1ahr
HEADER    CALCIUM-BINDING PROTEIN                 10-APR-97   1AHR              
TITLE     CALMODULIN MUTANT WITH A TWO RESIDUE DELETION IN THE                  
TITLE    2 CENTRAL HELIX                                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CALMODULIN;                                                
COMPND   3 CHAIN: NULL;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: DEL(T79), DEL(D80)                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GALLUS GALLUS;                                  
SOURCE   3 ORGANISM_COMMON: CHICKEN;                                            
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI                                  
KEYWDS    CALMODULIN, CALCIUM-BINDING PROTEIN                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.TABERNERO,J.SACK                                                    
REVDAT   1   16-JUN-97 1AHR    0                                                
JRNL        AUTH   L.TABERNERO,D.A.TAYLOR,R.J.CHANDROSS,                        
JRNL        AUTH 2 M.F.A.VANBERKUM,A.R.MEANS,F.A.QUIOCHO,J.S.SACK               
JRNL        TITL   THE STRUCTURE OF A CALMODULIN MUTANT WITH A                  
JRNL        TITL 2 DELETION IN THE CENTRAL HELIX SHOWS HOW CHANGES IN           
JRNL        TITL 3 THE CONFORMATION OF CALMODULIN EFFECT ITS FUNCTION           
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                  0353          
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION. 1.8  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) : 1.8                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.0                            
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.0                            
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.211                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1149                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 113                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.0150                          
REMARK   3   BOND ANGLES            (DEGREES) : 1.8                             
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  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1AHR COMPLIES WITH FORMAT V. 2.2, 16-DEC-1996                        
REMARK   6                                                                      
REMARK   6 SEQUENCE AND NUMBERING IS AS IN WILD TYPE CALMODULIN                 
REMARK   6 (PDB ENTRY 4CLN) WITH RESIDUES THR 79 AND ASP 80 DELETED.            
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : DEC-1988                           
REMARK 200  TEMPERATURE           (KELVIN) : 300                                
REMARK 200  PH                             : 4.25                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU-200                      
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : COLLIMATOR                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : MULTIWIRE AREA DETECTOR            
REMARK 200  DETECTOR MANUFACTURER          : ADSC                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : UCSD SOFTWARE                      
REMARK 200  DATA SCALING SOFTWARE          : ROCKS                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14407                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.8                                
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.                                 
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 67.3                               
REMARK 200  DATA REDUNDANCY                : 2.4                                
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.501                              
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.68                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR                    
REMARK 200                                         REPLACEMENT                  
REMARK 200 SOFTWARE USED: MERLOT                                                
REMARK 200 STARTING MODEL: PDB ENTRY 4CLN                                       
REMARK 200                                                                      
REMARK 200 REMARK: SEPARATE ROTATION SEARCH FOR EACH DOMAIN                     
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 28-33% MPD, 15% ETHANOL, 5MM             
REMARK 280 CACL, 20MM NA ACETATE, PH 4.25                                       
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   1/2-X,-Y,1/2+Z                                          
REMARK 290       3555   -X,1/2+Y,1/2-Z                                          
REMARK 290       4555   1/2+X,1/2-Y,-Z                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       13.54500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       50.44390            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       27.75465            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       50.44390            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       13.54500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       27.75465            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED            
REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE                 
REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL                 
REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE          
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525  0 HOH   273      DISTANCE =  5.36 ANGSTROMS                         
REMARK 525  0 HOH   293      DISTANCE =  5.18 ANGSTROMS                         
DBREF  1AHR      1   148  SWS    P07181   CALM_DROME       1    148             
SEQADV 1AHR             SWS  P07181    THR    79 ENGINEERED DELETION            
SEQADV 1AHR             SWS  P07181    ASP    80 ENGINEERED DELETION            
SEQRES   1    146  ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE LYS          
SEQRES   2    146  GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY THR          
SEQRES   3    146  ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER LEU          
SEQRES   4    146  GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET ILE          
SEQRES   5    146  ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP PHE          
SEQRES   6    146  PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS ASP          
SEQRES   7    146  SER GLU GLU GLU ILE ARG GLU ALA PHE ARG VAL PHE ASP          
SEQRES   8    146  LYS ASP GLY ASN GLY PHE ILE SER ALA ALA GLU LEU ARG          
SEQRES   9    146  HIS VAL MET THR ASN LEU GLY GLU LYS LEU THR ASP GLU          
SEQRES  10    146  GLU VAL ASP GLU MET ILE ARG GLU ALA ASP ILE ASP GLY          
SEQRES  11    146  ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL THR MET MET          
SEQRES  12    146  THR SER LYS                                                  
HET     CA    149       1                                                       
HET     CA    150       1                                                       
HET     CA    151       1                                                       
HET     CA    152       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   2   CA    4(CA1 2+)                                                    
FORMUL   3  HOH   *113(H2 O1)                                                   
HELIX    1   1 GLN      8  PHE     19  1                                  12    
HELIX    2   2 THR     29  SER     38  1                                  10    
HELIX    3   3 GLU     45  VAL     55  1                                  11    
HELIX    4   4 PHE     65  PHE     92  1                                  26    
HELIX    5   5 ALA    102  LEU    112  1                                  11    
HELIX    6   6 ASP    118  GLU    127  1                                  10    
HELIX    7   7 TYR    138  MET    144  1                                   7    
SHEET    1   A 2 PHE    99  SER   101  0                                        
SHEET    2   A 2 GLN   135  ASN   137 -1  N  VAL   136   O  ILE   100           
LINK        CA    CA   149                 OD1 ASP    20                        
LINK        CA    CA   149                 O   THR    26                        
LINK        CA    CA   149                 OE1 GLU    31                        
LINK        CA    CA   150                 OD1 ASP    56                        
LINK        CA    CA   150                 OD1 ASN    60                        
LINK        CA    CA   150                 O   THR    62                        
LINK        CA    CA   150                 OE2 GLU    67                        
LINK        CA    CA   151                 OD1 ASP    93                        
LINK        CA    CA   151                 OD1 ASN    97                        
LINK        CA    CA   151                 O   PHE    99                        
LINK        CA    CA   152                 OD1 ASP   129                        
LINK        CA    CA   152                 OD1 ASP   131                        
LINK        CA    CA   152                 OD1 ASP   133                        
LINK        CA    CA   152                 O   GLN   135                        
LINK        CA    CA   152                 OE2 GLU   140                        
CRYST1   27.090   55.510  100.890  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      0.036914  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018015  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009912        0.00000
(ATOM LINES ARE NOT SHOWN.)
END