HEADER    TRANSPORT PROTEIN                       27-FEB-06   2G79              
TITLE     CRYSTAL STRUCTURE OF THE R132K:Y134F MUTANT OF CELLULAR RETINOIC ACID 
TITLE    2 BINDING PROTEIN TYPE II IN COMPLEX WITH ALL-TRANS-RETINAL AT 1.69    
TITLE    3 ANGSTROMS RESOLUTION                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CELLULAR RETINOIC ACID-BINDING PROTEIN 2;                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CELLULAR RETINOIC ACID-BINDING PROTEIN II, CRABP-II,        
COMPND   5 RETINOIC ACID-BINDING PROTEIN II, CELLULAR;                          
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CRABP2;                                                        
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS;                            
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET17-B                                   
KEYWDS    CRABPII, RETINOIC ACID, RETINOIDS, BETA BARREL, HIGH RESOLUTION,      
KEYWDS   2 RETINAL, TRANSPORT PROTEIN                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.VAEZESLAMI,J.H.GEIGER                                               
REVDAT   7   14-FEB-24 2G79    1       REMARK                                   
REVDAT   6   20-OCT-21 2G79    1       REMARK SEQADV LINK                       
REVDAT   5   18-OCT-17 2G79    1       REMARK                                   
REVDAT   4   24-FEB-09 2G79    1       VERSN                                    
REVDAT   3   04-SEP-07 2G79    1       JRNL                                     
REVDAT   2   01-MAY-07 2G79    1       EXPDTA                                   
REVDAT   1   17-APR-07 2G79    0                                                
JRNL        AUTH   C.VASILEIOU,S.VAEZESLAMI,R.M.CRIST,M.RABAGO-SMITH,           
JRNL        AUTH 2 J.H.GEIGER,B.BORHAN                                          
JRNL        TITL   PROTEIN DESIGN: REENGINEERING CELLULAR RETINOIC ACID BINDING 
JRNL        TITL 2 PROTEIN II INTO A RHODOPSIN PROTEIN MIMIC.                   
JRNL        REF    J.AM.CHEM.SOC.                V. 129  6140 2007              
JRNL        REFN                   ISSN 0002-7863                               
JRNL        PMID   17447762                                                     
JRNL        DOI    10.1021/JA067546R                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.VAEZESLAMI                                                 
REMARK   1  TITL   DETERMINING CRYSTAL STRUCTURES OF PROTEINS AND PROTEIN       
REMARK   1  TITL 2 COMPLEXES BY X-RAY CRYSTALLOGRAPHY: X-RAY CRYSTALLOGRAPHIC   
REMARK   1  TITL 3 STUDIES OF THE MUTANTS OF CELLULAR RETINOIC ACID BINDING     
REMARK   1  TITL 4 PROTEIN TYPE II TOWARD DESIGNING A MIMIC OF RHODOPSIN        
REMARK   1  REF    THESIS                                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.69 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
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) : 1.69                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.19                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 17868                          
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) : 0.161                           
REMARK   3   R VALUE            (WORKING SET) : 0.155                           
REMARK   3   FREE R VALUE                     : 0.214                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.200                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1815                            
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) : 1.69                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.74                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1134                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.91                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1590                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 131                          
REMARK   3   BIN FREE R VALUE                    : 0.2600                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1064                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 34                                      
REMARK   3   SOLVENT ATOMS            : 153                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.18                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.04000                                              
REMARK   3    B22 (A**2) : 0.23000                                              
REMARK   3    B33 (A**2) : -0.27000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.154         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.110         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.060         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.916         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.961                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.935                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1162 ; 0.019 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1101 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1576 ; 1.819 ; 1.996       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2570 ; 0.883 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   138 ; 6.883 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    48 ;29.157 ;25.417       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   218 ;13.498 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     6 ;12.563 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   187 ; 0.117 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1254 ; 0.008 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   235 ; 0.006 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   199 ; 0.222 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1120 ; 0.202 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   573 ; 0.178 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):   788 ; 0.088 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   121 ; 0.210 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):     1 ; 0.195 ; 0.200       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     7 ; 0.304 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     7 ; 0.238 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    41 ; 0.215 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     8 ; 0.160 ; 0.200       
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):   693 ; 1.801 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   281 ; 0.731 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1137 ; 2.773 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   484 ; 3.651 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   438 ; 5.524 ; 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):  2356 ; 2.123 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   160 ; 8.352 ; 3.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  2246 ; 3.307 ; 3.000       
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   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2G79 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAR-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000036776.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-NOV-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 77                                 
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 32-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17931                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.690                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.07600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.0300                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.75                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.74100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: RIGID BODY REFINEMENT        
REMARK 200 SOFTWARE USED: RIGID BODY REFINEMENT                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.70                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% (W/V) PEG 8000 AND 0.2 M AMMONIUM    
REMARK 280  SULFATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K            
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       22.74650            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       36.79850            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       23.16250            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       36.79850            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.74650            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       23.16250            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A  30    CG   CD   CE   NZ                                   
REMARK 470     LYS A  38    CG   CD   CE   NZ                                   
REMARK 470     LYS A  98    CG   CD   CE   NZ                                   
REMARK 470     LYS A 101    CG   CD   CE   NZ                                   
REMARK 470     ASP A 127    CG   OD1  OD2                                       
REMARK 470     GLU A 137    CG   CD   OE1  OE2                                  
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    GLU A  73     -158.60   -145.95                                   
REMARK 500    ASP A 126     -106.93     36.98                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A 300  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 546   O                                                      
REMARK 620 2 HOH A 547   O    83.1                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A 301  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 431   O                                                      
REMARK 620 2 HOH A 509   O    98.0                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A 302  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 543   O                                                      
REMARK 620 2 HOH A 544   O    62.4                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 300                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RET A 200                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2G78   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2G7A   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2G7B   RELATED DB: PDB                                   
DBREF  2G79 A    1   137  UNP    P29373   RABP2_HUMAN      1    137             
SEQADV 2G79 LYS A  132  UNP  P29373    ARG   132 ENGINEERED MUTATION            
SEQADV 2G79 PHE A  134  UNP  P29373    TYR   134 ENGINEERED MUTATION            
SEQRES   1 A  137  PRO ASN PHE SER GLY ASN TRP LYS ILE ILE ARG SER GLU          
SEQRES   2 A  137  ASN PHE GLU GLU LEU LEU LYS VAL LEU GLY VAL ASN VAL          
SEQRES   3 A  137  MET LEU ARG LYS ILE ALA VAL ALA ALA ALA SER LYS PRO          
SEQRES   4 A  137  ALA VAL GLU ILE LYS GLN GLU GLY ASP THR PHE TYR ILE          
SEQRES   5 A  137  LYS THR SER THR THR VAL ARG THR THR GLU ILE ASN PHE          
SEQRES   6 A  137  LYS VAL GLY GLU GLU PHE GLU GLU GLN THR VAL ASP GLY          
SEQRES   7 A  137  ARG PRO CYS LYS SER LEU VAL LYS TRP GLU SER GLU ASN          
SEQRES   8 A  137  LYS MET VAL CYS GLU GLN LYS LEU LEU LYS GLY GLU GLY          
SEQRES   9 A  137  PRO LYS THR SER TRP THR ARG GLU LEU THR ASN ASP GLY          
SEQRES  10 A  137  GLU LEU ILE LEU THR MET THR ALA ASP ASP VAL VAL CYS          
SEQRES  11 A  137  THR LYS VAL PHE VAL ARG GLU                                  
HET     NA  A 300       1                                                       
HET     NA  A 301       1                                                       
HET     NA  A 302       2                                                       
HET    SO4  A 400       5                                                       
HET    SO4  A 401       5                                                       
HET    RET  A 200      37                                                       
HETNAM      NA SODIUM ION                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     RET RETINAL                                                          
FORMUL   2   NA    3(NA 1+)                                                     
FORMUL   5  SO4    2(O4 S 2-)                                                   
FORMUL   7  RET    C20 H28 O                                                    
FORMUL   8  HOH   *153(H2 O)                                                    
HELIX    1   1 ASN A   14  LEU A   22  1                                   9    
HELIX    2   2 ASN A   25  SER A   37  1                                  13    
SHEET    1   A10 THR A  60  LYS A  66  0                                        
SHEET    2   A10 THR A  49  SER A  55 -1  N  PHE A  50   O  PHE A  65           
SHEET    3   A10 ALA A  40  GLU A  46 -1  N  ALA A  40   O  SER A  55           
SHEET    4   A10 GLY A   5  GLU A  13 -1  N  TRP A   7   O  VAL A  41           
SHEET    5   A10 VAL A 128  ARG A 136 -1  O  VAL A 133   N  ILE A  10           
SHEET    6   A10 LEU A 119  ALA A 125 -1  N  MET A 123   O  CYS A 130           
SHEET    7   A10 THR A 107  LEU A 113 -1  N  SER A 108   O  THR A 124           
SHEET    8   A10 LYS A  92  LEU A  99 -1  N  CYS A  95   O  TRP A 109           
SHEET    9   A10 PRO A  80  SER A  89 -1  N  LYS A  82   O  LYS A  98           
SHEET   10   A10 PHE A  71  GLN A  74 -1  N  PHE A  71   O  SER A  83           
LINK        NA    NA A 300                 O   HOH A 546     1555   1555  2.10  
LINK        NA    NA A 300                 O   HOH A 547     1555   1555  1.96  
LINK        NA    NA A 301                 O   HOH A 431     1555   1555  2.11  
LINK        NA    NA A 301                 O   HOH A 509     1555   1555  2.39  
LINK        NA  B NA A 302                 O   HOH A 543     1555   1555  2.18  
LINK        NA  A NA A 302                 O   HOH A 543     1555   1555  1.97  
LINK        NA  A NA A 302                 O   HOH A 544     1555   1555  2.33  
SITE     1 AC1  3 LYS A  92  HOH A 546  HOH A 547                               
SITE     1 AC2  4 GLU A  73  TRP A 109  HOH A 431  HOH A 509                    
SITE     1 AC3  4 RET A 200  HOH A 543  HOH A 544  HOH A 554                    
SITE     1 AC4  4 LYS A  20  ARG A  29  LYS A  66  GLU A  69                    
SITE     1 AC5 11 SER A  12  GLU A  13  ASN A  14  PHE A  15                    
SITE     2 AC5 11 GLU A  16  VAL A  33  HOH A 492  HOH A 495                    
SITE     3 AC5 11 HOH A 512  HOH A 533  HOH A 535                               
SITE     1 AC6 14 ARG A  11  GLU A  13  PHE A  15  LEU A  28                    
SITE     2 AC6 14 ALA A  32  PRO A  39  VAL A  58  VAL A  76                    
SITE     3 AC6 14 ASP A  77  ARG A 111  LEU A 121  LYS A 132                    
SITE     4 AC6 14  NA A 302  HOH A 411                                          
CRYST1   45.493   46.325   73.597  90.00  90.00  90.00 P 21 21 21    4          
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      0.021980  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.021590  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013590        0.00000