HEADER    PROTON TRANSPORT, MEMBRANE PROTEIN      10-JUN-00   1F4Z              
TITLE     BACTERIORHODOPSIN-M PHOTOINTERMEDIATE STATE OF THE E204Q MUTANT AT 1.8
TITLE    2 ANGSTROM RESOLUTION                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BACTERIORHODOPSIN;                                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: BR;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HALOBACTERIUM SALINARUM;                        
SOURCE   3 ORGANISM_TAXID: 2242;                                                
SOURCE   4 EXPRESSION_SYSTEM: HALOBACTERIUM SALINARUM;                          
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 2242                                        
KEYWDS    ION PUMP, MEMBRANE PROTEIN, RETINAL PROTEIN, LIPIDS, PHOTORECEPTOR,   
KEYWDS   2 HALOARCHAEA, 7-TRANSMEMBRANE, ION TRANSPORT, MEROHEDRAL TWINNING,    
KEYWDS   3 E204Q MUTANT M STATE, PHOTOCYCLE INTERMEDIATE, PROTON TRANSPORT      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.LUECKE,B.SCHOBERT,J.P.CARTAILLER,H.T.RICHTER,A.ROSENGARTH,          
AUTHOR   2 R.NEEDLEMAN,J.K.LANYI                                                
REVDAT   7   13-NOV-24 1F4Z    1       REMARK                                   
REVDAT   6   09-AUG-23 1F4Z    1       REMARK                                   
REVDAT   5   03-NOV-21 1F4Z    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 1F4Z    1       VERSN                                    
REVDAT   3   24-FEB-09 1F4Z    1       VERSN                                    
REVDAT   2   23-MAY-01 1F4Z    3       ATOM   REMARK                            
REVDAT   1   09-AUG-00 1F4Z    0                                                
JRNL        AUTH   H.LUECKE,B.SCHOBERT,J.P.CARTAILLER,H.T.RICHTER,A.ROSENGARTH, 
JRNL        AUTH 2 R.NEEDLEMAN,J.K.LANYI                                        
JRNL        TITL   COUPLING PHOTOISOMERIZATION OF RETINAL TO DIRECTIONAL        
JRNL        TITL 2 TRANSPORT IN BACTERIORHODOPSIN.                              
JRNL        REF    J.MOL.BIOL.                   V. 300  1237 2000              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   10903866                                                     
JRNL        DOI    10.1006/JMBI.2000.3884                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 12.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   CROSS-VALIDATION METHOD           : 5%                             
REMARK   3   FREE R VALUE TEST SET SELECTION   : 5% OF THE DATA WAS OMITTED     
REMARK   3                                       VIA THIN-RESOLUTION SHELL      
REMARK   3                                       SELECTION                      
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.142                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.203                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 1039                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 20778                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.131                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.190                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 1720                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 330                                           
REMARK   3   SOLVENT ATOMS      : 25                                            
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : NULL                    
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : NULL                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL                    
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 8252                    
REMARK   3   NUMBER OF RESTRAINTS                     : 8198                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.009                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.024                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : NULL                    
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : NULL                    
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : NULL                    
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : NULL                    
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : NULL                    
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : NULL                    
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: TWIN RATIO IS 58:42, R-FACTOR             
REMARK   3  (F>4SIG)=0.131, R-FREE (F>4SIG)=0.190                               
REMARK   4                                                                      
REMARK   4 1F4Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUL-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011249.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-JAN-00; 17-FEB-00; 27-MAR-00    
REMARK 200  TEMPERATURE           (KELVIN) : 100; 100; 100                      
REMARK 200  PH                             : 5.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y; Y                            
REMARK 200  RADIATION SOURCE               : SSRL; ESRF; SPRING-8               
REMARK 200  BEAMLINE                       : BL9-2; ID13; BL41XU                
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL; NULL                   
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; NULL; NULL                      
REMARK 200  WAVELENGTH OR RANGE        (A) : 1; 1; 1                            
REMARK 200  MONOCHROMATOR                  : NULL; NULL; NULL                   
REMARK 200  OPTICS                         : NULL; NULL; NULL                   
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; CCD; CCD                      
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM; MAR-CCD; MAR-CCD     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21451                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 10.00                              
REMARK 200  R MERGE                    (I) : 0.08200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 28.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.83                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.44600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL; NULL                  
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: ISOMORPHOUS WITH 1C3W                                
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.70                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MO:WATER:PHOSPHATE, PH 5.6, CUBIC        
REMARK 280  LIPID PHASE, TEMPERATURE 295K                                       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/2                                            
REMARK 290       6555   X-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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
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       54.07800            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       54.07800            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       54.07800            
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,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 24790 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 27990 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -225.0 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 -0.500000 -0.866025  0.000000       30.31550            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000       52.50799            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000      -30.31550            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000       52.50799            
REMARK 350   BIOMT3   3  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     THR A   157                                                      
REMARK 465     SER A   158                                                      
REMARK 465     LYS A   159                                                      
REMARK 465     ALA A   160                                                      
REMARK 465     GLU A   161                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   NZ   LYS A   216     C14  RET A   301              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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  82   CD  -  NE  -  CZ  ANGL. DEV. =  31.1 DEGREES          
REMARK 500    ARG A 175   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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     LI1 A  601                                                       
REMARK 610     LI1 A  602                                                       
REMARK 610     LI1 A  603                                                       
REMARK 610     LI1 A  604                                                       
REMARK 610     LI1 A  605                                                       
REMARK 610     LI1 A  606                                                       
REMARK 610     LI1 A  607                                                       
REMARK 610     LI1 A  608                                                       
REMARK 610     LI1 A  609                                                       
REMARK 610     LI1 A  610                                                       
REMARK 610     LI1 A  611                                                       
REMARK 610     LI1 A  612                                                       
REMARK 610     LI1 A  613                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 601                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 602                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 603                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 604                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 605                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 606                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 607                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 608                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 609                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 610                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 611                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 612                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 613                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SQU A 701                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RET A 301                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1C3W   RELATED DB: PDB                                   
REMARK 900 1C3W.PDB CONTAINS THE WILD-TYPE BACTERIORHODOPSIN AT 1.55 A          
REMARK 900 RESOLUTION                                                           
REMARK 900 RELATED ID: 1C8R   RELATED DB: PDB                                   
REMARK 900 BACTERIORHODOPSIN ("BR" STATE INTERMEDIATE) - D96N MUTANT, 1.80 A    
REMARK 900 RESOLUTION                                                           
REMARK 900 RELATED ID: 1C8S   RELATED DB: PDB                                   
REMARK 900 BACTERIORHODOPSIN ("M" STATE INTERMEDIATE) - D96N MUTANT, 2.00 A     
REMARK 900 RESOLUTION                                                           
REMARK 900 RELATED ID: 1F50   RELATED DB: PDB                                   
REMARK 900 BACTERIORHODOPSIN ("BR" STATE) - E204Q MUTANT, 1.70 A RESOLUTION     
DBREF  1F4Z A    5   231  UNP    P02945   BACR_HALN1      18    244             
SEQADV 1F4Z GLN A  204  UNP  P02945    GLU   217 ENGINEERED MUTATION            
SEQRES   1 A  227  THR GLY ARG PRO GLU TRP ILE TRP LEU ALA LEU GLY THR          
SEQRES   2 A  227  ALA LEU MET GLY LEU GLY THR LEU TYR PHE LEU VAL LYS          
SEQRES   3 A  227  GLY MET GLY VAL SER ASP PRO ASP ALA LYS LYS PHE TYR          
SEQRES   4 A  227  ALA ILE THR THR LEU VAL PRO ALA ILE ALA PHE THR MET          
SEQRES   5 A  227  TYR LEU SER MET LEU LEU GLY TYR GLY LEU THR MET VAL          
SEQRES   6 A  227  PRO PHE GLY GLY GLU GLN ASN PRO ILE TYR TRP ALA ARG          
SEQRES   7 A  227  TYR ALA ASP TRP LEU PHE THR THR PRO LEU LEU LEU LEU          
SEQRES   8 A  227  ASP LEU ALA LEU LEU VAL ASP ALA ASP GLN GLY THR ILE          
SEQRES   9 A  227  LEU ALA LEU VAL GLY ALA ASP GLY ILE MET ILE GLY THR          
SEQRES  10 A  227  GLY LEU VAL GLY ALA LEU THR LYS VAL TYR SER TYR ARG          
SEQRES  11 A  227  PHE VAL TRP TRP ALA ILE SER THR ALA ALA MET LEU TYR          
SEQRES  12 A  227  ILE LEU TYR VAL LEU PHE PHE GLY PHE THR SER LYS ALA          
SEQRES  13 A  227  GLU SER MET ARG PRO GLU VAL ALA SER THR PHE LYS VAL          
SEQRES  14 A  227  LEU ARG ASN VAL THR VAL VAL LEU TRP SER ALA TYR PRO          
SEQRES  15 A  227  VAL VAL TRP LEU ILE GLY SER GLU GLY ALA GLY ILE VAL          
SEQRES  16 A  227  PRO LEU ASN ILE GLN THR LEU LEU PHE MET VAL LEU ASP          
SEQRES  17 A  227  VAL SER ALA LYS VAL GLY PHE GLY LEU ILE LEU LEU ARG          
SEQRES  18 A  227  SER ARG ALA ILE PHE GLY                                      
HET    LI1  A 601      32                                                       
HET    LI1  A 602      41                                                       
HET    LI1  A 603      18                                                       
HET    LI1  A 604      16                                                       
HET    LI1  A 605       8                                                       
HET    LI1  A 606       8                                                       
HET    LI1  A 607      38                                                       
HET    LI1  A 608      18                                                       
HET    LI1  A 609      16                                                       
HET    LI1  A 610      40                                                       
HET    LI1  A 611      17                                                       
HET    LI1  A 612      18                                                       
HET    LI1  A 613      13                                                       
HET    SQU  A 701      27                                                       
HET    RET  A 301      20                                                       
HETNAM     LI1 1-[2,6,10.14-TETRAMETHYL-HEXADECAN-16-YL]-2-[2,10,14-            
HETNAM   2 LI1  TRIMETHYLHEXADECAN-16-YL]GLYCEROL                               
HETNAM     SQU 2,10,23-TRIMETHYL-TETRACOSANE                                    
HETNAM     RET RETINAL                                                          
HETSYN     LI1 LIPID FRAGMENT                                                   
HETSYN     SQU LIPID FRAGMENT                                                   
FORMUL   2  LI1    13(C42 H86 O3)                                               
FORMUL  15  SQU    C27 H56                                                      
FORMUL  16  RET    C20 H28 O                                                    
FORMUL  17  HOH   *25(H2 O)                                                     
HELIX    1   1 GLU A    9  GLY A   31  1                                  23    
HELIX    2   2 ASP A   36  LEU A   62  1                                  27    
HELIX    3   3 TRP A   80  ASP A  102  1                                  23    
HELIX    4   4 ASP A  104  THR A  128  1                                  25    
HELIX    5   5 VAL A  130  GLY A  155  1                                  26    
HELIX    6   6 ARG A  164  GLY A  192  1                                  29    
HELIX    7   7 PRO A  200  VAL A  217  1                                  18    
HELIX    8   8 VAL A  217  LEU A  224  1                                   8    
HELIX    9   9 ARG A  225  PHE A  230  5                                   6    
SHEET    1   A 2 THR A  67  PHE A  71  0                                        
SHEET    2   A 2 GLU A  74  ILE A  78 -1  O  GLU A  74   N  PHE A  71           
LINK         NZ  LYS A 216                 C15 RET A 301     1555   1555  1.56  
SITE     1 AC1  7 TYR A 133  VAL A 136  ILE A 140  LI1 A 606                    
SITE     2 AC1  7 LI1 A 608  LI1 A 612  SQU A 701                               
SITE     1 AC2 13 TRP A  12  TYR A 131  SER A 132  PHE A 135                    
SITE     2 AC2 13 ALA A 139  MET A 163  ARG A 164  PRO A 165                    
SITE     3 AC2 13 ALA A 196  ILE A 203  LEU A 206  LEU A 207                    
SITE     4 AC2 13 LI1 A 603                                                     
SITE     1 AC3  9 VAL A 187  LEU A 190  ILE A 198  VAL A 199                    
SITE     2 AC3  9 PRO A 200  LI1 A 602  LI1 A 604  LI1 A 609                    
SITE     3 AC3  9 LI1 A 610                                                     
SITE     1 AC4  3 ILE A 198  LI1 A 603  LI1 A 610                               
SITE     1 AC5  4 ILE A  11  ALA A  18  LI1 A 606  LI1 A 611                    
SITE     1 AC6  3 ALA A  18  LI1 A 601  LI1 A 605                               
SITE     1 AC7  6 ILE A  52  THR A  55  MET A  56  TYR A  64                    
SITE     2 AC7  6 TRP A  80  PHE A  88                                          
SITE     1 AC8  4 ILE A 222  LI1 A 601  LI1 A 611  SQU A 701                    
SITE     1 AC9  7 THR A 142  LEU A 146  PHE A 154  VAL A 173                    
SITE     2 AC9  7 ASN A 176  LI1 A 603  LI1 A 610                               
SITE     1 BC1 10 PHE A 153  LYS A 172  ARG A 175  ASN A 176                    
SITE     2 BC1 10 VAL A 179  VAL A 180  VAL A 187  LI1 A 603                    
SITE     3 BC1 10 LI1 A 604  LI1 A 609                                          
SITE     1 BC2  5 LEU A  25  VAL A  29  LI1 A 605  LI1 A 608                    
SITE     2 BC2  5 SQU A 701                                                     
SITE     1 BC3  9 THR A  24  LEU A  28  ALA A  44  THR A  47                    
SITE     2 BC3  9 PHE A  54  ALA A 110  TYR A 147  HOH A 512                    
SITE     3 BC3  9 LI1 A 601                                                     
SITE     1 BC4  4 PRO A  91  LEU A  95  ILE A 108  VAL A 112                    
SITE     1 BC5  9 LEU A  19  TYR A  26  SER A 214  VAL A 217                    
SITE     2 BC5  9 LEU A 221  ARG A 225  LI1 A 601  LI1 A 608                    
SITE     3 BC5  9 LI1 A 611                                                     
SITE     1 BC6 13 TRP A  86  THR A  90  MET A 118  TRP A 138                    
SITE     2 BC6 13 SER A 141  THR A 142  TRP A 182  TYR A 185                    
SITE     3 BC6 13 PRO A 186  TRP A 189  ASP A 212  ALA A 215                    
SITE     4 BC6 13 LYS A 216                                                     
CRYST1   60.631   60.631  108.156  90.00  90.00 120.00 P 63          6          
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      0.016493  0.009522  0.000000        0.00000                         
SCALE2      0.000000  0.019045  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009246        0.00000