HEADER TRANSPORT PROTEIN 27-FEB-06 2G7B TITLE CRYSTAL STRUCTURE OF THE R132K:R111L:L121E MUTANT OF CELLULAR RETINOIC TITLE 2 ACID BINDING PROTEIN TYPE II IN COMPLEX WITH ALL-TRANS-RETINAL AT TITLE 3 1.18 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 SCHIFF BASE, PROTONATED SCHIFF BASE, RETINAL, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.VAEZESLAMI,J.H.GEIGER REVDAT 8 29-JAN-25 2G7B 1 COMPND REMARK HET HETNAM REVDAT 8 2 1 FORMUL LINK ATOM REVDAT 7 16-OCT-24 2G7B 1 REMARK REVDAT 6 20-OCT-21 2G7B 1 REMARK SEQADV LINK REVDAT 5 18-OCT-17 2G7B 1 REMARK REVDAT 4 24-FEB-09 2G7B 1 VERSN REVDAT 3 04-SEP-07 2G7B 1 JRNL REVDAT 2 01-MAY-07 2G7B 1 EXPDTA REVDAT 1 17-APR-07 2G7B 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. 1.18 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) : 1.18 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.81 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 52405 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) : 0.130 REMARK 3 R VALUE (WORKING SET) : 0.129 REMARK 3 FREE R VALUE : 0.155 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.600 REMARK 3 FREE R VALUE TEST SET COUNT : 2920 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) : 1.18 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.21 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2586 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 69.32 REMARK 3 BIN R VALUE (WORKING SET) : 0.1950 REMARK 3 BIN FREE R VALUE SET COUNT : 152 REMARK 3 BIN FREE R VALUE : 0.2150 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1071 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 250 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.18 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.31000 REMARK 3 B22 (A**2) : 0.20000 REMARK 3 B33 (A**2) : -0.51000 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): 0.031 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.032 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.019 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.899 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.979 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.972 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1182 ; 0.019 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1117 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1601 ; 1.795 ; 1.983 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2625 ; 1.585 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 136 ; 7.047 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 55 ;33.278 ;26.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 233 ;10.440 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 6 ;10.899 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 195 ; 0.122 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1252 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 220 ; 0.011 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 206 ; 0.333 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1184 ; 0.241 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 564 ; 0.180 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 773 ; 0.088 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 194 ; 0.173 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 2 ; 0.362 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 9 ; 0.417 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 51 ; 0.288 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 27 ; 0.210 ; 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): 697 ; 1.917 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 283 ; 0.952 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1159 ; 2.866 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 498 ; 3.668 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 441 ; 5.242 ; 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): 2381 ; 1.949 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 287 ; 9.638 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 2283 ; 4.631 ; 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 2G7B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-MAR-06. REMARK 100 THE DEPOSITION ID IS D_1000036778. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JUN-04 REMARK 200 TEMPERATURE (KELVIN) : 77 REMARK 200 PH : 5.8 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 : 52457 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.180 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 (%) : 96.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.18 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.22 REMARK 200 COMPLETENESS FOR SHELL (%) : 74.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.33200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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 (%): 52.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.59 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% (W/V) PEG 6000 AND 0.1 M SODIUM REMARK 280 ACETATE PH 5.8, 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 22.72950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.87350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.75700 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.87350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.72950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 22.75700 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 98 CG CD CE NZ REMARK 470 LYS A 101 CG CD CE NZ REMARK 470 GLU A 103 CG CD OE1 OE2 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 29 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG A 29 NE - CZ - NH2 ANGL. DEV. = -3.3 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 GLU A 73 -150.68 -151.47 REMARK 500 ASP A 126 -121.42 50.65 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 ALL-TRANS RETINAL (LIGAND CODE RET) FORMED REMARK 600 A PROTONATED SCHIFF BASE (PSB) WITH LYS 132 REMARK 600 AND CONVERTED INTO ALL-TRANS AXEROPTHENE REMARK 600 (LIGAND CODE AZE) 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 454 O REMARK 620 2 HOH A 512 O 113.8 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 515 O REMARK 620 2 HOH A 550 O 119.5 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 RET A 138 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2G7A RELATED DB: PDB REMARK 900 RELATED ID: 2G79 RELATED DB: PDB REMARK 900 RELATED ID: 2G78 RELATED DB: PDB DBREF 2G7B A 1 137 UNP P29373 RABP2_HUMAN 1 137 SEQADV 2G7B LEU A 111 UNP P29373 ARG 111 ENGINEERED MUTATION SEQADV 2G7B GLU A 121 UNP P29373 LEU 121 ENGINEERED MUTATION SEQADV 2G7B LYS A 132 UNP P29373 ARG 132 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 LEU GLU LEU THR ASN ASP GLY SEQRES 10 A 137 GLU LEU ILE GLU THR MET THR ALA ASP ASP VAL VAL CYS SEQRES 11 A 137 THR LYS VAL TYR VAL ARG GLU HET NA A 300 1 HET NA A 301 1 HET RET A 138 20 HETNAM NA SODIUM ION HETNAM RET RETINAL FORMUL 2 NA 2(NA 1+) FORMUL 4 RET C20 H28 O FORMUL 5 HOH *250(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 ARG A 59 LYS A 66 0 SHEET 2 A10 THR A 49 THR A 56 -1 N PHE A 50 O PHE A 65 SHEET 3 A10 ALA A 40 GLU A 46 -1 N GLU A 42 O LYS A 53 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 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 82 O LYS A 98 SHEET 10 A10 PHE A 71 GLN A 74 -1 N PHE A 71 O SER A 83 LINK NZ LYS A 132 C15 RET A 138 1555 1555 1.32 LINK NA NA A 300 O HOH A 454 1555 1555 2.52 LINK NA NA A 300 O AHOH A 512 1555 1555 2.02 LINK NA NA A 301 O BHOH A 515 1555 1555 2.52 LINK NA NA A 301 O HOH A 550 1555 1555 2.08 SITE 1 AC1 3 ASP A 48 HOH A 454 HOH A 512 SITE 1 AC2 6 VAL A 26 GLY A 68 ASN A 115 HOH A 515 SITE 2 AC2 6 HOH A 531 HOH A 550 SITE 1 AC3 10 GLU A 13 PHE A 15 LEU A 28 THR A 54 SITE 2 AC3 10 ARG A 59 VAL A 76 GLU A 121 MET A 123 SITE 3 AC3 10 THR A 131 LYS A 132 CRYST1 45.459 45.514 77.747 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 0.022000 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021970 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012860 0.00000