HEADER    TRANSPORT PROTEIN                       27-JAN-14   3WQJ              
TITLE     CRYSTAL STRUCTURE OF ARCHAERHODOPSIN-2 AT 1.8 ANGSTROM RESOLUTION     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ARCHAERHODOPSIN-2;                                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: AR 2                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HALOBACTERIUM;                                  
SOURCE   3 ORGANISM_TAXID: 29285;                                               
SOURCE   4 STRAIN: AUS-2                                                        
KEYWDS    7 TRANS-MEMBRANE HELICES, LIGHT-DRIVEN PROTON PUMP, TRANSPORT PROTEIN 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.KOUYAMA                                                             
REVDAT   4   06-NOV-24 3WQJ    1       REMARK                                   
REVDAT   3   08-NOV-23 3WQJ    1       REMARK                                   
REVDAT   2   01-JAN-20 3WQJ    1       JRNL   LINK                              
REVDAT   1   15-OCT-14 3WQJ    0                                                
JRNL        AUTH   T.KOUYAMA,R.FUJII,S.KANADA,T.NAKANISHI,S.K.CHAN,M.MURAKAMI   
JRNL        TITL   STRUCTURE OF ARCHAERHODOPSIN-2 AT 1.8 ANGSTROM RESOLUTION.   
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  70  2692 2014              
JRNL        REFN                   ESSN 1399-0047                               
JRNL        PMID   25286853                                                     
JRNL        DOI    10.1107/S1399004714017313                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 21701                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.213                           
REMARK   3   R VALUE            (WORKING SET) : 0.211                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1105                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1629                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.26                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3050                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 103                          
REMARK   3   BIN FREE R VALUE                    : 0.3380                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1810                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 180                                     
REMARK   3   SOLVENT ATOMS            : 51                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.15                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.66                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.94000                                              
REMARK   3    B22 (A**2) : 0.94000                                              
REMARK   3    B33 (A**2) : -1.41000                                             
REMARK   3    B12 (A**2) : 0.47000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.162         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.144         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.093         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.996         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.948                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.940                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2025 ; 0.018 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2742 ; 2.033 ; 2.049       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   233 ; 4.917 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    63 ;30.439 ;21.587       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   291 ;17.503 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    11 ;19.248 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   339 ; 0.221 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1400 ; 0.010 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1152 ; 0.983 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1851 ; 1.704 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   873 ; 2.729 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   891 ; 4.205 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: U VALUES: REFINED INDIVIDUALLY            
REMARK   4                                                                      
REMARK   4 3WQJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-FEB-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000096666.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-JAN-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL38B1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : SI (111) DOUBLE CRYSTAL            
REMARK 200                                   MONOCHROMATOR                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21944                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.110                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.100                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.3                               
REMARK 200  DATA REDUNDANCY                : 8.800                              
REMARK 200  R MERGE                    (I) : 0.05400                            
REMARK 200  R SYM                      (I) : 0.05400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 28.5000                            
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) : 1.90                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 9.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.50000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.50000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.100                              
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 2EI4                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.23                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2.8M AMMONIUM SULFATE, 0.1M HEPES,       
REMARK 280  0.32% NONYLGLUCOSIDE, 8% TREHALOSE, PH 7.0, VAPOR DIFFUSION,        
REMARK 280  SITTING DROP, TEMPERATURE 283K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2                            
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   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290       7555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       8555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       9555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290      10555   Y+2/3,X+1/3,-Z+1/3                                      
REMARK 290      11555   X-Y+2/3,-Y+1/3,-Z+1/3                                   
REMARK 290      12555   -X+2/3,-X+Y+1/3,-Z+1/3                                  
REMARK 290      13555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290      14555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290      15555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290      16555   Y+1/3,X+2/3,-Z+2/3                                      
REMARK 290      17555   X-Y+1/3,-Y+2/3,-Z+2/3                                   
REMARK 290      18555   -X+1/3,-X+Y+2/3,-Z+2/3                                  
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 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
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        0.00000            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000       31.36950            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       18.11119            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000      110.48800            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000       31.36950            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       18.11119            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000      110.48800            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000       31.36950            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       18.11119            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000      110.48800            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000       31.36950            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       18.11119            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      110.48800            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000       31.36950            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       18.11119            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      110.48800            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000       31.36950            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       18.11119            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000      110.48800            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       36.22238            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000      220.97600            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000       36.22238            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000      220.97600            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000       36.22238            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000      220.97600            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000       36.22238            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000      220.97600            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000       36.22238            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000      220.97600            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000       36.22238            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000      220.97600            
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: 23960 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 23540 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -178.0 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       31.36950            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000       54.33357            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000      -31.36950            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000       54.33357            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 C7   SQL A 308  LIES ON A SPECIAL POSITION.                          
REMARK 375 C12  SQL A 308  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A    -5                                                      
REMARK 465     ASP A    -4                                                      
REMARK 465     PRO A    -3                                                      
REMARK 465     ILE A    -2                                                      
REMARK 465     ALA A    -1                                                      
REMARK 465     LEU A     0                                                      
REMARK 465     LEU A   235                                                      
REMARK 465     GLY A   236                                                      
REMARK 465     GLU A   237                                                      
REMARK 465     THR A   238                                                      
REMARK 465     GLU A   239                                                      
REMARK 465     ALA A   240                                                      
REMARK 465     PRO A   241                                                      
REMARK 465     GLU A   242                                                      
REMARK 465     PRO A   243                                                      
REMARK 465     SER A   244                                                      
REMARK 465     ALA A   245                                                      
REMARK 465     GLY A   246                                                      
REMARK 465     ALA A   247                                                      
REMARK 465     ASP A   248                                                      
REMARK 465     ALA A   249                                                      
REMARK 465     SER A   250                                                      
REMARK 465     ALA A   251                                                      
REMARK 465     ALA A   252                                                      
REMARK 465     ASP A   253                                                      
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  11   NE  -  CZ  -  NH1 ANGL. DEV. =  -8.6 DEGREES          
REMARK 500    ARG A  11   NE  -  CZ  -  NH2 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    LEU A  92   CB  -  CG  -  CD1 ANGL. DEV. =  11.1 DEGREES          
REMARK 500    LEU A  92   CB  -  CG  -  CD2 ANGL. DEV. = -15.2 DEGREES          
REMARK 500    LEU A  98   CB  -  CG  -  CD1 ANGL. DEV. =  10.6 DEGREES          
REMARK 500    LEU A  99   CB  -  CG  -  CD1 ANGL. DEV. =  11.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    THR A 159      -80.34   -114.57                                   
REMARK 500    ALA A 233      -17.76    -46.42                                   
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     22B A  302                                                       
REMARK 610     L3P A  305                                                       
REMARK 610     L4P A  306                                                       
REMARK 610     L4P A  307                                                       
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 22B A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 303                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE L2P A 304                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE L3P A 305                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE L4P A 306                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE L4P A 307                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SQL A 308                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2EI4   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN IN THE P321 CRYSTAL                                 
REMARK 900 RELATED ID: 2Z55   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN IN THE P6(3) CRYSTAL                                
REMARK 900 RELATED ID: 1VGO   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN IN THE P4(3)2(1)2 CRYSTAL                           
REMARK 900 RELATED ID: 1UAZ   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF ARCHAERHODOPSIN-1 IN THE C222(1) CRYSTAL                
REMARK 900 RELATED ID: 1IW6   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF BACTERIORHODOPSIN IN THE P622 CRYSTAL                   
REMARK 900 RELATED ID: 4FBZ   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF DELTARHODOPSIN IN THE R32 CRYSTAL                       
DBREF  3WQJ A   -5   253  UNP    P29563   BACR2_HALS2      1    259             
SEQRES   1 A  259  MET ASP PRO ILE ALA LEU GLN ALA GLY PHE ASP LEU LEU          
SEQRES   2 A  259  ASN ASP GLY ARG PRO GLU THR LEU TRP LEU GLY ILE GLY          
SEQRES   3 A  259  THR LEU LEU MET LEU ILE GLY THR PHE TYR PHE ILE ALA          
SEQRES   4 A  259  ARG GLY TRP GLY VAL THR ASP LYS GLU ALA ARG GLU TYR          
SEQRES   5 A  259  TYR ALA ILE THR ILE LEU VAL PRO GLY ILE ALA SER ALA          
SEQRES   6 A  259  ALA TYR LEU ALA MET PHE PHE GLY ILE GLY VAL THR GLU          
SEQRES   7 A  259  VAL GLU LEU ALA SER GLY THR VAL LEU ASP ILE TYR TYR          
SEQRES   8 A  259  ALA ARG TYR ALA ASP TRP LEU PHE THR THR PRO LEU LEU          
SEQRES   9 A  259  LEU LEU ASP LEU ALA LEU LEU ALA LYS VAL ASP ARG VAL          
SEQRES  10 A  259  THR ILE GLY THR LEU ILE GLY VAL ASP ALA LEU MET ILE          
SEQRES  11 A  259  VAL THR GLY LEU ILE GLY ALA LEU SER LYS THR PRO LEU          
SEQRES  12 A  259  ALA ARG TYR THR TRP TRP LEU PHE SER THR ILE ALA PHE          
SEQRES  13 A  259  LEU PHE VAL LEU TYR TYR LEU LEU THR SER LEU ARG SER          
SEQRES  14 A  259  ALA ALA ALA LYS ARG SER GLU GLU VAL ARG SER THR PHE          
SEQRES  15 A  259  ASN THR LEU THR ALA LEU VAL ALA VAL LEU TRP THR ALA          
SEQRES  16 A  259  TYR PRO ILE LEU TRP ILE VAL GLY THR GLU GLY ALA GLY          
SEQRES  17 A  259  VAL VAL GLY LEU GLY ILE GLU THR LEU ALA PHE MET VAL          
SEQRES  18 A  259  LEU ASP VAL THR ALA LYS VAL GLY PHE GLY PHE VAL LEU          
SEQRES  19 A  259  LEU ARG SER ARG ALA ILE LEU GLY GLU THR GLU ALA PRO          
SEQRES  20 A  259  GLU PRO SER ALA GLY ALA ASP ALA SER ALA ALA ASP              
HET    RET  A 301      20                                                       
HET    22B  A 302      27                                                       
HET    SO4  A 303       5                                                       
HET    L2P  A 304      46                                                       
HET    L3P  A 305      20                                                       
HET    L4P  A 306      16                                                       
HET    L4P  A 307      16                                                       
HET    SQL  A 308      30                                                       
HETNAM     RET RETINAL                                                          
HETNAM     22B BACTERIORUBERIN                                                  
HETNAM     SO4 SULFATE ION                                                      
HETNAM     L2P 2,3-DI-PHYTANYL-GLYCEROL                                         
HETNAM     L3P 2,3-DI-O-PHYTANLY-3-SN-GLYCERO-1-PHOSPHORYL-3'-SN-               
HETNAM   2 L3P  GLYCEROL-1'-PHOSPHATE                                           
HETNAM     L4P 3-[GLYCEROLYLPHOSPHONYL]-[1,2-DI-PHYTANYL]GLYCEROL               
HETNAM     SQL (6E,10E,14E,18E)-2,6,10,15,19,23-HEXAMETHYLTETRACOSA-2,          
HETNAM   2 SQL  6,10,14,18,22-HEXAENE                                           
HETSYN     L2P 1,2-DI-1-(3,7,11,15-TETRAMETHYL-HEXADECANE)-SN-GLYCEROL          
HETSYN     L4P 2,3-DI-O-PHYTANLY-3-SN-GLYCERO-1-PHOSPHORYL-3'-SN-               
HETSYN   2 L4P  GLYCEROL                                                        
HETSYN     SQL SQUALENE                                                         
FORMUL   2  RET    C20 H28 O                                                    
FORMUL   3  22B    C50 H76 O4                                                   
FORMUL   4  SO4    O4 S 2-                                                      
FORMUL   5  L2P    C43 H88 O3                                                   
FORMUL   6  L3P    C46 H94 O11 P2 2-                                            
FORMUL   7  L4P    2(C46 H95 O8 P)                                              
FORMUL   9  SQL    C30 H50                                                      
FORMUL  10  HOH   *51(H2 O)                                                     
HELIX    1   1 GLU A   13  TRP A   36  1                                  24    
HELIX    2   2 ASP A   40  GLY A   67  1                                  28    
HELIX    3   3 TYR A   85  LYS A  107  1                                  23    
HELIX    4   4 ASP A  109  SER A  133  1                                  25    
HELIX    5   5 THR A  135  THR A  159  1                                  25    
HELIX    6   6 THR A  159  ALA A  166  1                                   8    
HELIX    7   7 SER A  169  GLY A  197  1                                  29    
HELIX    8   8 GLY A  205  ARG A  230  1                                  26    
SHEET    1   A 2 THR A  71  GLU A  74  0                                        
SHEET    2   A 2 VAL A  80  ILE A  83 -1  O  ILE A  83   N  THR A  71           
LINK         NZ  LYS A 221                 C15 RET A 301     1555   1555  1.46  
SITE     1 AC1 12 TRP A  91  THR A  95  MET A 123  TRP A 143                    
SITE     2 AC1 12 SER A 146  THR A 147  TRP A 187  TYR A 190                    
SITE     3 AC1 12 PRO A 191  TRP A 194  ASP A 217  LYS A 221                    
SITE     1 AC2 11 PHE A  29  GLY A  35  ARG A  44  ALA A  48                    
SITE     2 AC2 11 ILE A  51  THR A 112  THR A 115  VAL A 119                    
SITE     3 AC2 11 PHE A 145  TYR A 156  SER A 160                               
SITE     1 AC3  9 PHE A  66  GLY A  67  ILE A  68  SER A 133                    
SITE     2 AC3  9 LYS A 134  THR A 135  ALA A 138  HOH A 409                    
SITE     3 AC3  9 HOH A 428                                                     
SITE     1 AC4  8 ALA A  59  ALA A  63  TYR A  85  ALA A  89                    
SITE     2 AC4  8 LEU A  92  VAL A 125  LEU A 128  SQL A 308                    
SITE     1 AC5  1 ILE A  26                                                     
SITE     1 AC6  1 ILE A 113                                                     
SITE     1 AC7  4 GLU A  45  ALA A  48  ILE A  49  ARG A 110                    
SITE     1 AC8  1 L2P A 304                                                     
CRYST1   62.739   62.739  331.464  90.00  90.00 120.00 H 3 2        18          
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      0.015939  0.009202  0.000000        0.00000                         
SCALE2      0.000000  0.018405  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003017        0.00000