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Database: PDB
Entry: 1DTL
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Original site: 1DTL 
HEADER    STRUCTURAL PROTEIN                      12-JAN-00   1DTL              
TITLE     CRYSTAL STRUCTURE OF CALCIUM-SATURATED (3CA2+) CARDIAC TROPONIN C     
TITLE    2 COMPLEXED WITH THE CALCIUM SENSITIZER BEPRIDIL AT 2.15 A RESOLUTION  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CARDIAC TROPONIN C;                                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GALLUS GALLUS;                                  
SOURCE   3 ORGANISM_COMMON: CHICKEN;                                            
SOURCE   4 ORGANISM_TAXID: 9031;                                                
SOURCE   5 ORGAN: HEART;                                                        
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: BL21(DE3)PLYSS                             
KEYWDS    HELIX-TURN-HELIX, STRUCTURAL PROTEIN                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.LI,M.L.LOVE,J.A.PUTKEY,C.COHEN                                      
REVDAT   4   09-AUG-23 1DTL    1       REMARK                                   
REVDAT   3   03-NOV-21 1DTL    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1DTL    1       VERSN                                    
REVDAT   1   12-MAY-00 1DTL    0                                                
JRNL        AUTH   Y.LI,M.L.LOVE,J.A.PUTKEY,C.COHEN                             
JRNL        TITL   BEPRIDIL OPENS THE REGULATORY N-TERMINAL LOBE OF CARDIAC     
JRNL        TITL 2 TROPONIN C.                                                  
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  97  5140 2000              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   10792039                                                     
JRNL        DOI    10.1073/PNAS.090098997                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.15 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) : 2.15                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 500.00                         
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 7829                           
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) : 0.213                           
REMARK   3   FREE R VALUE                     : 0.276                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 405                             
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) : 2.15                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.25                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 846                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2550                       
REMARK   3   BIN FREE R VALUE                    : 0.3560                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 34                           
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            : 1181                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 84                                      
REMARK   3   SOLVENT ATOMS            : 123                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.63                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -2.19300                                             
REMARK   3    B22 (A**2) : 1.09700                                              
REMARK   3    B33 (A**2) : 1.09700                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED 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) : 0.017                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.450                           
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : BEPRIDIL.PAR2                                  
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1DTL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JAN-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000010355.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-SEP-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 95                                 
REMARK 200  PH                             : 7.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : A1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.935                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : CUSTOM-MADE                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 7998                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.150                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 6.830                              
REMARK 200  R MERGE                    (I) : 0.06600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 34.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.23                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.12                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.12600                            
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: PDB ENTRIES 1AVS AND 1TN4                            
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 35.14                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3350 MONODISPERSE, MAGNESIUM          
REMARK 280  CHLORIDE, CALCIUM CHLORIDE, HEPES, BEPRIDIL, HCL, PH 7.2, VAPOR     
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 277K                           
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       18.13500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       31.02000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.02000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       31.02000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       18.13500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       31.02000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     ASP A     2                                                      
REMARK 465     ASP A     3                                                      
REMARK 465     ILE A     4                                                      
REMARK 465     ASP A    87                                                      
REMARK 465     ASP A    88                                                      
REMARK 465     SER A    89                                                      
REMARK 465     LYS A    90                                                      
REMARK 465     GLY A    91                                                      
REMARK 465     GLY A   125                                                      
REMARK 465     GLU A   126                                                      
REMARK 465     GLU A   161                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLN A 122    CG   CD   OE1  NE2                                  
REMARK 470     THR A 124    CB   OG1  CG2                                       
REMARK 470     VAL A 160    O    CB   CG1  CG2                                  
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 201  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  65   OD2                                                    
REMARK 620 2 ASP A  67   OD1  71.1                                              
REMARK 620 3 SER A  69   OG   95.4  83.3                                        
REMARK 620 4 THR A  71   O    90.7 154.0  80.1                                  
REMARK 620 5 GLU A  76   OE1 109.4 125.0 146.7  77.9                            
REMARK 620 6 GLU A  76   OE2  79.6  75.2 158.4 120.7  52.4                      
REMARK 620 7 HOH A 414   O   165.7  95.1  86.0 103.5  75.3  93.8                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 202  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 105   OD1                                                    
REMARK 620 2 ASN A 107   OD1  77.4                                              
REMARK 620 3 ASP A 109   OD1  80.6  80.1                                        
REMARK 620 4 TYR A 111   O    78.2 150.6  80.0                                  
REMARK 620 5 GLU A 116   OE1 122.3 128.6 144.2  78.9                            
REMARK 620 6 GLU A 116   OE2  99.7  81.9 161.5 118.4  50.1                      
REMARK 620 7 HOH A 408   O   161.3  87.6  85.9 112.2  75.9  89.0                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 203  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 141   OD2                                                    
REMARK 620 2 ASN A 143   OD1  79.4                                              
REMARK 620 3 ASP A 145   OD1  78.2  83.0                                        
REMARK 620 4 ARG A 147   O    82.4 153.2  74.1                                  
REMARK 620 5 GLU A 152   OE1 116.4 125.9 148.3  79.9                            
REMARK 620 6 GLU A 152   OE2  92.3  77.8 159.9 122.6  51.8                      
REMARK 620 7 HOH A 413   O   162.4  87.2  89.1 105.9  80.7  95.9                
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 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 202                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 203                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEP A 204                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEP A 205                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEP A 206                 
DBREF  1DTL A    1   161  UNP    P09860   TNNC1_CHICK      1    161             
SEQADV 1DTL SER A   35  UNP  P09860    CYS    35 ENGINEERED MUTATION            
SEQADV 1DTL SER A   84  UNP  P09860    CYS    84 ENGINEERED MUTATION            
SEQADV 1DTL SER A   93  UNP  P09860    THR    93 CONFLICT                       
SEQRES   1 A  161  MET ASP ASP ILE TYR LYS ALA ALA VAL GLU GLN LEU THR          
SEQRES   2 A  161  GLU GLU GLN LYS ASN GLU PHE LYS ALA ALA PHE ASP ILE          
SEQRES   3 A  161  PHE VAL LEU GLY ALA GLU ASP GLY SER ILE SER THR LYS          
SEQRES   4 A  161  GLU LEU GLY LYS VAL MET ARG MET LEU GLY GLN ASN PRO          
SEQRES   5 A  161  THR PRO GLU GLU LEU GLN GLU MET ILE ASP GLU VAL ASP          
SEQRES   6 A  161  GLU ASP GLY SER GLY THR VAL ASP PHE ASP GLU PHE LEU          
SEQRES   7 A  161  VAL MET MET VAL ARG SER MET LYS ASP ASP SER LYS GLY          
SEQRES   8 A  161  LYS SER GLU GLU GLU LEU SER ASP LEU PHE ARG MET PHE          
SEQRES   9 A  161  ASP LYS ASN ALA ASP GLY TYR ILE ASP LEU GLU GLU LEU          
SEQRES  10 A  161  LYS ILE MET LEU GLN ALA THR GLY GLU THR ILE THR GLU          
SEQRES  11 A  161  ASP ASP ILE GLU GLU LEU MET LYS ASP GLY ASP LYS ASN          
SEQRES  12 A  161  ASN ASP GLY ARG ILE ASP TYR ASP GLU PHE LEU GLU PHE          
SEQRES  13 A  161  MET LYS GLY VAL GLU                                          
HET     CA  A 201       1                                                       
HET     CA  A 202       1                                                       
HET     CA  A 203       1                                                       
HET    BEP  A 204      27                                                       
HET    BEP  A 205      27                                                       
HET    BEP  A 206      27                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     BEP 1-ISOBUTOXY-2-PYRROLIDINO-3[N-BENZYLANILINO] PROPANE             
HETSYN     BEP BEPRIDIL                                                         
FORMUL   2   CA    3(CA 2+)                                                     
FORMUL   5  BEP    3(C24 H34 N2 O)                                              
FORMUL   8  HOH   *123(H2 O)                                                    
HELIX    1   1 ALA A    7  LEU A   12  5                                   6    
HELIX    2   2 THR A   13  VAL A   28  1                                  16    
HELIX    3   3 ALA A   31  SER A   35  5                                   5    
HELIX    4   4 SER A   37  LEU A   48  1                                  12    
HELIX    5   5 THR A   53  ASP A   65  1                                  13    
HELIX    6   6 ASP A   73  LYS A   86  1                                  14    
HELIX    7   7 LYS A   92  ASP A  105  1                                  14    
HELIX    8   8 LEU A  114  LYS A  118  1                                   5    
HELIX    9   9 ILE A  119  GLN A  122  5                                   4    
HELIX   10  10 THR A  129  ASP A  141  1                                  13    
HELIX   11  11 TYR A  150  GLY A  159  1                                  10    
SHEET    1   A 2 TYR A 111  ASP A 113  0                                        
SHEET    2   A 2 ARG A 147  ASP A 149 -1  N  ILE A 148   O  ILE A 112           
LINK         OD2 ASP A  65                CA    CA A 201     1555   1555  2.32  
LINK         OD1 ASP A  67                CA    CA A 201     1555   1555  2.34  
LINK         OG  SER A  69                CA    CA A 201     1555   1555  2.30  
LINK         O   THR A  71                CA    CA A 201     1555   1555  2.31  
LINK         OE1 GLU A  76                CA    CA A 201     1555   1555  2.59  
LINK         OE2 GLU A  76                CA    CA A 201     1555   1555  2.46  
LINK         OD1 ASP A 105                CA    CA A 202     1555   1555  2.29  
LINK         OD1 ASN A 107                CA    CA A 202     1555   1555  2.31  
LINK         OD1 ASP A 109                CA    CA A 202     1555   1555  2.59  
LINK         O   TYR A 111                CA    CA A 202     1555   1555  2.44  
LINK         OE1 GLU A 116                CA    CA A 202     1555   1555  2.70  
LINK         OE2 GLU A 116                CA    CA A 202     1555   1555  2.56  
LINK         OD2 ASP A 141                CA    CA A 203     1555   1555  2.51  
LINK         OD1 ASN A 143                CA    CA A 203     1555   1555  2.48  
LINK         OD1 ASP A 145                CA    CA A 203     1555   1555  2.53  
LINK         O   ARG A 147                CA    CA A 203     1555   1555  2.29  
LINK         OE1 GLU A 152                CA    CA A 203     1555   1555  2.51  
LINK         OE2 GLU A 152                CA    CA A 203     1555   1555  2.69  
LINK        CA    CA A 201                 O   HOH A 414     1555   1555  2.26  
LINK        CA    CA A 202                 O   HOH A 408     1555   1555  2.57  
LINK        CA    CA A 203                 O   HOH A 413     1555   1555  2.37  
SITE     1 AC1  6 ASP A  65  ASP A  67  SER A  69  THR A  71                    
SITE     2 AC1  6 GLU A  76  HOH A 414                                          
SITE     1 AC2  6 ASP A 105  ASN A 107  ASP A 109  TYR A 111                    
SITE     2 AC2  6 GLU A 116  HOH A 408                                          
SITE     1 AC3  6 ASP A 141  ASN A 143  ASP A 145  ARG A 147                    
SITE     2 AC3  6 GLU A 152  HOH A 413                                          
SITE     1 AC4  7 PHE A  27  LEU A  41  MET A  45  MET A  60                    
SITE     2 AC4  7 MET A  80  GLU A  96  BEP A 205                               
SITE     1 AC5 10 PHE A  20  ALA A  23  MET A  81  LEU A 100                    
SITE     2 AC5 10 PHE A 104  LEU A 117  MET A 120  PHE A 156                    
SITE     3 AC5 10 MET A 157  BEP A 204                                          
SITE     1 AC6  8 GLU A  14  MET A  45  GLN A  50  PRO A  52                    
SITE     2 AC6  8 GLU A  56  GLU A  96  ASP A  99  MET A 103                    
CRYST1   36.270   62.040   62.040  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.027571  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016119  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016119        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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