HEADER PROTON TRANSPORT 27-NOV-11 3UTY TITLE CRYSTAL STRUCTURE OF BACTERIORHODOPSIN MUTANT P50A/T46A COMPND MOL_ID: 1; COMPND 2 MOLECULE: BACTERIORHODOPSIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BR, BACTERIOOPSIN, BO; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HALOBACTERIUM SP.; SOURCE 3 ORGANISM_TAXID: 64091; SOURCE 4 STRAIN: ATCC 700922 / JCM 11081 / NRC-1; SOURCE 5 GENE: BOP, VNG_1467G; SOURCE 6 EXPRESSION_SYSTEM: HALOBACTERIUM SALINARUM; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 2242; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: L33 KEYWDS MEMBRANE PROTEIN, PHOTORECEPTOR PROTEIN, RETINAL PROTEIN, ION KEYWDS 2 TRANSPORT, PROTON TRANSPORT, SENSORY TRANSDUCTION EXPDTA X-RAY DIFFRACTION AUTHOR Z.CAO,J.U.BOWIE REVDAT 3 16-OCT-24 3UTY 1 REMARK SEQADV LINK REVDAT 2 16-JUL-14 3UTY 1 JRNL REVDAT 1 09-MAY-12 3UTY 0 JRNL AUTH Z.CAO,J.U.BOWIE JRNL TITL SHIFTING HYDROGEN BONDS MAY PRODUCE FLEXIBLE TRANSMEMBRANE JRNL TITL 2 HELICES. JRNL REF PROC.NATL.ACAD.SCI.USA V. 109 8121 2012 JRNL REFN ISSN 0027-8424 JRNL PMID 22566663 JRNL DOI 10.1073/PNAS.1201298109 REMARK 2 REMARK 2 RESOLUTION. 2.37 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.3 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.37 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 90.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 21088 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1111 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3504 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 52 REMARK 3 SOLVENT ATOMS : 7 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.37000 REMARK 3 B22 (A**2) : 11.93300 REMARK 3 B33 (A**2) : -9.56300 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -2.51700 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 2.016 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3UTY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-DEC-11. REMARK 100 THE DEPOSITION ID IS D_1000069204. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUN-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97920 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21876 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.370 REMARK 200 RESOLUTION RANGE LOW (A) : 90.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.37 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.45 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASES REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.61 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.65M SODIUM PHOSPHATE, 0.95% REMARK 280 TRIETHYLENE GLYCEROL, 0.008M 1,6-HEXANEDIOL, 4.3% DMPC, 1.5% REMARK 280 CHAPSO, BICELLES, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 310K, PH 4 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 58.23150 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3270 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLN A 1 REMARK 465 ALA A 2 REMARK 465 GLN A 3 REMARK 465 ILE A 4 REMARK 465 GLU A 232 REMARK 465 ALA A 233 REMARK 465 GLU A 234 REMARK 465 ALA A 235 REMARK 465 PRO A 236 REMARK 465 GLU A 237 REMARK 465 PRO A 238 REMARK 465 SER A 239 REMARK 465 ALA A 240 REMARK 465 GLY A 241 REMARK 465 ASP A 242 REMARK 465 GLY A 243 REMARK 465 ALA A 244 REMARK 465 ALA A 245 REMARK 465 ALA A 246 REMARK 465 THR A 247 REMARK 465 SER A 248 REMARK 465 ASP A 249 REMARK 465 GLN B 1 REMARK 465 ALA B 2 REMARK 465 GLN B 3 REMARK 465 ILE B 4 REMARK 465 GLU B 232 REMARK 465 ALA B 233 REMARK 465 GLU B 234 REMARK 465 ALA B 235 REMARK 465 PRO B 236 REMARK 465 GLU B 237 REMARK 465 PRO B 238 REMARK 465 SER B 239 REMARK 465 ALA B 240 REMARK 465 GLY B 241 REMARK 465 ASP B 242 REMARK 465 GLY B 243 REMARK 465 ALA B 244 REMARK 465 ALA B 245 REMARK 465 ALA B 246 REMARK 465 THR B 247 REMARK 465 SER B 248 REMARK 465 ASP B 249 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU A 22 CA - CB - CG ANGL. DEV. = 21.0 DEGREES REMARK 500 PRO A 37 C - N - CA ANGL. DEV. = 16.4 DEGREES REMARK 500 PRO A 37 C - N - CD ANGL. DEV. = -14.8 DEGREES REMARK 500 LEU A 58 CB - CG - CD2 ANGL. DEV. = -11.9 DEGREES REMARK 500 LEU A 206 CA - CB - CG ANGL. DEV. = -19.2 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 PHE B 71 146.77 -173.34 REMARK 500 ALA B 103 147.05 -39.13 REMARK 500 GLN B 105 -39.48 -33.52 REMARK 500 REMARK 500 REMARK: NULL 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 RET B 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3UTV RELATED DB: PDB REMARK 900 RELATED ID: 3UTW RELATED DB: PDB REMARK 900 RELATED ID: 3UTX RELATED DB: PDB DBREF 3UTY A 1 249 UNP P02945 BACR_HALSA 14 262 DBREF 3UTY B 1 249 UNP P02945 BACR_HALSA 14 262 SEQADV 3UTY ALA A 46 UNP P02945 THR 59 ENGINEERED MUTATION SEQADV 3UTY ALA A 50 UNP P02945 PRO 63 ENGINEERED MUTATION SEQADV 3UTY ALA B 46 UNP P02945 THR 59 ENGINEERED MUTATION SEQADV 3UTY ALA B 50 UNP P02945 PRO 63 ENGINEERED MUTATION SEQRES 1 A 249 GLN ALA GLN ILE THR GLY ARG PRO GLU TRP ILE TRP LEU SEQRES 2 A 249 ALA LEU GLY THR ALA LEU MET GLY LEU GLY THR LEU TYR SEQRES 3 A 249 PHE LEU VAL LYS GLY MET GLY VAL SER ASP PRO ASP ALA SEQRES 4 A 249 LYS LYS PHE TYR ALA ILE ALA THR LEU VAL ALA ALA ILE SEQRES 5 A 249 ALA PHE THR MET TYR LEU SER MET LEU LEU GLY TYR GLY SEQRES 6 A 249 LEU THR MET VAL PRO PHE GLY GLY GLU GLN ASN PRO ILE SEQRES 7 A 249 TYR TRP ALA ARG TYR ALA ASP TRP LEU PHE THR THR PRO SEQRES 8 A 249 LEU LEU LEU LEU ASP LEU ALA LEU LEU VAL ASP ALA ASP SEQRES 9 A 249 GLN GLY THR ILE LEU ALA LEU VAL GLY ALA ASP GLY ILE SEQRES 10 A 249 MET ILE GLY THR GLY LEU VAL GLY ALA LEU THR LYS VAL SEQRES 11 A 249 TYR SER TYR ARG PHE VAL TRP TRP ALA ILE SER THR ALA SEQRES 12 A 249 ALA MET LEU TYR ILE LEU TYR VAL LEU PHE PHE GLY PHE SEQRES 13 A 249 THR SER LYS ALA GLU SER MET ARG PRO GLU VAL ALA SER SEQRES 14 A 249 THR PHE LYS VAL LEU ARG ASN VAL THR VAL VAL LEU TRP SEQRES 15 A 249 SER ALA TYR PRO VAL VAL TRP LEU ILE GLY SER GLU GLY SEQRES 16 A 249 ALA GLY ILE VAL PRO LEU ASN ILE GLU THR LEU LEU PHE SEQRES 17 A 249 MET VAL LEU ASP VAL SER ALA LYS VAL GLY PHE GLY LEU SEQRES 18 A 249 ILE LEU LEU ARG SER ARG ALA ILE PHE GLY GLU ALA GLU SEQRES 19 A 249 ALA PRO GLU PRO SER ALA GLY ASP GLY ALA ALA ALA THR SEQRES 20 A 249 SER ASP SEQRES 1 B 249 GLN ALA GLN ILE THR GLY ARG PRO GLU TRP ILE TRP LEU SEQRES 2 B 249 ALA LEU GLY THR ALA LEU MET GLY LEU GLY THR LEU TYR SEQRES 3 B 249 PHE LEU VAL LYS GLY MET GLY VAL SER ASP PRO ASP ALA SEQRES 4 B 249 LYS LYS PHE TYR ALA ILE ALA THR LEU VAL ALA ALA ILE SEQRES 5 B 249 ALA PHE THR MET TYR LEU SER MET LEU LEU GLY TYR GLY SEQRES 6 B 249 LEU THR MET VAL PRO PHE GLY GLY GLU GLN ASN PRO ILE SEQRES 7 B 249 TYR TRP ALA ARG TYR ALA ASP TRP LEU PHE THR THR PRO SEQRES 8 B 249 LEU LEU LEU LEU ASP LEU ALA LEU LEU VAL ASP ALA ASP SEQRES 9 B 249 GLN GLY THR ILE LEU ALA LEU VAL GLY ALA ASP GLY ILE SEQRES 10 B 249 MET ILE GLY THR GLY LEU VAL GLY ALA LEU THR LYS VAL SEQRES 11 B 249 TYR SER TYR ARG PHE VAL TRP TRP ALA ILE SER THR ALA SEQRES 12 B 249 ALA MET LEU TYR ILE LEU TYR VAL LEU PHE PHE GLY PHE SEQRES 13 B 249 THR SER LYS ALA GLU SER MET ARG PRO GLU VAL ALA SER SEQRES 14 B 249 THR PHE LYS VAL LEU ARG ASN VAL THR VAL VAL LEU TRP SEQRES 15 B 249 SER ALA TYR PRO VAL VAL TRP LEU ILE GLY SER GLU GLY SEQRES 16 B 249 ALA GLY ILE VAL PRO LEU ASN ILE GLU THR LEU LEU PHE SEQRES 17 B 249 MET VAL LEU ASP VAL SER ALA LYS VAL GLY PHE GLY LEU SEQRES 18 B 249 ILE LEU LEU ARG SER ARG ALA ILE PHE GLY GLU ALA GLU SEQRES 19 B 249 ALA PRO GLU PRO SER ALA GLY ASP GLY ALA ALA ALA THR SEQRES 20 B 249 SER ASP HET RET A 301 20 HET D12 A 501 12 HET RET B 301 20 HETNAM RET RETINAL HETNAM D12 DODECANE FORMUL 3 RET 2(C20 H28 O) FORMUL 4 D12 C12 H26 FORMUL 6 HOH *7(H2 O) HELIX 1 1 GLU A 9 MET A 32 1 24 HELIX 2 2 PRO A 37 LEU A 62 1 26 HELIX 3 3 TRP A 80 VAL A 101 1 22 HELIX 4 4 ASP A 104 THR A 128 1 25 HELIX 5 5 VAL A 130 GLY A 155 1 26 HELIX 6 6 GLY A 155 ALA A 160 1 6 HELIX 7 7 GLU A 161 MET A 163 5 3 HELIX 8 8 ARG A 164 LEU A 190 1 27 HELIX 9 9 PRO A 200 ARG A 225 1 26 HELIX 10 10 SER A 226 PHE A 230 5 5 HELIX 11 11 GLU B 9 GLY B 33 1 25 HELIX 12 12 ASP B 36 LEU B 62 1 27 HELIX 13 13 TRP B 80 VAL B 101 1 22 HELIX 14 14 ASP B 104 THR B 128 1 25 HELIX 15 15 VAL B 130 GLU B 161 1 32 HELIX 16 16 ARG B 164 SER B 183 1 20 HELIX 17 17 ALA B 184 GLY B 192 1 9 HELIX 18 18 PRO B 200 ARG B 225 1 26 HELIX 19 19 SER B 226 PHE B 230 5 5 SHEET 1 A 2 LEU A 66 PHE A 71 0 SHEET 2 A 2 GLU A 74 TYR A 79 -1 O ASN A 76 N VAL A 69 SHEET 1 B 2 LEU B 66 PHE B 71 0 SHEET 2 B 2 GLU B 74 TYR B 79 -1 O ILE B 78 N THR B 67 LINK NZ LYS A 216 C15 RET A 301 1555 1555 1.33 LINK NZ LYS B 216 C15 RET B 301 1555 1555 1.32 SITE 1 AC1 9 TRP A 86 THR A 90 TRP A 138 SER A 141 SITE 2 AC1 9 THR A 142 TRP A 182 TYR A 185 PRO A 186 SITE 3 AC1 9 LYS A 216 SITE 1 AC2 13 TRP B 86 THR B 90 MET B 118 TRP B 138 SITE 2 AC2 13 SER B 141 THR B 142 MET B 145 TRP B 182 SITE 3 AC2 13 TYR B 185 PRO B 186 TRP B 189 ASP B 212 SITE 4 AC2 13 LYS B 216 CRYST1 45.781 116.463 57.083 90.00 112.55 90.00 P 1 21 1 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 0.021843 0.000000 0.009070 0.00000 SCALE2 0.000000 0.008586 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018969 0.00000