1a2x
HEADER    COMPLEX (SKELETAL MUSCLE/MUSCLE PROTEIN)13-JAN-98   1A2X              
TITLE     COMPLEX OF TROPONIN C WITH A 47 RESIDUE (1-47) FRAGMENT OF            
TITLE    2 TROPONIN I                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TROPONIN C;                                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 BIOLOGICAL_UNIT: MONOMER WITHIN TERNARY COMPLEX WITH                 
COMPND   6 TROPONIN I AND TROPONIN T;                                           
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: TROPONIN I;                                                
COMPND   9 CHAIN: B;                                                            
COMPND  10 FRAGMENT: RESIDUES 1 - 47;                                           
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 BIOLOGICAL_UNIT: FULL LENGTH MONOMER WITHIN TERNARY COMPLEX          
COMPND  13 WITH TROPONIN C AND TROPONIN T                                       
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS;                          
SOURCE   3 ORGANISM_COMMON: RABBIT;                                             
SOURCE   4 TISSUE: FAST SKELETAL MUSCLE;                                        
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: K;                                         
SOURCE   7 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM;                      
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PMALC2;                                   
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS;                          
SOURCE  11 ORGANISM_COMMON: RABBIT;                                             
SOURCE  12 TISSUE: FAST SKELETAL MUSCLE;                                        
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_STRAIN: K;                                         
SOURCE  15 EXPRESSION_SYSTEM_CELLULAR_LOCATION: INCLUSION BODY;                 
SOURCE  16 EXPRESSION_SYSTEM_PLASMID: PTRC                                      
KEYWDS    TROPONIN, MUSCLE CONTRACTION REGULATION,                              
KEYWDS   2 COMPLEX (SKELETAL MUSCLE/MUSCLE PROTEIN)                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.G.VASSYLYEV,S.TAKEDA,S.WAKATSUKI,K.MAEDA,Y.MAEDA                    
REVDAT   1   15-JUL-98 1A2X    0                                                
JRNL        AUTH   D.G.VASSYLYEV,S.TAKEDA,S.WAKATSUKI,K.MAEDA,Y.MAEDA           
JRNL        TITL   CRYSTAL STRUCTURE OF TROPONIN C IN COMPLEX WITH              
JRNL        TITL 2 TROPONIN I FRAGMENT AT 2.3-A RESOLUTION                      
JRNL        REF    PROC.NAT.ACAD.SCI.USA         V.  95  4847 1998              
JRNL        REFN   ASTM PNASA6  US ISSN 0027-8424                 0040          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   Y.SAIJO,S.TAKEDA,A.SCHERER,T.KOBAYASHI,Y.MAEDA,              
REMARK   1  AUTH 2 H.TANIGUCHI,M.YAO,S.WAKATSUKI                                
REMARK   1  TITL   PRODUCTION, CRYSTALLIZATION, AND PRELIMINARY X-RAY           
REMARK   1  TITL 2 ANALYSIS OF RABBIT SKELETAL MUSCLE TROPONIN COMPLEX          
REMARK   1  TITL 3 CONSISTING OF TROPONIN C AND FRAGMENT (1-47) OF              
REMARK   1  TITL 4 TROPONIN I                                                   
REMARK   1  REF    PROTEIN SCI.                  V.   6   916 1997              
REMARK   1  REFN   ASTM PRCIEI  US ISSN 0961-8368                 0795          
REMARK   2                                                                      
REMARK   2 RESOLUTION. 2.3  ANGSTROMS.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.3                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.0                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.                             
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 100000000000.                  
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.                             
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 8736                           
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) : 0.222                           
REMARK   3   FREE R VALUE                     : 0.325                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.                              
REMARK   3   FREE R VALUE TEST SET COUNT      : 591                             
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           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.3                          
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.4                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.4                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1000                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.337                        
REMARK   3   BIN FREE R VALUE                    : 0.389                        
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 6.7                          
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 58                           
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            : 1502                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 89                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 45.                            
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 41.                            
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) : 0.30                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.28                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 6.                              
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) : 0.01                            
REMARK   3   BOND ANGLES            (DEGREES) : 1.28                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.8                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.72                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 4.9   ; 1.5                  
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 6.6   ; 2.0                  
REMARK   3   SIDE-CHAIN BOND              (A**2) : 4.6   ; 2.0                  
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 8.0   ; 2.5                  
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  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1A2X COMPLIES WITH FORMAT V. 2.2, 16-DEC-1996                        
REMARK   6                                                                      
REMARK   6 IN CHAIN A, RESIDUE 1 IS DISORDERED.  IN CHAIN B, RESIDUES           
REMARK   6 1, 2 AND 34 - 47 ARE DISORDERED.  THESE RESIDUES ARE NOT             
REMARK   6 INCLUDED IN THE ENTRY.                                               
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : JUN-1997                           
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM-14                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97                               
REMARK 200  MONOCHROMATOR                  : MONOCHROMATOR                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : 30 CM 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   : 8870                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.3                                
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.                                
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.                                 
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.3                               
REMARK 200  DATA REDUNDANCY                : 4.5                                
REMARK 200  R MERGE                    (I) : 0.05                               
REMARK 200  R SYM                      (I) : 0.05                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.2                                
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.3                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.4                      
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.                                
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.3                                
REMARK 200  R MERGE FOR SHELL          (I) : 0.30                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.3                                
REMARK 200                                                                      
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIR/MAD                      
REMARK 200 SOFTWARE USED: CCP4                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 35.0                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.3                      
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING-DROP VAPOR DIFFUSION             
REMARK 280 METHOD WAS USED AT 289K BY MIXING THE PROTEIN                        
REMARK 280 SOLUTION CONTAINING 25-30MG/ML OF THE CI47 COMPLEX WITH A            
REMARK 280 RESERVOIR SOLUTION CONTAINING 1.5M SODIUM CITRATE, 0.1M              
REMARK 280 TRIS-HCL, PH 8.0, 15% TREHALOSE.                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   Y-X,-X,Z+1/3                                            
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,1/3-Z                                            
REMARK 290       6555   -X,Y-X,2/3-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 -0.500000 -0.866007  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866044 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      101.53315            
REMARK 290   SMTRY1   3 -0.500000  0.866007  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866044 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       50.76658            
REMARK 290   SMTRY1   4 -0.500000  0.866007  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866044  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       50.76658            
REMARK 290   SMTRY1   6 -0.500000 -0.866007  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866044  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      101.53315            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 650                                                                      
REMARK 650 HELIX                                                                
REMARK 650 DETERMINATION METHOD: AUTHOR-DETERMINED                              
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 DETERMINATION METHOD: AUTHOR-DETERMINED                              
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 1A2X  A    SWS     P02586       1 -     1 NOT IN ATOMS LIST          
REMARK 999 1A2X  B    SWS     P02643       1 -     2 NOT IN ATOMS LIST          
REMARK 999 1A2X  B    SWS     P02643      34 -   181 NOT IN ATOMS LIST          
REMARK 999                                                                      
REMARK 999 CHAIN B REPRESENTS A 47 RESIDUE FRAGMENT OF TROPONIN I.              
REMARK 999 RESIDUES 48 - 181 WERE NOT EXPRESSED AND ARE NOT INCLUDED            
REMARK 999 IN THIS ENTRY.                                                       
DBREF  1A2X A    2   159  SWS    P02586   TPCS_RABIT       2    159             
DBREF  1A2X B    3    33  SWS    P02643   TRIF_RABIT       3     33             
SEQRES   1 A  159  THR ASP GLN GLN ALA GLU ALA ARG SER TYR LEU SER GLU          
SEQRES   2 A  159  GLU MET ILE ALA GLU PHE LYS ALA ALA PHE ASP MET PHE          
SEQRES   3 A  159  ASP ALA ASP GLY GLY GLY ASP ILE SER VAL LYS GLU LEU          
SEQRES   4 A  159  GLY THR VAL MET ARG MET LEU GLY GLN THR PRO THR LYS          
SEQRES   5 A  159  GLU GLU LEU ASP ALA ILE ILE GLU GLU VAL ASP GLU ASP          
SEQRES   6 A  159  GLY SER GLY THR ILE ASP PHE GLU GLU PHE LEU VAL MET          
SEQRES   7 A  159  MET VAL ARG GLN MET LYS GLU ASP ALA LYS GLY LYS SER          
SEQRES   8 A  159  GLU GLU GLU LEU ALA GLU CYS PHE ARG ILE PHE ASP ARG          
SEQRES   9 A  159  ASN ALA ASP GLY TYR ILE ASP ALA GLU GLU LEU ALA GLU          
SEQRES  10 A  159  ILE PHE ARG ALA SER GLY GLU HIS VAL THR ASP GLU GLU          
SEQRES  11 A  159  ILE GLU SER LEU MET LYS ASP GLY ASP LYS ASN ASN ASP          
SEQRES  12 A  159  GLY ARG ILE ASP PHE ASP GLU PHE LEU LYS MET MET GLU          
SEQRES  13 A  159  GLY VAL GLN                                                  
SEQRES   1 B   47  GLY ASP GLU GLU LYS ARG ASN ARG ALA ILE THR ALA ARG          
SEQRES   2 B   47  ARG GLN HIS LEU LYS SER VAL MET LEU GLN ILE ALA ALA          
SEQRES   3 B   47  THR GLU LEU GLU LYS GLU GLU GLY ARG ARG GLU ALA GLU          
SEQRES   4 B   47  LYS GLN ASN TYR LEU ALA GLU HIS                              
HET     CA  A 160       1                                                       
HET     CA  A 161       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   3   CA    2(CA1 2+)                                                    
FORMUL   4  HOH   *89(H2 O1)                                                    
HELIX    1   1 GLN A    4  TYR A   10  1                                   7    
HELIX    2   2 GLU A   13  PHE A   26  1                                  14    
HELIX    3   3 VAL A   36  MET A   45  1                                  10    
HELIX    4   4 LYS A   52  VAL A   62  1                                  11    
HELIX    5   5 PHE A   72  GLU A   85  1                                  14    
HELIX    6   6 GLU A   92  PHE A  102  1                                  11    
HELIX    7   7 ALA A  112  ILE A  118  1                                   7    
HELIX    8   8 ASP A  128  GLY A  138  1                                  11    
HELIX    9   9 PHE A  148  MET A  155  1                                   8    
HELIX   10  10 LYS B    5  LYS B   31  1                                  27    
SHEET    1   A 2 ASP A  33  SER A  35  0                                        
SHEET    2   A 2 THR A  69  ASP A  71 -1  N  ILE A  70   O  ILE A  34           
SHEET    1   B 2 TYR A 109  ASP A 111  0                                        
SHEET    2   B 2 ARG A 145  ASP A 147 -1  N  ILE A 146   O  ILE A 110           
LINK        CA    CA A 160                 OD1 ASP A 103                        
LINK        CA    CA A 160                 OD1 ASN A 105                        
LINK        CA    CA A 160                 OD1 ASP A 107                        
LINK        CA    CA A 160                 OE1 GLU A 114                        
LINK        CA    CA A 160                 OE2 GLU A 114                        
LINK        CA    CA A 161                 OD1 ASN A 141                        
LINK        CA    CA A 161                 OE1 GLU A 150                        
CRYST1   46.900   46.900  152.300  90.00  90.00 120.00 P 32 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.021322  0.012310  0.000000        0.00000                         
SCALE2      0.000000  0.024620  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006566        0.00000  
(ATOM LINES ARE NOT SHOWN.)
END