HEADER    PROTON TRANSPORT                        29-JUL-99   1C8R              
TITLE     BACTERIORHODOPSIN D96N BR STATE AT 2.0 A RESOLUTION                   
CAVEAT     1C8R    LI1 A 601 HAS WRONG CHIRALITY AT ATOM C2 LI1 A 601 HAS WRONG 
CAVEAT   2 1C8R    CHIRALITY AT ATOM C18 LI1 A 611 HAS WRONG CHIRALITY AT ATOM  
CAVEAT   3 1C8R    C13 LI1 A 613 HAS WRONG CHIRALITY AT ATOM C18 SQU A 701 HAS  
CAVEAT   4 1C8R    WRONG CHIRALITY AT ATOM C12                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (BACTERIORHODOPSIN);                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: "BR" STATE INTERMEDIATE;                                   
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 OTHER_DETAILS: SCHIFF BASE LINKAGE BETWEEN LYS 216 (NZ) AND RET 301  
COMPND   8 (C15) DIETHER LIPID BILAYER                                          
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, D96N BR STATE, ION TRANSPORT, MEROHEDRAL TWINNING,      
KEYWDS   3 PROTON TRANSPORT                                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.LUECKE                                                              
REVDAT  10   30-OCT-24 1C8R    1       REMARK                                   
REVDAT   9   09-AUG-23 1C8R    1       REMARK                                   
REVDAT   8   03-NOV-21 1C8R    1       REMARK SEQADV                            
REVDAT   7   11-DEC-19 1C8R    1       CAVEAT REMARK LINK                       
REVDAT   6   13-JUL-11 1C8R    1       VERSN                                    
REVDAT   5   24-FEB-09 1C8R    1       VERSN                                    
REVDAT   4   01-AUG-06 1C8R    1       TITLE                                    
REVDAT   3   01-APR-03 1C8R    1       JRNL                                     
REVDAT   2   21-JAN-00 1C8R    1       LINK   COMPND SEQRES SEQADV              
REVDAT   1   20-OCT-99 1C8R    0                                                
JRNL        AUTH   H.LUECKE,B.SCHOBERT,H.T.RICHTER,J.P.CARTAILLER,J.K.LANYI     
JRNL        TITL   STRUCTURAL CHANGES IN BACTERIORHODOPSIN DURING ION TRANSPORT 
JRNL        TITL 2 AT 2 ANGSTROM RESOLUTION.                                    
JRNL        REF    SCIENCE                       V. 286   255 1999              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   10514362                                                     
JRNL        DOI    10.1126/SCIENCE.286.5438.255                                 
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   H.LUECKE,B.SCHOBERT,H.-T.RICHTER,J.-P.CARTAILLER,J.K.LANYI   
REMARK   1  TITL   STRUCTURE OF BACTERIORHODOPSIN AT 1.55 ANGSTROM RESOLUTION   
REMARK   1  REF    J.MOL.BIOL.                   V. 291   899 1999              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  DOI    10.1006/JMBI.1999.3027                                       
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   H.LUECKE,H.-T.RICHTER,J.K.LANYI                              
REMARK   1  TITL   PROTON TRANSFER PATHWAYS IN BACTERIORHODOPSIN AT 2.3         
REMARK   1  TITL 2 ANGSTROM RESOLUTION                                          
REMARK   1  REF    SCIENCE                       V. 280  1934 1998              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   1  DOI    10.1126/SCIENCE.280.5371.1934                                
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        (%) : 88.1                           
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHOUT                     
REMARK   3   FREE R VALUE TEST SET SELECTION   : THIN RESOLUTION SHELLS         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.127                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.126                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.182                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 892                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 18388                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.122                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.121                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.179                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 869                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 17557                  
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      : 26                                            
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 : 0                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 8308                    
REMARK   3   NUMBER OF RESTRAINTS                     : 8229                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.009                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.025                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.281                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.046                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.051                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.009                   
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: SHELXL-97 SWAT, BABINET'S PRINCIPLE                   
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : NULL                                
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: MEROHEDRAL TWINNING RATIO OF 53:47        
REMARK   4                                                                      
REMARK   4 1C8R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-AUG-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009433.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 5.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID13                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1                                  
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19005                              
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     (%) : 88.1                               
REMARK 200  DATA REDUNDANCY                : 8.800                              
REMARK 200  R MERGE                    (I) : 0.05700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 24.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.83                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 87.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.21600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: ISOMORPHOUS                  
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1C3W                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.26                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MO:WATER:PHOSPHATE, PH 5.6, CUBIC        
REMARK 280  LIPID PHASE, TEMPERATURE 296K                                       
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                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 24990 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 28420 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -235.0 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       90.94650            
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        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000      105.01597            
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     GLN A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     GLN A     3                                                      
REMARK 465     ILE A     4                                                      
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 465     GLU A   232                                                      
REMARK 465     ALA A   233                                                      
REMARK 465     GLU A   234                                                      
REMARK 465     ALA A   235                                                      
REMARK 465     PRO A   236                                                      
REMARK 465     GLU A   237                                                      
REMARK 465     PRO A   238                                                      
REMARK 465     SER A   239                                                      
REMARK 465     ALA A   240                                                      
REMARK 465     GLY A   241                                                      
REMARK 465     ASP A   242                                                      
REMARK 465     GLY A   243                                                      
REMARK 465     ALA A   244                                                      
REMARK 465     ALA A   245                                                      
REMARK 465     ALA A   246                                                      
REMARK 465     THR A   247                                                      
REMARK 465     SER A   248                                                      
REMARK 465     ASP A   249                                                      
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   7   CD  -  NE  -  CZ  ANGL. DEV. =  10.7 DEGREES          
REMARK 500    ARG A   7   NE  -  CZ  -  NH1 ANGL. DEV. =   5.1 DEGREES          
REMARK 500    ARG A   7   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.3 DEGREES          
REMARK 500    TYR A  26   CB  -  CG  -  CD2 ANGL. DEV. =   4.6 DEGREES          
REMARK 500    ARG A  82   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.5 DEGREES          
REMARK 500    TYR A  83   CB  -  CG  -  CD1 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    PHE A 219   CB  -  CG  -  CD1 ANGL. DEV. =   5.0 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 BACTERIORHODOPSIN 1.55 A GROUND STATE STRUCTURE                      
REMARK 900 RELATED ID: 1C8S   RELATED DB: PDB                                   
REMARK 900 "M" STATE INTERMEDIATE                                               
DBREF  1C8R A    1   249  UNP    P02945   BACR_HALN1      14    262             
SEQADV 1C8R ASN A   96  UNP  P02945    ASP   109 ENGINEERED MUTATION            
SEQRES   1 A  249  GLN ALA GLN ILE THR GLY ARG PRO GLU TRP ILE TRP LEU          
SEQRES   2 A  249  ALA LEU GLY THR ALA LEU MET GLY LEU GLY THR LEU TYR          
SEQRES   3 A  249  PHE LEU VAL LYS GLY MET GLY VAL SER ASP PRO ASP ALA          
SEQRES   4 A  249  LYS LYS PHE TYR ALA ILE THR THR LEU VAL PRO ALA ILE          
SEQRES   5 A  249  ALA PHE THR MET TYR LEU SER MET LEU LEU GLY TYR GLY          
SEQRES   6 A  249  LEU THR MET VAL PRO PHE GLY GLY GLU GLN ASN PRO ILE          
SEQRES   7 A  249  TYR TRP ALA ARG TYR ALA ASP TRP LEU PHE THR THR PRO          
SEQRES   8 A  249  LEU LEU LEU LEU ASN LEU ALA LEU LEU VAL ASP ALA ASP          
SEQRES   9 A  249  GLN GLY THR ILE LEU ALA LEU VAL GLY ALA ASP GLY ILE          
SEQRES  10 A  249  MET ILE GLY THR GLY LEU VAL GLY ALA LEU THR LYS VAL          
SEQRES  11 A  249  TYR SER TYR ARG PHE VAL TRP TRP ALA ILE SER THR ALA          
SEQRES  12 A  249  ALA MET LEU TYR ILE LEU TYR VAL LEU PHE PHE GLY PHE          
SEQRES  13 A  249  THR SER LYS ALA GLU SER MET ARG PRO GLU VAL ALA SER          
SEQRES  14 A  249  THR PHE LYS VAL LEU ARG ASN VAL THR VAL VAL LEU TRP          
SEQRES  15 A  249  SER ALA TYR PRO VAL VAL TRP LEU ILE GLY SER GLU GLY          
SEQRES  16 A  249  ALA GLY ILE VAL PRO LEU ASN ILE GLU THR LEU LEU PHE          
SEQRES  17 A  249  MET VAL LEU ASP VAL SER ALA LYS VAL GLY PHE GLY LEU          
SEQRES  18 A  249  ILE LEU LEU ARG SER ARG ALA ILE PHE GLY GLU ALA GLU          
SEQRES  19 A  249  ALA PRO GLU PRO SER ALA GLY ASP GLY ALA ALA ALA THR          
SEQRES  20 A  249  SER ASP                                                      
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   *26(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  VAL A  101  1                                  22    
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  SER A  226  1                                  27    
HELIX    8   8 ARG A  227  PHE A  230  5                                   4    
SHEET    1   A 2 LEU A  66  PHE A  71  0                                        
SHEET    2   A 2 GLU A  74  TYR A  79 -1  N  GLU A  74   O  PHE A  71           
LINK         NZ  LYS A 216                 C15 RET A 301     1555   1555  1.33  
SITE     1 AC1  7 LEU A  58  TYR A 133  ALA A 139  ILE A 140                    
SITE     2 AC1  7 LI1 A 606  LI1 A 608  SQU A 701                               
SITE     1 AC2 15 TRP A  12  TYR A 131  SER A 132  PHE A 135                    
SITE     2 AC2 15 TRP A 138  SER A 162  MET A 163  ARG A 164                    
SITE     3 AC2 15 PRO A 165  ALA A 196  ILE A 203  LEU A 206                    
SITE     4 AC2 15 LI1 A 603  LI1 A 608  SQU A 701                               
SITE     1 AC3  7 VAL A 187  LEU A 190  ILE A 198  PRO A 200                    
SITE     2 AC3  7 LI1 A 602  LI1 A 604  LI1 A 609                               
SITE     1 AC4  3 ILE A 198  LI1 A 603  LI1 A 610                               
SITE     1 AC5  2 LI1 A 606  LI1 A 611                                          
SITE     1 AC6  6 ALA A  14  ALA A  18  LEU A  22  LI1 A 601                    
SITE     2 AC6  6 LI1 A 605  LI1 A 611                                          
SITE     1 AC7  9 THR A  55  MET A  56  TYR A  64  TRP A  80                    
SITE     2 AC7  9 ALA A  84  PHE A  88  GLY A 116  ILE A 117                    
SITE     3 AC7  9 LEU A 127                                                     
SITE     1 AC8  4 ALA A 139  LI1 A 601  LI1 A 602  SQU A 701                    
SITE     1 AC9  4 PHE A 154  VAL A 180  LI1 A 603  LI1 A 610                    
SITE     1 BC1  8 LYS A 172  ASN A 176  VAL A 179  VAL A 180                    
SITE     2 BC1  8 SER A 183  ALA A 184  LI1 A 604  LI1 A 609                    
SITE     1 BC2  7 LEU A  22  LEU A  25  TYR A  26  VAL A  29                    
SITE     2 BC2  7 LI1 A 605  LI1 A 606  SQU A 701                               
SITE     1 BC3  8 THR A  24  LEU A  28  ALA A  44  THR A  47                    
SITE     2 BC3  8 PHE A  54  ALA A 110  TYR A 147  HOH A 512                    
SITE     1 BC4  4 PHE A  88  PRO A  91  LEU A  92  VAL A 112                    
SITE     1 BC5 12 LEU A  19  GLY A  23  VAL A 213  SER A 214                    
SITE     2 BC5 12 VAL A 217  GLY A 218  LEU A 221  ARG A 225                    
SITE     3 BC5 12 LI1 A 601  LI1 A 602  LI1 A 608  LI1 A 611                    
SITE     1 BC6 13 TRP A  86  THR A  89  THR A  90  MET A 118                    
SITE     2 BC6 13 TRP A 138  SER A 141  THR A 142  MET A 145                    
SITE     3 BC6 13 TRP A 182  TYR A 185  TRP A 189  ASP A 212                    
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