    CA A  93     1555   1555  2.23  
LINK         OD1 ASP A  32                CA    CA A  93     1555   1555  2.37  
LINK         O   ASP A  36                CA    CA A  93     1555   1555  2.37  
LINK         OE2 GLU A  41                CA    CA A  93     1555   1555  2.60  
LINK         OE1 GLU A  41                CA    CA A  93     1555   1555  2.54  
LINK         OD1 ASP A  66                CA    CA A  94     1555   1555  2.26  
LINK         OD1 ASP A  68                CA    CA A  94     1555   1555  2.34  
LINK         OG  SER A  70                CA    CA A  94     1555   1555  2.59  
LINK         O   THR A  72                CA    CA A  94     1555   1555  2.59  
LINK         OE1 GLU A  77                CA    CA A  94     1555   1555  2.37  
LINK         OE2 GLU A  77                CA    CA A  94     1555   1555  2.43  
LINK        CA    CA A  93                 O   HOH A  95     1555   1555  2.24  
LINK        CA    CA A  93                 O   HOH A  96     1555   1555  2.29  
LINK        CA    CA A  94                 O   HOH A 102     1555   1555  2.46  
LINK         OD1 ASP B  30                CA    CA B  93     1555   1555  2.18  
LINK         OD1 ASP B  32                CA    CA B  93     1555   1555  2.29  
LINK         O   ASP B  36                CA    CA B  93     1555   1555  2.41  
LINK         OE2 GLU B  41                CA    CA B  93     1555   1555  2.51  
LINK         OE1 GLU B  41                CA    CA B  93     1555   1555  2.51  
LINK         OD1 ASP B  66                CA    CA B  94     1555   1555  2.27  
LINK         OD1 ASP B  68                CA    CA B  94     1555   1555  2.42  
LINK         OG  SER B  70                CA    CA B  94     1555   1555  2.52  
LINK         O   THR B  72                CA    CA B  94     1555   1555  2.51  
LINK         OE1 GLU B  77                CA    CA B  94     1555   1555  2.20  
LINK         OE2 GLU B  77                CA    CA B  94     1555   1555  2.49  
LINK        CA    CA B  93                 O   HOH B 115     1555   1555  2.51  
LINK        CA    CA B  93                 O   HOH B 144     1555   1555  2.42  
LINK        CA    CA B  94                 O   HOH B 122     1555   1555  2.33  
SITE     1 AC1  6 ASP A  30  ASP A  32  ASP A  36  GLU A  41                    
SITE     2 AC1  6 HOH A  95  HOH A  96                                          
SITE     1 AC2  6 ASP A  66  ASP A  68  SER A  70  THR A  72                    
SITE     2 AC2  6 GLU A  77  HOH A 102                                          
SITE     1 AC3  6 ASP B  30  ASP B  32  ASP B  36  GLU B  41                    
SITE     2 AC3  6 HOH B 115  HOH B 144                                          
SITE     1 AC4  6 ASP B  66  ASP B  68  SER B  70  THR B  72                    
SITE     2 AC4  6 GLU B  77  HOH B 122                                          
CRYST1   32.120   81.580   39.860  90.00 112.67  90.00 P 1 21 1      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      0.031133  0.000000  0.013004        0.00000                         
SCALE2      0.000000  0.012258  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.027188        0.00000                         
MTRIX1   1  0.694896 -0.010889  0.719028      -18.85100    1                    
MTRIX2   1 -0.018211 -0.999831  0.002459       23.34200    1                    
MTRIX3   1  0.718880 -0.014803 -0.694977       43.77500    1