HEADER    METAL BINDING PROTEIN/PEPTIDE           25-JUN-99   1QS7              
TITLE     THE 1.8 ANGSTROM STRUCTURE OF CALMODULIN RS20 PEPTIDE COMPLEX         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CALMODULIN;                                                
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: RS20;                                                      
COMPND   7 CHAIN: B, D;                                                         
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: UT481;                                     
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PVUCH-1;                                  
SOURCE   8 OTHER_DETAILS: SYNTHETIC CONSTRUCT;                                  
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES;                                                      
SOURCE  11 OTHER_DETAILS: PEPTIDE ANALOG OF THE CALMODULIN RECOGNITION REGION   
SOURCE  12 OF CHICKEN SMOOTH MUSCLE/ NONMUSCLE MYOSIN LIGHT CHAIN KINASE        
KEYWDS    CALMODULIN, CALCIUM BINDING, HELIX-LOOP-HELIX, SIGNALLING,            
KEYWDS   2 COMPLEX(CALCIUM-BINDING PROTEIN-PEPTIDE), METAL BINDING PROTEIN-     
KEYWDS   3 PEPTIDE COMPLEX                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.WEIGAND,W.F.ANDERSON                                                
REVDAT   6   13-NOV-24 1QS7    1       REMARK                                   
REVDAT   5   16-AUG-23 1QS7    1       REMARK                                   
REVDAT   4   03-NOV-21 1QS7    1       REMARK SEQADV LINK                       
REVDAT   3   24-FEB-09 1QS7    1       VERSN                                    
REVDAT   2   13-SEP-05 1QS7    1       KEYWDS REMARK MODRES MASTER              
REVDAT   1   24-JUN-03 1QS7    0                                                
JRNL        AUTH   S.WEIGAND,L.SHUVALOVA,T.J.LUKAS,S.MIRZOEVA,D.M.WATTERSON,    
JRNL        AUTH 2 W.F.ANDERSON                                                 
JRNL        TITL   HIGH RESOLUTION STRUCTURE OF A CALMODULIN RS20 PEPTIDE       
JRNL        TITL 2 COMPLEX                                                      
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.MIRZOEVA,S.WEIGAND,T.J.LUKAS,L.SHUVALOVA,W.F.ANDERSON,     
REMARK   1  AUTH 2 D.M.WATTERSON                                                
REMARK   1  TITL   ANALYSIS OF THE FUNCTIONAL COUPLING BETWEEN CALMODULIN'S     
REMARK   1  TITL 2 CALCIUM BINDING AND PEPTIDE RECOGNITION PROPERTIES           
REMARK   1  REF    BIOCHEMISTRY                  V.  38  3936 1999              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1  DOI    10.1021/BI9821263                                            
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   W.E.MEADOR,A.R.MEANS,F.A.QUIOCHO                             
REMARK   1  TITL   TARGET ENZYME RECOGNITION BY CALMODULIN: 2.4 A STRUCTURE OF  
REMARK   1  TITL 2 A CALMODULIN- PEPTIDE COMPLEX                                
REMARK   1  REF    SCIENCE                       V. 257  1251 1992              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 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, R.A. AND HUBER, R. (1991). ACTA CRYST.    
REMARK   3                      A47, 392-400.                                   
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 28.87                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1057648.920                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 25684                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.228                           
REMARK   3   FREE R VALUE                     : 0.259                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.700                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2493                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 14                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 92.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1608                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3730                       
REMARK   3   BIN FREE R VALUE                    : 0.4080                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.40                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 167                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.032                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2552                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 8                                       
REMARK   3   SOLVENT ATOMS            : 264                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 6.86000                                              
REMARK   3    B22 (A**2) : -1.66000                                             
REMARK   3    B33 (A**2) : -5.20000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.60000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.24                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.22                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.28                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.22                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 20.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.160                           
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) : 2.070 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.340 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.070 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.150 ; 2.500                
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  : MYCNSLIB:PROTEIN.PARAM                         
REMARK   3  PARAMETER FILE  2  : MYCNSLIB:ION.PARAM                             
REMARK   3  PARAMETER FILE  3  : MYCNSLIB:WATER.PARAM                           
REMARK   3  PARAMETER FILE  4  : MYCNSLIB:PATCHES.PARAM                         
REMARK   3  PARAMETER FILE  5  : MYCNSLIB:NFW.PARAM                             
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : MYCNSLIB:PROTEIN.TOP                           
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : MYCNSLIB:NFW.TOP                               
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1QS7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JUN-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009237.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-MAR-95                          
REMARK 200  TEMPERATURE           (KELVIN) : 107                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : FILTER                             
REMARK 200  OPTICS                         : COLLIMATOR                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32557                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.590                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 28.870                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 82.8                               
REMARK 200  DATA REDUNDANCY                : 3.300                              
REMARK 200  R MERGE                    (I) : 0.04200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 24.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.59                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.84                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.16000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 8.600                              
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 ENTRY 1VRK                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 36.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.94                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% (W/V) PEG 8000, 50 MM SODIUM         
REMARK 280  ACETATE 5 MM CALCIUM CHLORIDE 0.01% (W/V) SODIUM AZIDE, PH 4.6,     
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K                     
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       27.24050            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3160 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 8600 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -72.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3010 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 8490 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -62.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THE PRESENCE OR ABSENCE OF THE FORMYL BLOCKING GROUP ON              
REMARK 400 TRYPTOPHAN-4 OF THE PEPTIDE HAS NO EFFECT ON THE CALCIUM             
REMARK 400 BINDING PROPERTIES OF THE WILD-TYPE                                  
REMARK 400 CALMODULIN. (UNPUBLISHED)                                            
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     SER B    20                                                      
REMARK 465     NH2 B    21                                                      
REMARK 465     LEU C     4                                                      
REMARK 465     ARG D     1                                                      
REMARK 465     ARG D     2                                                      
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     LEU A   4    CG   CD1  CD2                                       
REMARK 470     THR A   5    OG1  CG2                                            
REMARK 470     LYS A  75    CG   CD   CE   NZ                                   
REMARK 470     ARG B   1    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS D   3    CG   CD   CE   NZ                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ALA C 147      -77.16     73.38                                   
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 151  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  20   OD1                                                    
REMARK 620 2 ASP A  22   OD1  75.5                                              
REMARK 620 3 ASP A  24   OD2  81.2  80.1                                        
REMARK 620 4 THR A  26   O    84.6 155.2  82.4                                  
REMARK 620 5 GLU A  31   OE1  94.4  77.9 157.9 118.9                            
REMARK 620 6 GLU A  31   OE2 113.7 129.8 148.2  71.8  52.9                      
REMARK 620 7 HOH A 464   O   158.1  86.5  83.6 108.9  93.9  87.4                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 152  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  56   OD2                                                    
REMARK 620 2 ASP A  58   OD2  75.3                                              
REMARK 620 3 ASN A  60   OD1  82.5  76.2                                        
REMARK 620 4 THR A  62   O    92.2 152.7  78.3                                  
REMARK 620 5 GLU A  67   OE1 109.9 129.6 152.8  77.2                            
REMARK 620 6 GLU A  67   OE2  92.3  77.7 153.8 127.7  52.5                      
REMARK 620 7 HOH A 521   O   159.3  84.7  87.6 103.7  87.0  88.5                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 153  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  93   OD2                                                    
REMARK 620 2 ASP A  95   OD2  81.4                                              
REMARK 620 3 ASN A  97   OD1  84.7  76.6                                        
REMARK 620 4 PHE A  99   O    82.9 151.1  77.9                                  
REMARK 620 5 GLU A 104   OE1  99.2  75.3 150.6 131.4                            
REMARK 620 6 GLU A 104   OE2 101.8 128.4 154.7  78.7  53.2                      
REMARK 620 7 HOH A 222   O   170.5  94.7  86.0  96.9  88.1  87.4                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 154  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 129   OD1                                                    
REMARK 620 2 ASP A 131   OD1  81.5                                              
REMARK 620 3 ASP A 133   OD1  81.0  78.9                                        
REMARK 620 4 GLN A 135   O    86.8 154.0  76.4                                  
REMARK 620 5 GLU A 140   OE1 116.9 126.4 149.1  79.6                            
REMARK 620 6 GLU A 140   OE2  90.7  78.7 157.0 124.9  53.2                      
REMARK 620 7 HOH A 216   O   159.2  84.5  81.3  99.4  83.8 101.5                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA C 151  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP C  20   OD1                                                    
REMARK 620 2 ASP C  22   OD1  73.4                                              
REMARK 620 3 ASP C  24   OD2  82.8  83.5                                        
REMARK 620 4 THR C  26   O    86.0 154.3  78.6                                  
REMARK 620 5 GLU C  31   OE2 115.7 130.4 143.7  72.4                            
REMARK 620 6 GLU C  31   OE1  94.9  77.8 161.0 120.2  53.6                      
REMARK 620 7 HOH C 319   O   157.3  88.8  81.2 106.4  86.5  94.9                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA C 152  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP C  56   OD2                                                    
REMARK 620 2 ASP C  58   OD2  74.2                                              
REMARK 620 3 ASN C  60   OD1  80.2  74.3                                        
REMARK 620 4 THR C  62   O    88.1 146.9  75.2                                  
REMARK 620 5 ASP C  64   OD1 176.6 104.9 102.8  94.3                            
REMARK 620 6 GLU C  67   OE2  83.0  80.6 152.7 125.5  93.6                      
REMARK 620 7 GLU C  67   OE1 102.4 133.7 151.8  76.8  75.8  53.5                
REMARK 620 8 HOH C 419   O   169.0  96.1  92.4  97.8  12.2 100.8  88.0          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA C 153  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP C  93   OD2                                                    
REMARK 620 2 ASP C  95   OD1  83.4                                              
REMARK 620 3 ASN C  97   OD1  84.0  76.2                                        
REMARK 620 4 PHE C  99   O    83.8 153.5  79.5                                  
REMARK 620 5 GLU C 104   OE1 101.8  77.1 151.8 128.3                            
REMARK 620 6 GLU C 104   OE2  99.2 129.4 154.3  75.6  52.8                      
REMARK 620 7 HOH C 368   O   171.6  96.5  87.9  92.8  86.3  87.3                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA C 154  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP C 129   OD1                                                    
REMARK 620 2 ASP C 131   OD1  81.4                                              
REMARK 620 3 ASP C 131   OD2 117.4  39.4                                        
REMARK 620 4 ASP C 133   OD2  90.0  78.6  94.6                                  
REMARK 620 5 GLN C 135   O    90.6 153.1 150.7  75.8                            
REMARK 620 6 GLU C 140   OE2  82.0  80.6  72.0 158.6 123.8                      
REMARK 620 7 GLU C 140   OE1 111.9 127.4  96.5 146.9  79.4  53.5                
REMARK 620 8 HOH C 372   O   159.1  81.5  51.5  74.8  99.2 107.0  88.1          
REMARK 620 N                    1     2     3     4     5     6     7           
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 151                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 152                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 153                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 154                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 151                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 152                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 153                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 154                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1VRK   RELATED DB: PDB                                   
REMARK 900 THE 1.9 ANGSTROM STRUCTURE OF E84K-CALMODULIN RS20 PEPTIDE COMPLEX   
DBREF  1QS7 A    4   148  GB     208092   AAA72492         5    149             
DBREF  1QS7 B    1    19  UNP    P19038   KMLS_CHICK    1731   1749             
DBREF  1QS7 C    4   148  GB     208092   AAA72492         5    149             
DBREF  1QS7 D    1    19  UNP    P19038   KMLS_CHICK    1731   1749             
SEQADV 1QS7 TRF B    4  UNP  P19038    TRP  1734 MODIFIED RESIDUE               
SEQADV 1QS7 SER B   20  UNP  P19038    MET  1750 ENGINEERED MUTATION            
SEQADV 1QS7 TRF D    4  UNP  P19038    TRP  1734 MODIFIED RESIDUE               
SEQADV 1QS7 SER D   20  UNP  P19038    MET  1750 ENGINEERED MUTATION            
SEQRES   1 A  145  LEU THR ASP GLU GLN ILE ALA GLU PHE LYS GLU ALA PHE          
SEQRES   2 A  145  SER LEU PHE ASP LYS ASP GLY ASP GLY THR ILE THR THR          
SEQRES   3 A  145  LYS GLU LEU GLY THR VAL MET ARG SER LEU GLY GLN ASN          
SEQRES   4 A  145  PRO THR GLU ALA GLU LEU GLN ASP MET ILE ASN GLU VAL          
SEQRES   5 A  145  ASP ALA ASP GLY ASN GLY THR ILE ASP PHE PRO GLU PHE          
SEQRES   6 A  145  LEU ASN LEU MET ALA ARG LYS MET LYS ASP THR ASP SER          
SEQRES   7 A  145  GLU GLU GLU LEU LYS GLU ALA PHE ARG VAL PHE ASP LYS          
SEQRES   8 A  145  ASP GLY ASN GLY PHE ILE SER ALA ALA GLU LEU ARG HIS          
SEQRES   9 A  145  VAL MET THR ASN LEU GLY GLU LYS LEU THR ASP GLU GLU          
SEQRES  10 A  145  VAL ASP GLU MET ILE ARG GLU ALA ASP VAL ASP GLY ASP          
SEQRES  11 A  145  GLY GLN VAL ASN TYR GLU GLU PHE VAL GLN VAL MET MET          
SEQRES  12 A  145  ALA LYS                                                      
SEQRES   1 B   21  ARG ARG LYS TRF GLN LYS THR GLY HIS ALA VAL ARG ALA          
SEQRES   2 B   21  ILE GLY ARG LEU SER SER SER NH2                              
SEQRES   1 C  145  LEU THR ASP GLU GLN ILE ALA GLU PHE LYS GLU ALA PHE          
SEQRES   2 C  145  SER LEU PHE ASP LYS ASP GLY ASP GLY THR ILE THR THR          
SEQRES   3 C  145  LYS GLU LEU GLY THR VAL MET ARG SER LEU GLY GLN ASN          
SEQRES   4 C  145  PRO THR GLU ALA GLU LEU GLN ASP MET ILE ASN GLU VAL          
SEQRES   5 C  145  ASP ALA ASP GLY ASN GLY THR ILE ASP PHE PRO GLU PHE          
SEQRES   6 C  145  LEU ASN LEU MET ALA ARG LYS MET LYS ASP THR ASP SER          
SEQRES   7 C  145  GLU GLU GLU LEU LYS GLU ALA PHE ARG VAL PHE ASP LYS          
SEQRES   8 C  145  ASP GLY ASN GLY PHE ILE SER ALA ALA GLU LEU ARG HIS          
SEQRES   9 C  145  VAL MET THR ASN LEU GLY GLU LYS LEU THR ASP GLU GLU          
SEQRES  10 C  145  VAL ASP GLU MET ILE ARG GLU ALA ASP VAL ASP GLY ASP          
SEQRES  11 C  145  GLY GLN VAL ASN TYR GLU GLU PHE VAL GLN VAL MET MET          
SEQRES  12 C  145  ALA LYS                                                      
SEQRES   1 D   21  ARG ARG LYS TRF GLN LYS THR GLY HIS ALA VAL ARG ALA          
SEQRES   2 D   21  ILE GLY ARG LEU SER SER SER NH2                              
MODRES 1QS7 TRF B    4  TRP  N1-FORMYL-TRYPTOPHAN                               
MODRES 1QS7 TRF D    4  TRP  N1-FORMYL-TRYPTOPHAN                               
HET    TRF  B   4      16                                                       
HET    TRF  D   4      16                                                       
HET    NH2  D  21       1                                                       
HET     CA  A 151       1                                                       
HET     CA  A 152       1                                                       
HET     CA  A 153       1                                                       
HET     CA  A 154       1                                                       
HET     CA  C 151       1                                                       
HET     CA  C 152       1                                                       
HET     CA  C 153       1                                                       
HET     CA  C 154       1                                                       
HETNAM     TRF N1-FORMYL-TRYPTOPHAN                                             
HETNAM     NH2 AMINO GROUP                                                      
HETNAM      CA CALCIUM ION                                                      
FORMUL   2  TRF    2(C12 H12 N2 O3)                                             
FORMUL   4  NH2    H2 N                                                         
FORMUL   5   CA    8(CA 2+)                                                     
FORMUL  13  HOH   *264(H2 O)                                                    
HELIX    1   1 THR A    5  ASP A   20  1                                  16    
HELIX    2   2 THR A   28  LEU A   39  1                                  12    
HELIX    3   3 THR A   44  ASP A   56  1                                  13    
HELIX    4   4 PHE A   65  ARG A   74  1                                  10    
HELIX    5   5 LYS A   77  ASP A   93  1                                  17    
HELIX    6   6 SER A  101  GLY A  113  1                                  13    
HELIX    7   7 THR A  117  ASP A  129  1                                  13    
HELIX    8   8 ASN A  137  ALA A  147  1                                  11    
HELIX    9   9 GLN B    5  SER B   19  1                                  15    
HELIX   10  10 THR C    5  ASP C   20  1                                  16    
HELIX   11  11 THR C   28  LEU C   39  1                                  12    
HELIX   12  12 THR C   44  ASP C   56  1                                  13    
HELIX   13  13 PHE C   65  ARG C   74  1                                  10    
HELIX   14  14 LYS C   77  ASP C   93  1                                  17    
HELIX   15  15 SER C  101  GLY C  113  1                                  13    
HELIX   16  16 THR C  117  ASP C  129  1                                  13    
HELIX   17  17 TYR C  138  MET C  146  1                                   9    
HELIX   18  18 GLN D    5  SER D   19  1                                  15    
SHEET    1   A 2 THR A  26  ILE A  27  0                                        
SHEET    2   A 2 ILE A  63  ASP A  64 -1  O  ILE A  63   N  ILE A  27           
SHEET    1   B 2 THR C  26  ILE C  27  0                                        
SHEET    2   B 2 ILE C  63  ASP C  64 -1  O  ILE C  63   N  ILE C  27           
SHEET    1   C 2 PHE C  99  ILE C 100  0                                        
SHEET    2   C 2 VAL C 136  ASN C 137 -1  O  VAL C 136   N  ILE C 100           
LINK         C   LYS B   3                 N   TRF B   4     1555   1555  1.33  
LINK         C   TRF B   4                 N   GLN B   5     1555   1555  1.33  
LINK         C   LYS D   3                 N   TRF D   4     1555   1555  1.33  
LINK         C   TRF D   4                 N   GLN D   5     1555   1555  1.33  
LINK         C   SER D  20                 N   NH2 D  21     1555   1555  1.33  
LINK         OD1 ASP A  20                CA    CA A 151     1555   1555  2.30  
LINK         OD1 ASP A  22                CA    CA A 151     1555   1555  2.36  
LINK         OD2 ASP A  24                CA    CA A 151     1555   1555  2.33  
LINK         O   THR A  26                CA    CA A 151     1555   1555  2.30  
LINK         OE1 GLU A  31                CA    CA A 151     1555   1555  2.41  
LINK         OE2 GLU A  31                CA    CA A 151     1555   1555  2.47  
LINK         OD2 ASP A  56                CA    CA A 152     1555   1555  2.32  
LINK         OD2 ASP A  58                CA    CA A 152     1555   1555  2.32  
LINK         OD1 ASN A  60                CA    CA A 152     1555   1555  2.36  
LINK         O   THR A  62                CA    CA A 152     1555   1555  2.30  
LINK         OE1 GLU A  67                CA    CA A 152     1555   1555  2.45  
LINK         OE2 GLU A  67                CA    CA A 152     1555   1555  2.46  
LINK         OD2 ASP A  93                CA    CA A 153     1555   1555  2.33  
LINK         OD2 ASP A  95                CA    CA A 153     1555   1555  2.28  
LINK         OD1 ASN A  97                CA    CA A 153     1555   1555  2.41  
LINK         O   PHE A  99                CA    CA A 153     1555   1555  2.22  
LINK         OE1 GLU A 104                CA    CA A 153     1555   1555  2.46  
LINK         OE2 GLU A 104                CA    CA A 153     1555   1555  2.40  
LINK         OD1 ASP A 129                CA    CA A 154     1555   1555  2.30  
LINK         OD1 ASP A 131                CA    CA A 154     1555   1555  2.29  
LINK         OD1 ASP A 133                CA    CA A 154     1555   1555  2.35  
LINK         O   GLN A 135                CA    CA A 154     1555   1555  2.30  
LINK         OE1 GLU A 140                CA    CA A 154     1555   1555  2.36  
LINK         OE2 GLU A 140                CA    CA A 154     1555   1555  2.48  
LINK        CA    CA A 151                 O   HOH A 464     1555   1555  2.49  
LINK        CA    CA A 152                 O   HOH A 521     1555   1555  2.48  
LINK        CA    CA A 153                 O   HOH A 222     1555   1555  2.55  
LINK        CA    CA A 154                 O   HOH A 216     1555   1555  2.58  
LINK         OD1 ASP C  20                CA    CA C 151     1555   1555  2.26  
LINK         OD1 ASP C  22                CA    CA C 151     1555   1555  2.34  
LINK         OD2 ASP C  24                CA    CA C 151     1555   1555  2.30  
LINK         O   THR C  26                CA    CA C 151     1555   1555  2.35  
LINK         OE2 GLU C  31                CA    CA C 151     1555   1555  2.39  
LINK         OE1 GLU C  31                CA    CA C 151     1555   1555  2.44  
LINK         OD2 ASP C  56                CA    CA C 152     1555   1555  2.35  
LINK         OD2 ASP C  58                CA    CA C 152     1555   1555  2.33  
LINK         OD1 ASN C  60                CA    CA C 152     1555   1555  2.34  
LINK         O   THR C  62                CA    CA C 152     1555   1555  2.32  
LINK         OD1AASP C  64                CA    CA C 152     1555   1555  2.42  
LINK         OE2 GLU C  67                CA    CA C 152     1555   1555  2.41  
LINK         OE1 GLU C  67                CA    CA C 152     1555   1555  2.41  
LINK         OD2 ASP C  93                CA    CA C 153     1555   1555  2.29  
LINK         OD1 ASP C  95                CA    CA C 153     1555   1555  2.28  
LINK         OD1 ASN C  97                CA    CA C 153     1555   1555  2.29  
LINK         O   PHE C  99                CA    CA C 153     1555   1555  2.26  
LINK         OE1 GLU C 104                CA    CA C 153     1555   1555  2.45  
LINK         OE2 GLU C 104                CA    CA C 153     1555   1555  2.45  
LINK         OD1 ASP C 129                CA    CA C 154     1555   1555  2.32  
LINK         OD1 ASP C 131                CA    CA C 154     1555   1555  2.28  
LINK         OD2 ASP C 131                CA    CA C 154     1555   1555  3.40  
LINK         OD2 ASP C 133                CA    CA C 154     1555   1555  2.35  
LINK         O   GLN C 135                CA    CA C 154     1555   1555  2.30  
LINK         OE2 GLU C 140                CA    CA C 154     1555   1555  2.45  
LINK         OE1 GLU C 140                CA    CA C 154     1555   1555  2.37  
LINK        CA    CA C 151                 O   HOH C 319     1555   1555  2.54  
LINK        CA    CA C 152                 O  BHOH C 419     1555   1555  2.36  
LINK        CA    CA C 153                 O   HOH C 368     1555   1555  2.40  
LINK        CA    CA C 154                 O   HOH C 372     1555   1555  2.50  
SITE     1 AC1  6 ASP A  20  ASP A  22  ASP A  24  THR A  26                    
SITE     2 AC1  6 GLU A  31  HOH A 464                                          
SITE     1 AC2  6 ASP A  56  ASP A  58  ASN A  60  THR A  62                    
SITE     2 AC2  6 GLU A  67  HOH A 521                                          
SITE     1 AC3  6 ASP A  93  ASP A  95  ASN A  97  PHE A  99                    
SITE     2 AC3  6 GLU A 104  HOH A 222                                          
SITE     1 AC4  6 ASP A 129  ASP A 131  ASP A 133  GLN A 135                    
SITE     2 AC4  6 GLU A 140  HOH A 216                                          
SITE     1 AC5  6 ASP C  20  ASP C  22  ASP C  24  THR C  26                    
SITE     2 AC5  6 GLU C  31  HOH C 319                                          
SITE     1 AC6  7 ASP C  56  ASP C  58  ASN C  60  THR C  62                    
SITE     2 AC6  7 ASP C  64  GLU C  67  HOH C 419                               
SITE     1 AC7  6 ASP C  93  ASP C  95  ASN C  97  PHE C  99                    
SITE     2 AC7  6 GLU C 104  HOH C 368                                          
SITE     1 AC8  6 ASP C 129  ASP C 131  ASP C 133  GLN C 135                    
SITE     2 AC8  6 GLU C 140  HOH C 372                                          
CRYST1   41.016   54.481   66.304  90.00  92.76  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      0.024381  0.000000  0.001175        0.00000                         
SCALE2      0.000000  0.018355  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015100        0.00000