HEADER    LUMINESCENT PROTEIN                     19-JUN-01   1JF2              
TITLE     CRYSTAL STRUCTURE OF W92F OBELIN MUTANT FROM OBELIA LONGISSIMA AT 1.72
TITLE    2 ANGSTROM RESOLUTION                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: OBELIN;                                                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: OBELIA LONGISSIMA;                              
SOURCE   3 ORGANISM_TAXID: 32570;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21-GOLD;                                 
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: POL-92F                                   
KEYWDS    BIOLUMINESCENCE, CALCIUM-REGULATED PHOTOPROTEIN, OBELIN, OBELIA,      
KEYWDS   2 HYDROID, LUMINESCENT PROTEIN                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Z.-J.LIU,E.S.VYSOTSKI,L.DENG,S.V.MARKOVA,J.LEE,J.P.ROSE,B.-C.WANG     
REVDAT   7   16-AUG-23 1JF2    1       REMARK                                   
REVDAT   6   27-OCT-21 1JF2    1       REMARK SEQADV                            
REVDAT   5   19-FEB-14 1JF2    1       JRNL   REMARK VERSN                      
REVDAT   4   24-FEB-09 1JF2    1       VERSN                                    
REVDAT   3   31-MAY-05 1JF2    1       JRNL                                     
REVDAT   2   01-AUG-01 1JF2    1       JRNL                                     
REVDAT   1   11-JUL-01 1JF2    0                                                
JRNL        AUTH   E.S.VYSOTSKI,Z.J.LIU,S.V.MARKOVA,J.R.BLINKS,L.DENG,          
JRNL        AUTH 2 L.A.FRANK,M.HERKO,N.P.MALIKOVA,J.P.ROSE,B.C.WANG,J.LEE       
JRNL        TITL   VIOLET BIOLUMINESCENCE AND FAST KINETICS FROM W92F OBELIN:   
JRNL        TITL 2 STRUCTURE-BASED PROPOSALS FOR THE BIOLUMINESCENCE TRIGGERING 
JRNL        TITL 3 AND THE IDENTIFICATION OF THE EMITTING SPECIES.              
JRNL        REF    BIOCHEMISTRY                  V.  42  6013 2003              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12755603                                                     
JRNL        DOI    10.1021/BI027258H                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   Z.J.LIU,E.S.VYSOTSKI,C.J.CHEN,J.P.ROSE,J.LEE,B.C.WANG        
REMARK   1  TITL   STRUCTURE OF THE CA2+-REGULATED PHOTOPROTEIN OBELIN AT 1.7 A 
REMARK   1  TITL 2 RESOLUTION DETERMINED DIRECTLY FROM ITS SULFUR SUBSTRUCTURE. 
REMARK   1  REF    PROTEIN SCI.                  V.   9  2085 2000              
REMARK   1  REFN                   ISSN 0961-8368                               
REMARK   1  PMID   11152120                                                     
REMARK   1  DOI    10.1110/PS.9.11.2085                                         
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   E.S.VYSOTSKI,Z.J.LIU,J.ROSE,B.C.WANG,J.LEE                   
REMARK   1  TITL   PREPARATION AND PRELIMINARY STUDY OF CRYSTALS OF THE         
REMARK   1  TITL 2 RECOMBINANT CALCIUM-REGULATED PHOTOPROTEIN OBELIN FROM THE   
REMARK   1  TITL 3 BIOLUMINESCENT HYDROID OBELIA LONGISSIMA.                    
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  55  1965 1999              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  PMID   10531510                                                     
REMARK   1  DOI    10.1107/S0907444999011828                                    
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   E.VYSOTSKI,Z.-J.LIU,L.DENG,J.ROSE,B.-C.WANG,J.LEE            
REMARK   1  TITL   OBELIN CRYSTAL STRUCTURE: IMPLICATIONS FOR THE               
REMARK   1  TITL 2 BIOLUMINESCENCE MECHANISM                                    
REMARK   1  REF    BIOLUMINESCENCE AND                        2001              
REMARK   1  REF  2 CHEMILUMINESCENCE 2000                                       
REMARK   1  REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.72 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 : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.72                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 26.28                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 259784.610                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 93.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 21633                          
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) : 0.232                           
REMARK   3   FREE R VALUE                     : 0.274                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1711                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.72                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.83                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 84.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2914                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2940                       
REMARK   3   BIN FREE R VALUE                    : 0.3590                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 8.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 255                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.022                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1521                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 34                                      
REMARK   3   SOLVENT ATOMS            : 128                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.23                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.11                            
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) : 0.16                            
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) : 19.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.690                           
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) : 1.270 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.920 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.890 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.640 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.41                                                 
REMARK   3   BSOL        : 49.47                                                
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: NULL                                      
REMARK   4                                                                      
REMARK   4 1JF2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUN-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000013695.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-APR-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
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                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, CRYSTALCLEAR (MSC/RIGAKU)   
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21633                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.5                               
REMARK 200  DATA REDUNDANCY                : 12.30                              
REMARK 200  R MERGE                    (I) : 0.07600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.0800                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.76                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 87.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.20                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.35000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1EL4                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.04                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, POTASSIUM PHOSPHATE,           
REMARK 280  HEXAMINECOBALTIC CHLORIDE, PH 6.0, VAPOR DIFFUSION, HANGING DROP,   
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       72.24250            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       26.72450            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       26.72450            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       36.12125            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       26.72450            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       26.72450            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      108.36375            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       26.72450            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       26.72450            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       36.12125            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       26.72450            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       26.72450            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      108.36375            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       72.24250            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     LYS A     4                                                      
REMARK 465     TYR A     5                                                      
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    ASP A  12       49.75   -143.53                                   
REMARK 500    ASP A  49      -69.98   -103.91                                   
REMARK 500    LYS A 124      -75.75   -100.40                                   
REMARK 500    SER A 145       72.28   -152.08                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 615                                                                      
REMARK 615 ZERO OCCUPANCY ATOM                                                  
REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 615   M RES C  SSEQI                                                     
REMARK 615     HOH A   325                                                      
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CZH A 196                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1EL4   RELATED DB: PDB                                   
REMARK 900 1EL4 CONTAINS CALCIUM-REGULATED PHOTOPROTEIN OBELIN.                 
REMARK 900 RELATED ID: 1EJ3   RELATED DB: PDB                                   
REMARK 900 1EJ3 CONTAINS CALCIUM-REGULATED PHOTOPROTEIN AEQUORIN.               
DBREF  1JF2 A    1   195  UNP    Q27709   OBL_OBELO        1    195             
SEQADV 1JF2 PHE A   92  UNP  Q27709    TRP    92 ENGINEERED MUTATION            
SEQRES   1 A  195  MET SER SER LYS TYR ALA VAL LYS LEU LYS THR ASP PHE          
SEQRES   2 A  195  ASP ASN PRO ARG TRP ILE LYS ARG HIS LYS HIS MET PHE          
SEQRES   3 A  195  ASP PHE LEU ASP ILE ASN GLY ASN GLY LYS ILE THR LEU          
SEQRES   4 A  195  ASP GLU ILE VAL SER LYS ALA SER ASP ASP ILE CYS ALA          
SEQRES   5 A  195  LYS LEU GLU ALA THR PRO GLU GLN THR LYS ARG HIS GLN          
SEQRES   6 A  195  VAL CYS VAL GLU ALA PHE PHE ARG GLY CYS GLY MET GLU          
SEQRES   7 A  195  TYR GLY LYS GLU ILE ALA PHE PRO GLN PHE LEU ASP GLY          
SEQRES   8 A  195  PHE LYS GLN LEU ALA THR SER GLU LEU LYS LYS TRP ALA          
SEQRES   9 A  195  ARG ASN GLU PRO THR LEU ILE ARG GLU TRP GLY ASP ALA          
SEQRES  10 A  195  VAL PHE ASP ILE PHE ASP LYS ASP GLY SER GLY THR ILE          
SEQRES  11 A  195  THR LEU ASP GLU TRP LYS ALA TYR GLY LYS ILE SER GLY          
SEQRES  12 A  195  ILE SER PRO SER GLN GLU ASP CYS GLU ALA THR PHE ARG          
SEQRES  13 A  195  HIS CYS ASP LEU ASP ASN SER GLY ASP LEU ASP VAL ASP          
SEQRES  14 A  195  GLU MET THR ARG GLN HIS LEU GLY PHE TRP TYR THR LEU          
SEQRES  15 A  195  ASP PRO GLU ALA ASP GLY LEU TYR GLY ASN GLY VAL PRO          
HET    CZH  A 196      34                                                       
HETNAM     CZH C2-HYDROPEROXY-COELENTERAZINE                                    
HETSYN     CZH 8-BENZYL-2-HYDROPEROXY-2-(4-HYDROXY-BENZYL)-6-(4-                
HETSYN   2 CZH  HYDROXY-PHENYL)-2H-IMIDAZO[1,2-A]PYRAZIN-3-ONE                  
FORMUL   2  CZH    C26 H21 N3 O5                                                
FORMUL   3  HOH   *128(H2 O)                                                    
HELIX    1   1 ASN A   15  ASP A   30  1                                  16    
HELIX    2   2 THR A   38  ASP A   49  1                                  12    
HELIX    3   3 ASP A   49  LEU A   54  1                                   6    
HELIX    4   4 THR A   57  GLY A   74  1                                  18    
HELIX    5   5 PHE A   85  ARG A  105  1                                  21    
HELIX    6   6 THR A  109  ASP A  123  1                                  15    
HELIX    7   7 THR A  131  GLY A  143  1                                  13    
HELIX    8   8 SER A  147  CYS A  158  1                                  12    
HELIX    9   9 ASP A  167  TYR A  180  1                                  14    
SHEET    1   A 2 LYS A  36  ILE A  37  0                                        
SHEET    2   A 2 ILE A  83  ALA A  84 -1  N  ILE A  83   O  ILE A  37           
SITE     1 AC1 16 HIS A  22  MET A  25  ILE A  42  ILE A  50                    
SITE     2 AC1 16 PHE A  88  PHE A  92  ILE A 111  TRP A 114                    
SITE     3 AC1 16 GLY A 115  TYR A 138  ILE A 144  MET A 171                    
SITE     4 AC1 16 HIS A 175  TRP A 179  TYR A 190  HOH A 232                    
CRYST1   53.449   53.449  144.485  90.00  90.00  90.00 P 41 21 2     8          
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      0.018709  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018709  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006921        0.00000