HEADER    CALCIUM-BINDING PROTEIN                 06-JAN-94   1SCM              
TITLE     STRUCTURE OF THE REGULATORY DOMAIN OF SCALLOP MYOSIN AT 2.8 ANGSTROMS 
TITLE    2 RESOLUTION                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MYOSIN HEAVY CHAIN;                                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: MYOSIN REGULATORY LIGHT CHAIN;                             
COMPND   7 CHAIN: B;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: MYOSIN ESSENTIAL LIGHT CHAIN;                              
COMPND  11 CHAIN: C;                                                            
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ARGOPECTEN IRRADIANS;                           
SOURCE   3 ORGANISM_TAXID: 31199;                                               
SOURCE   4 MOL_ID: 2;                                                           
SOURCE   5 ORGANISM_SCIENTIFIC: ARGOPECTEN IRRADIANS;                           
SOURCE   6 ORGANISM_TAXID: 31199;                                               
SOURCE   7 MOL_ID: 3;                                                           
SOURCE   8 ORGANISM_SCIENTIFIC: ARGOPECTEN IRRADIANS;                           
SOURCE   9 ORGANISM_TAXID: 31199                                                
KEYWDS    CALCIUM-BINDING PROTEIN                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.COHEN,X.XIE                                                         
REVDAT   5   14-FEB-24 1SCM    1       REMARK LINK                              
REVDAT   4   04-APR-18 1SCM    1       REMARK                                   
REVDAT   3   24-FEB-09 1SCM    1       VERSN                                    
REVDAT   2   01-APR-03 1SCM    1       JRNL                                     
REVDAT   1   30-APR-94 1SCM    0                                                
JRNL        AUTH   X.XIE,D.H.HARRISON,I.SCHLICHTING,R.M.SWEET,V.N.KALABOKIS,    
JRNL        AUTH 2 A.G.SZENT-GYORGYI,C.COHEN                                    
JRNL        TITL   STRUCTURE OF THE REGULATORY DOMAIN OF SCALLOP MYOSIN AT 2.8  
JRNL        TITL 2 A RESOLUTION.                                                
JRNL        REF    NATURE                        V. 368   306 1994              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   8127365                                                      
JRNL        DOI    10.1038/368306A0                                             
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   H.KWON,E.B.GOODWIN,L.NYITRAY,E.BERLINER,E.O'NEALL-HENNESSEY, 
REMARK   1  AUTH 2 F.D.MELANDRI,A.G.SZENT-GYORGYI                               
REMARK   1  TITL   ISOLATION OF THE REGULATORY DOMAIN OF SCALLOP MYOSIN: ROLE   
REMARK   1  TITL 2 OF THE ESSENTIAL LIGHT CHAIN IN CALCIUM BINDING              
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  87  4771 1990              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
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             : 8960                           
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) : 0.201                           
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            : 2814                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
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) : 0.016                           
REMARK   3   BOND ANGLES            (DEGREES) : 3.760                           
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  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THE ELECTRON DENSITY FOR LEU (B12) AND PRO (B13) WHICH ARE          
REMARK   3  THE FIRST TWO RESIDUES IN THE RLC IS NOT CLEAR ENOUGH TO            
REMARK   3  DEFINE THE GEOMETRY WELL.                                           
REMARK   4                                                                      
REMARK   4 1SCM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000176319.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
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 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.49                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
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       43.50000            
REMARK 290   SMTRY3   2  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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7500 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18520 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -73.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
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     GLY B   150                                                      
REMARK 465     SER B   151                                                      
REMARK 465     GLY B   152                                                      
REMARK 465     GLU B   153                                                      
REMARK 465     GLU B   154                                                      
REMARK 465     GLU B   155                                                      
REMARK 465     ALA B   156                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 777   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG A 790   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ARG A 813   NE  -  CZ  -  NH1 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    TRP A 818   CD1 -  CG  -  CD2 ANGL. DEV. =   8.0 DEGREES          
REMARK 500    TRP A 818   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    TRP A 818   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.4 DEGREES          
REMARK 500    ARG A 822   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    TRP A 824   CD1 -  CG  -  CD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    TRP A 824   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500    TRP A 826   CD1 -  CG  -  CD2 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    TRP A 826   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    TRP A 827   CD1 -  CG  -  CD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    TRP A 827   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    MET B  20   CA  -  CB  -  CG  ANGL. DEV. =  11.7 DEGREES          
REMARK 500    MET B  20   CG  -  SD  -  CE  ANGL. DEV. =  10.0 DEGREES          
REMARK 500    ARG B  31   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    GLU B  45   CA  -  CB  -  CG  ANGL. DEV. =  18.0 DEGREES          
REMARK 500    LEU B  80   CA  -  CB  -  CG  ANGL. DEV. =  13.9 DEGREES          
REMARK 500    SER B  81   CA  -  C   -  N   ANGL. DEV. = -12.2 DEGREES          
REMARK 500    ILE B 148   CG1 -  CB  -  CG2 ANGL. DEV. = -15.2 DEGREES          
REMARK 500    TRP C  21   CD1 -  CG  -  CD2 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    TRP C  21   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    ARG C  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    LEU C  33   CA  -  CB  -  CG  ANGL. DEV. =  15.2 DEGREES          
REMARK 500    PRO C  44   N   -  CA  -  C   ANGL. DEV. =  21.8 DEGREES          
REMARK 500    CYS C  78   CA  -  CB  -  SG  ANGL. DEV. =   9.2 DEGREES          
REMARK 500    GLU C  79   CA  -  C   -  N   ANGL. DEV. = -14.2 DEGREES          
REMARK 500    GLN C  98   N   -  CA  -  C   ANGL. DEV. = -16.9 DEGREES          
REMARK 500    LEU C 128   CA  -  C   -  N   ANGL. DEV. = -34.2 DEGREES          
REMARK 500    THR C 129   N   -  CA  -  C   ANGL. DEV. = -23.4 DEGREES          
REMARK 500    LEU C 131   CA  -  C   -  O   ANGL. DEV. =  15.6 DEGREES          
REMARK 500    LEU C 131   CA  -  C   -  N   ANGL. DEV. = -21.6 DEGREES          
REMARK 500    TYR C 141   CB  -  CG  -  CD2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    ARG B  31       -5.07     61.48                                   
REMARK 500    PRO B  51     -173.77    -63.19                                   
REMARK 500    ASP B  52      -84.99   -115.08                                   
REMARK 500    ASP B  53      -55.72   -150.16                                   
REMARK 500    LYS B  54      -46.12    -29.04                                   
REMARK 500    ASP B  78       54.80    -98.75                                   
REMARK 500    LYS B  79      -37.28   -173.61                                   
REMARK 500    THR B  83      133.76     -5.48                                   
REMARK 500    GLU B  86      -76.16    -37.11                                   
REMARK 500    ILE B  89       47.11    -74.69                                   
REMARK 500    ARG B  90      -37.93   -166.35                                   
REMARK 500    ASN B 119      140.93    -35.75                                   
REMARK 500    GLN C   5       49.39     18.39                                   
REMARK 500    GLU C   7       78.21   -169.88                                   
REMARK 500    ASP C  25       40.41   -145.18                                   
REMARK 500    PRO C  44      -84.15   -130.13                                   
REMARK 500    ARG C  45      -74.26     83.83                                   
REMARK 500    VAL C  52      120.19     63.13                                   
REMARK 500    HIS C  56       -5.30    176.69                                   
REMARK 500    ASP C  77       65.95   -112.43                                   
REMARK 500    CYS C  78     -139.43   -103.04                                   
REMARK 500    THR C  92      -52.91     -3.87                                   
REMARK 500    GLU C 115       71.32   -112.30                                   
REMARK 500    ARG C 116      143.56    -31.98                                   
REMARK 500    ASP C 119       -2.93    -57.36                                   
REMARK 500    THR C 129     -118.42   -149.06                                   
REMARK 500    ASP C 130      -40.93   -155.40                                   
REMARK 500    LEU C 131       72.21     15.49                                   
REMARK 500    GLN C 132       99.63    -68.00                                   
REMARK 500    ASP C 134     -179.99    -54.57                                   
REMARK 500    ALA C 150       46.68    -74.58                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 LEU B   12     PRO B   13                 -142.57                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    LEU C 128         19.04                                           
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 B 502  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B  28   OD2                                                    
REMARK 620 2 ASP B  28   OD1  42.3                                              
REMARK 620 3 ASP B  30   OD1 121.1  89.1                                        
REMARK 620 4 ASP B  32   OD1 110.3 127.8  69.7                                  
REMARK 620 5 PHE B  34   O   118.6 156.9 113.9  65.5                            
REMARK 620 6 ASP B  39   OD2 118.8  78.9  58.3 121.2 111.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA C 501  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP C  19   O                                                      
REMARK 620 2 ASP C  19   OD1  65.6                                              
REMARK 620 3 ASP C  22   OD1  74.5 119.1                                        
REMARK 620 4 ASP C  22   O    81.7 139.9  69.6                                  
REMARK 620 5 GLY C  23   O    65.8  82.1 120.8  62.9                            
REMARK 620 6 ASP C  25   OD1 130.0  83.0 154.3 102.8  72.4                      
REMARK 620 7 ALA C  27   O   118.7  72.8  89.7 146.6 147.7  84.3                
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 C 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 502                  
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 SEQUENCE ADVISORY NOTICE:                                            
REMARK 999      DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE.                 
REMARK 999                                                                      
REMARK 999      SWISS-PROT ENTRY NAME: MLR_AEQIR                                
REMARK 999                                                                      
REMARK 999      SWISS-PROT RESIDUE      PDB SEQRES                              
REMARK 999        NAME   NUMBER         NAME  CHAIN  SEQ/INSERT CODE            
REMARK 999        GLN     86            GLU           86                        
REMARK 999        ASN    101            THR          101                        
REMARK 999                                                                      
REMARK 999 TWO ERRORS WERE FOUND IN THE ORIGINAL RLC SEQUENCE BY DRS.           
REMARK 999 GOODWIN, LEINWAND AND SZENT-GYORGYI (J.MOL.BIOL. 216, 85-93          
REMARK 999 TO BE CORRECT.                                                       
DBREF  1SCM A  777   836  UNP    P24733   MYS_AEQIR      777    836             
DBREF  1SCM B   12   156  UNP    P13543   MLR_AEQIR       12    156             
DBREF  1SCM C    4   152  UNP    P07291   MLE_AEQIR        4    152             
SEQRES   1 A   60  ARG LEU SER LYS ILE ILE SER MET PHE GLN ALA HIS ILE          
SEQRES   2 A   60  ARG GLY TYR LEU ILE ARG LYS ALA TYR LYS LYS LEU GLN          
SEQRES   3 A   60  ASP GLN ARG ILE GLY LEU SER VAL ILE GLN ARG ASN ILE          
SEQRES   4 A   60  ARG LYS TRP LEU VAL LEU ARG ASN TRP GLN TRP TRP LYS          
SEQRES   5 A   60  LEU TYR SER LYS VAL LYS PRO LEU                              
SEQRES   1 B  145  LEU PRO GLN LYS GLN ILE GLN GLU MET LYS GLU ALA PHE          
SEQRES   2 B  145  SER MET ILE ASP VAL ASP ARG ASP GLY PHE VAL SER LYS          
SEQRES   3 B  145  GLU ASP ILE LYS ALA ILE SER GLU GLN LEU GLY ARG ALA          
SEQRES   4 B  145  PRO ASP ASP LYS GLU LEU THR ALA MET LEU LYS GLU ALA          
SEQRES   5 B  145  PRO GLY PRO LEU ASN PHE THR MET PHE LEU SER ILE PHE          
SEQRES   6 B  145  SER ASP LYS LEU SER GLY THR ASP SER GLU GLU THR ILE          
SEQRES   7 B  145  ARG ASN ALA PHE ALA MET PHE ASP GLU GLN GLU THR LYS          
SEQRES   8 B  145  LYS LEU ASN ILE GLU TYR ILE LYS ASP LEU LEU GLU ASN          
SEQRES   9 B  145  MET GLY ASP ASN PHE ASN LYS ASP GLU MET ARG MET THR          
SEQRES  10 B  145  PHE LYS GLU ALA PRO VAL GLU GLY GLY LYS PHE ASP TYR          
SEQRES  11 B  145  VAL LYS PHE THR ALA MET ILE LYS GLY SER GLY GLU GLU          
SEQRES  12 B  145  GLU ALA                                                      
SEQRES   1 C  149  SER GLN ASP GLU ILE ASP ASP LEU LYS ASP VAL PHE GLU          
SEQRES   2 C  149  LEU PHE ASP PHE TRP ASP GLY ARG ASP GLY ALA VAL ASP          
SEQRES   3 C  149  ALA PHE LYS LEU GLY ASP VAL CYS ARG CYS LEU GLY ILE          
SEQRES   4 C  149  ASN PRO ARG ASN GLU ASP VAL PHE ALA VAL GLY GLY THR          
SEQRES   5 C  149  HIS LYS MET GLY GLU LYS SER LEU PRO PHE GLU GLU PHE          
SEQRES   6 C  149  LEU PRO ALA TYR GLU GLY LEU MET ASP CYS GLU GLN GLY          
SEQRES   7 C  149  THR PHE ALA ASP TYR MET GLU ALA PHE LYS THR PHE ASP          
SEQRES   8 C  149  ARG GLU GLY GLN GLY PHE ILE SER GLY ALA GLU LEU ARG          
SEQRES   9 C  149  HIS VAL LEU THR ALA LEU GLY GLU ARG LEU SER ASP GLU          
SEQRES  10 C  149  ASP VAL ASP GLU ILE ILE LYS LEU THR ASP LEU GLN GLU          
SEQRES  11 C  149  ASP LEU GLU GLY ASN VAL LYS TYR GLU ASP PHE VAL LYS          
SEQRES  12 C  149  LYS VAL MET ALA GLY PRO                                      
HET     CA  B 502       1                                                       
HET     CA  C 501       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   4   CA    2(CA 2+)                                                     
HELIX    1   1 ARG A  777  ARG A  822  1                                  46    
HELIX    2   2 TRP A  824  LYS A  834  1                                  11    
HELIX    3   3 PRO B   13  GLN B   18  1                                   6    
HELIX    4   4 GLU B   19  ASP B   28  1                                  10    
HELIX    5   5 SER B   36  GLY B   48  1                                  13    
HELIX    6   6 ASP B   53  LYS B   61  1                                   9    
HELIX    7   7 ASN B   68  ASP B   78  1                                  11    
HELIX    8   8 GLU B   87  MET B   95  1                                   9    
HELIX    9   9 ILE B  106  MET B  116  1                                  11    
HELIX   10  10 ASN B  121  GLU B  131  1                                  11    
HELIX   11  11 ASP B  140  LYS B  149  1                                  10    
HELIX   12  12 GLU C    7  ASP C   22  1                                  16    
HELIX   13  13 LYS C   32  CYS C   39  1                                   8    
HELIX   14  14 ARG C   45  ALA C   51  1                                   7    
HELIX   15  15 PRO C   64  ASP C   77  1                                  14    
HELIX   16  16 THR C   82  PHE C   90  1                                   9    
HELIX   17  17 GLY C  103  ALA C  112  1                                  10    
HELIX   18  18 GLU C  120  ILE C  126  1                                   7    
HELIX   19  19 TYR C  141  ALA C  150  1                                  10    
SHEET    1   A 3 LEU B 104  ASN B 105  0                                        
SHEET    2   A 3 LYS B 138  PHE B 139 -1  N  PHE B 139   O  LEU B 104           
SHEET    3   A 3 VAL B 134  GLU B 135 -1  N  GLU B 135   O  LYS B 138           
SHEET    1   B 2 VAL C  28  ASP C  29  0                                        
SHEET    2   B 2 SER C  62  LEU C  63 -1  O  LEU C  63   N  VAL C  28           
SHEET    1   C 2 PHE C 100  SER C 102  0                                        
SHEET    2   C 2 ASN C 138  LYS C 140 -1  N  VAL C 139   O  ILE C 101           
LINK         OD2 ASP B  28                CA    CA B 502     1555   1555  2.99  
LINK         OD1 ASP B  28                CA    CA B 502     1555   1555  2.93  
LINK         OD1 ASP B  30                CA    CA B 502     1555   1555  2.69  
LINK         OD1 ASP B  32                CA    CA B 502     1555   1555  2.59  
LINK         O   PHE B  34                CA    CA B 502     1555   1555  2.51  
LINK         OD2 ASP B  39                CA    CA B 502     1555   1555  3.12  
LINK         O   ASP C  19                CA    CA C 501     1555   1555  2.75  
LINK         OD1 ASP C  19                CA    CA C 501     1555   1555  2.65  
LINK         OD1 ASP C  22                CA    CA C 501     1555   1555  2.63  
LINK         O   ASP C  22                CA    CA C 501     1555   1555  2.76  
LINK         O   GLY C  23                CA    CA C 501     1555   1555  2.54  
LINK         OD1 ASP C  25                CA    CA C 501     1555   1555  2.90  
LINK         O   ALA C  27                CA    CA C 501     1555   1555  2.43  
SITE     1 AC1  5 ASP C  19  ASP C  22  GLY C  23  ASP C  25                    
SITE     2 AC1  5 ALA C  27                                                     
SITE     1 AC2  5 ASP B  28  ASP B  30  ASP B  32  PHE B  34                    
SITE     2 AC2  5 ASP B  39                                                     
CRYST1   52.500   87.000   55.500  90.00 114.50  90.00 P 1 21 1      2          
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      0.019048  0.000000  0.008681        0.00000                         
SCALE2      0.000000  0.011494  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019801        0.00000