HEADER    TRANSPORT PROTEIN                       27-FEB-06   2G78              
TITLE     CRYSTAL STRUCTURE OF THE R132K:Y134F MUTANT OF CELLULAR RETINOIC ACID 
TITLE    2 BINDING PROTEIN TYPE II IN COMPLEX WITH ALL-TRANS-RETINOIC ACID AT   
TITLE    3 1.70 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 TRANSPORT PROTEIN                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.VAEZESLAMI,J.H.GEIGER                                               
REVDAT   7   14-FEB-24 2G78    1       REMARK                                   
REVDAT   6   20-OCT-21 2G78    1       REMARK SEQADV                            
REVDAT   5   18-OCT-17 2G78    1       REMARK                                   
REVDAT   4   24-FEB-09 2G78    1       VERSN                                    
REVDAT   3   04-SEP-07 2G78    1       JRNL                                     
REVDAT   2   01-MAY-07 2G78    1       EXPDTA                                   
REVDAT   1   17-APR-07 2G78    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.    1.70 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) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.72                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 17030                          
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) : 0.151                           
REMARK   3   R VALUE            (WORKING SET) : 0.145                           
REMARK   3   FREE R VALUE                     : 0.203                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.400                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1606                            
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) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.74                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 593                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 44.72                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2220                       
REMARK   3   BIN FREE R VALUE SET COUNT          : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1061                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 23                                      
REMARK   3   SOLVENT ATOMS            : 187                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.27                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.12000                                             
REMARK   3    B22 (A**2) : 0.90000                                              
REMARK   3    B33 (A**2) : -0.78000                                             
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): 0.161         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.107         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.062         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.170         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.971                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.945                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1139 ; 0.017 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1065 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1546 ; 1.675 ; 1.977       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2481 ; 0.811 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   136 ; 6.753 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    53 ;33.081 ;25.472       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   208 ;11.589 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     7 ; 7.567 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   183 ; 0.093 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1238 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   210 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   170 ; 0.200 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1087 ; 0.193 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   550 ; 0.177 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):   749 ; 0.084 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   126 ; 0.160 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     2 ; 0.301 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     6 ; 0.159 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    45 ; 0.230 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    18 ; 0.159 ; 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):   689 ; 1.620 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   280 ; 0.752 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1129 ; 2.402 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   466 ; 3.179 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   417 ; 4.479 ; 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):  2295 ; 1.641 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   205 ; 8.647 ; 3.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  2188 ; 3.618 ; 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 2G78 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-MAR-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000036775.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-JAN-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 77                                 
REMARK 200  PH                             : 4.8                                
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   : 17545                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.6                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.04600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.6600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.76                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 60.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.36100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.910                              
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   (%): 52.31                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM CITRATE PH 4.8, 20% PEG     
REMARK 280  5000 AND 10% DMSO, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE       
REMARK 280  298K                                                                
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       22.35100            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       38.77650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       23.12550            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       38.77650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.35100            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       23.12550            
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     ASN A   2    CG   OD1  ND2                                       
REMARK 470     LYS A  20    CG   CD   CE   NZ                                   
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     LYS A 106    CG   CD   CE   NZ                                   
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     -153.47   -142.38                                   
REMARK 500    ASP A 126     -115.32     52.90                                   
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 500  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 548   O                                                      
REMARK 620 2 HOH A 677   O    89.2                                              
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 500                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE REA A 200                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2G79   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2G7A   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2G7B   RELATED DB: PDB                                   
DBREF  2G78 A    1   137  UNP    P29373   RABP2_HUMAN      1    137             
SEQADV 2G78 LYS A  132  UNP  P29373    ARG   132 ENGINEERED MUTATION            
SEQADV 2G78 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 500       1                                                       
HET    REA  A 200      22                                                       
HETNAM      NA SODIUM ION                                                       
HETNAM     REA RETINOIC ACID                                                    
FORMUL   2   NA    NA 1+                                                        
FORMUL   3  REA    C20 H28 O2                                                   
FORMUL   4  HOH   *187(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  GLU A  46   O  THR A  49           
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 135   N  LYS A   8           
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  GLU A 112   O  ILE A 120           
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  86   O  VAL A  94           
SHEET   10   A10 PHE A  71  GLN A  74 -1  N  PHE A  71   O  SER A  83           
LINK        NA    NA A 500                 O   HOH A 548     1555   1555  2.07  
LINK        NA    NA A 500                 O   HOH A 677     1555   1555  2.15  
SITE     1 AC1  3 HOH A 548  HOH A 661  HOH A 677                               
SITE     1 AC2 11 ARG A  11  GLU A  13  LEU A  19  ILE A  31                    
SITE     2 AC2 11 ALA A  32  THR A  54  VAL A  58  LEU A 121                    
SITE     3 AC2 11 LYS A 132  HOH A 503  HOH A 511                               
CRYST1   44.702   46.251   77.553  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      0.022370  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.021620  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012890        0.00000