PDB Short entry for 1XIO
HEADER    SIGNALING PROTEIN                       21-SEP-04   1XIO              
TITLE     ANABAENA SENSORY RHODOPSIN                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ANABAENA SENSORY RHODOPSIN;                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 OTHER_DETAILS: CONTAINS 6XHIS-TAG, RESIDUES 1-229                    
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: NOSTOC SP. PCC 7120;                            
SOURCE   3 ORGANISM_TAXID: 103690;                                              
SOURCE   4 STRAIN: PCC7120;                                                     
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    SIGNALING PROTEIN, PHOTORECEPTOR                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.VOGELEY,H.LUECKE                                                    
REVDAT   7   23-AUG-23 1XIO    1       COMPND REMARK HETNAM FORMUL              
REVDAT   7 2                   1       LINK   ATOM                              
REVDAT   6   11-OCT-17 1XIO    1       REMARK                                   
REVDAT   5   29-OCT-14 1XIO    1       HETNAM                                   
REVDAT   4   13-JUL-11 1XIO    1       VERSN                                    
REVDAT   3   24-FEB-09 1XIO    1       VERSN                                    
REVDAT   2   14-DEC-04 1XIO    1       JRNL                                     
REVDAT   1   05-OCT-04 1XIO    0                                                
JRNL        AUTH   L.VOGELEY,O.A.SINESHCHEKOV,V.D.TRIVEDI,J.SASAKI,J.L.SPUDICH, 
JRNL        AUTH 2 H.LUECKE                                                     
JRNL        TITL   ANABAENA SENSORY RHODOPSIN: A PHOTOCHROMIC COLOR SENSOR AT   
JRNL        TITL 2 2.0 A.                                                       
JRNL        REF    SCIENCE                       V. 306  1390 2004              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   15459346                                                     
JRNL        DOI    10.1126/SCIENCE.1103943                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 87.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 20239                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.230                           
REMARK   3   FREE R VALUE                     : 0.256                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 6.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1574                            
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            : 1781                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 217                                     
REMARK   3   SOLVENT ATOMS            : 80                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.89                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.29700                                              
REMARK   3    B22 (A**2) : -1.20500                                             
REMARK   3    B33 (A**2) : -3.09300                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.051                           
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) : 1.118 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.597 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.763 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.311 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : 0.34                                                 
REMARK   3   BSOL        : 56.88                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARA                                 
REMARK   3  PARAMETER FILE  3  : CRET3.PAR                                      
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : CRET2.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1XIO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-SEP-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030396.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JAN-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : BESSY                              
REMARK 200  BEAMLINE                       : 14.1                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8984                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23141                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 6.500                              
REMARK 200  R MERGE                    (I) : 0.09700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.51100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.400                              
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 1JGJ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.94                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, PH 5.6, CUBIC LIPID PHASE,          
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
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   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       28.09300            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       28.09300            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       51.54750            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       58.25650            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       51.54750            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       58.25650            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       28.09300            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       51.54750            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       58.25650            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       28.09300            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       51.54750            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       58.25650            
REMARK 290   SMTRY3   8  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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 17210 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 17440 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -107.0 KCAL/MOL                       
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 350   BIOMT1   2 -1.000000  0.000000  0.000000      103.09500            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       28.09300            
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     GLN A    58                                                      
REMARK 465     GLY A    59                                                      
REMARK 465     LYS A    60                                                      
REMARK 465     VAL A    61                                                      
REMARK 465     GLU A    62                                                      
REMARK 465     ALA A    63                                                      
REMARK 465     ALA A    64                                                      
REMARK 465     GLY A    65                                                      
REMARK 465     GLN A    66                                                      
REMARK 465     SER A   227                                                      
REMARK 465     ARG A   228                                                      
REMARK 465     GLN A   229                                                      
REMARK 465     THR A   230                                                      
REMARK 465     THR A   231                                                      
REMARK 465     GLY A   232                                                      
REMARK 465     ASP A   233                                                      
REMARK 465     ARG A   234                                                      
REMARK 465     PHE A   235                                                      
REMARK 465     ALA A   236                                                      
REMARK 465     GLU A   237                                                      
REMARK 465     ASN A   238                                                      
REMARK 465     THR A   239                                                      
REMARK 465     LEU A   240                                                      
REMARK 465     GLN A   241                                                      
REMARK 465     PHE A   242                                                      
REMARK 465     VAL A   243                                                      
REMARK 465     GLU A   244                                                      
REMARK 465     ASN A   245                                                      
REMARK 465     ILE A   246                                                      
REMARK 465     THR A   247                                                      
REMARK 465     LEU A   248                                                      
REMARK 465     PHE A   249                                                      
REMARK 465     ALA A   250                                                      
REMARK 465     ASN A   251                                                      
REMARK 465     SER A   252                                                      
REMARK 465     ARG A   253                                                      
REMARK 465     ARG A   254                                                      
REMARK 465     GLN A   255                                                      
REMARK 465     GLN A   256                                                      
REMARK 465     SER A   257                                                      
REMARK 465     ARG A   258                                                      
REMARK 465     ARG A   259                                                      
REMARK 465     ARG A   260                                                      
REMARK 465     VAL A   261                                                      
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    ASN A 148      -79.97   -123.16                                   
REMARK 500    LYS A 210      -77.92    -91.25                                   
REMARK 500    LYS A 210      -80.91    -85.07                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600 PEE IS POSSIBLY A FRAGMENT OF PHOSPHATIDYLETHANOLAMINE.              
REMARK 600 THE REST OF THE MOLECULE WAS NOT VISIBLE IN THE                      
REMARK 600 ELECTRON DENSITY.                                                    
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     PEE A  302                                                       
REMARK 610     PEE A  303                                                       
REMARK 610     PEE A  304                                                       
REMARK 610     PEE A  305                                                       
REMARK 610     PEE A  306                                                       
REMARK 610     PEE A  307                                                       
REMARK 610     PEE A  308                                                       
REMARK 610     PEE A  309                                                       
REMARK 610     PEE A  310                                                       
REMARK 610     PEE A  311                                                       
REMARK 610     PEE A  312                                                       
REMARK 610     PEE A  313                                                       
REMARK 610     PEE A  315                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RET A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEE A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEE A 303                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEE A 304                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEE A 305                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEE A 306                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEE A 307                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEE A 308                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEE A 309                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEE A 312                 
DBREF  1XIO A    1   261  UNP    Q8YSC4   Q8YSC4_ANASP     1    261             
SEQRES   1 A  261  MET ASN LEU GLU SER LEU LEU HIS TRP ILE TYR VAL ALA          
SEQRES   2 A  261  GLY MET THR ILE GLY ALA LEU HIS PHE TRP SER LEU SER          
SEQRES   3 A  261  ARG ASN PRO ARG GLY VAL PRO GLN TYR GLU TYR LEU VAL          
SEQRES   4 A  261  ALA MET PHE ILE PRO ILE TRP SER GLY LEU ALA TYR MET          
SEQRES   5 A  261  ALA MET ALA ILE ASP GLN GLY LYS VAL GLU ALA ALA GLY          
SEQRES   6 A  261  GLN ILE ALA HIS TYR ALA ARG TYR ILE ASP TRP MET VAL          
SEQRES   7 A  261  THR THR PRO LEU LEU LEU LEU SER LEU SER TRP THR ALA          
SEQRES   8 A  261  MET GLN PHE ILE LYS LYS ASP TRP THR LEU ILE GLY PHE          
SEQRES   9 A  261  LEU MET SER THR GLN ILE VAL VAL ILE THR SER GLY LEU          
SEQRES  10 A  261  ILE ALA ASP LEU SER GLU ARG ASP TRP VAL ARG TYR LEU          
SEQRES  11 A  261  TRP TYR ILE CYS GLY VAL CYS ALA PHE LEU ILE ILE LEU          
SEQRES  12 A  261  TRP GLY ILE TRP ASN PRO LEU ARG ALA LYS THR ARG THR          
SEQRES  13 A  261  GLN SER SER GLU LEU ALA ASN LEU TYR ASP LYS LEU VAL          
SEQRES  14 A  261  THR TYR PHE THR VAL LEU TRP ILE GLY TYR PRO ILE VAL          
SEQRES  15 A  261  TRP ILE ILE GLY PRO SER GLY PHE GLY TRP ILE ASN GLN          
SEQRES  16 A  261  THR ILE ASP THR PHE LEU PHE CYS LEU LEU PRO PHE PHE          
SEQRES  17 A  261  SER LYS VAL GLY PHE SER PHE LEU ASP LEU HIS GLY LEU          
SEQRES  18 A  261  ARG ASN LEU ASN ASP SER ARG GLN THR THR GLY ASP ARG          
SEQRES  19 A  261  PHE ALA GLU ASN THR LEU GLN PHE VAL GLU ASN ILE THR          
SEQRES  20 A  261  LEU PHE ALA ASN SER ARG ARG GLN GLN SER ARG ARG ARG          
SEQRES  21 A  261  VAL                                                          
HET    RET  A 301      40                                                       
HET    PEE  A 302      15                                                       
HET    PEE  A 303      15                                                       
HET    PEE  A 304      15                                                       
HET    PEE  A 305      14                                                       
HET    PEE  A 306      18                                                       
HET    PEE  A 307      18                                                       
HET    PEE  A 308      18                                                       
HET    PEE  A 309      18                                                       
HET    PEE  A 310      14                                                       
HET    PEE  A 311      14                                                       
HET    PEE  A 312      18                                                       
HET    PEE  A 313      10                                                       
HET    PEE  A 315      10                                                       
HETNAM     RET RETINAL                                                          
HETNAM     PEE 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE                    
HETSYN     PEE DOPE                                                             
FORMUL   2  RET    C20 H28 O                                                    
FORMUL   3  PEE    13(C41 H78 N O8 P)                                           
FORMUL  16  HOH   *80(H2 O)                                                     
HELIX    1   1 ASN A    2  ARG A   27  1                                  26    
HELIX    2   2 PRO A   33  ASP A   57  1                                  25    
HELIX    3   3 HIS A   69  MET A   92  1                                  24    
HELIX    4   4 ASP A   98  SER A  122  1                                  25    
HELIX    5   5 ARG A  124  ASN A  148  1                                  25    
HELIX    6   6 ASN A  148  ARG A  155  1                                   8    
HELIX    7   7 SER A  158  GLY A  186  1                                  29    
HELIX    8   8 ASN A  194  LEU A  224  1                                  31    
LINK         NZ ALYS A 210                 C15ARET A 301     1555   1555  1.66  
LINK         NZ BLYS A 210                 C15BRET A 301     1555   1555  1.58  
SITE     1 AC1 12 TRP A  76  THR A  80  LEU A  83  VAL A 112                    
SITE     2 AC1 12 GLY A 116  TYR A 132  PHE A 139  TRP A 176                    
SITE     3 AC1 12 TYR A 179  PRO A 180  TRP A 183  LYS A 210                    
SITE     1 AC2  3 MET A   1  TRP A   9  THR A  16                               
SITE     1 AC3  1 TYR A 171                                                     
SITE     1 AC4  1 LEU A   6                                                     
SITE     1 AC5  1 TRP A 131                                                     
SITE     1 AC6  3 TYR A 132  ARG A 151  ILE A 177                               
SITE     1 AC7  3 TYR A 171  VAL A 174  LEU A 205                               
SITE     1 AC8  2 VAL A 174  ILE A 177                                          
SITE     1 AC9  4 TRP A  99  THR A 100  SER A 107  PRO A 149                    
SITE     1 BC1  4 THR A  16  TRP A  23  ILE A  45  LEU A  49                    
CRYST1  103.095  116.513   56.186  90.00  90.00  90.00 C 2 2 21      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      0.009700  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008583  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.017798        0.00000