HEADER PROTON TRANSPORT 26-NOV-11 3UTV TITLE CRYSTAL STRUCTURE OF BACTERIORHODOPSIN MUTANT Y57F COMPND MOL_ID: 1; COMPND 2 MOLECULE: BACTERIORHODOPSIN; COMPND 3 CHAIN: A; 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 2 16-JUL-14 3UTV 1 JRNL REVDAT 1 09-MAY-12 3UTV 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. 2.06 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.06 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.07 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 17856 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) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.196 REMARK 3 FREE R VALUE : 0.210 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1560 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) : 2.06 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.12 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1249 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.21 REMARK 3 BIN R VALUE (WORKING SET) : 0.1950 REMARK 3 BIN FREE R VALUE SET COUNT : 109 REMARK 3 BIN FREE R VALUE : 0.2500 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1755 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 66 REMARK 3 SOLVENT ATOMS : 10 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) : -0.02000 REMARK 3 B22 (A**2) : -0.61000 REMARK 3 B33 (A**2) : 0.63000 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): 0.174 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.144 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.083 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.648 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.943 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.940 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1868 ; 0.025 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1246 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2542 ; 1.952 ; 2.003 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3038 ; 1.254 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 226 ; 5.403 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 58 ;32.312 ;22.069 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 284 ;14.986 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;19.695 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 295 ; 0.224 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1994 ; 0.009 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 409 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1124 ; 2.159 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 467 ; 0.823 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1802 ; 3.195 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 744 ; 4.864 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 740 ; 7.167 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 5 A 301 REMARK 3 ORIGIN FOR THE GROUP (A): -21.5147 -15.0865 3.2416 REMARK 3 T TENSOR REMARK 3 T11: 0.0531 T22: 0.0203 REMARK 3 T33: 0.0323 T12: 0.0099 REMARK 3 T13: 0.0041 T23: -0.0052 REMARK 3 L TENSOR REMARK 3 L11: 0.8209 L22: 0.9531 REMARK 3 L33: 0.3233 L12: -0.1918 REMARK 3 L13: 0.1319 L23: 0.0346 REMARK 3 S TENSOR REMARK 3 S11: 0.0189 S12: 0.0874 S13: -0.0447 REMARK 3 S21: -0.1147 S22: -0.0221 S23: 0.0112 REMARK 3 S31: 0.0800 S32: 0.0659 S33: 0.0032 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3UTV 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 RCSB ID CODE IS RCSB069201. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-APR-10 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) : 0.97938 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 : 19418 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.060 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 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) : 2.06 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.13 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.7 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 (%): 57.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.89 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 310K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 64.87150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 64.87150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 23.04000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 52.00450 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 23.04000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 52.00450 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 64.87150 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 23.04000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 52.00450 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 64.87150 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 23.04000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 52.00450 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5670 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19090 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -43.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 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 MC3 A 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3UTW RELATED DB: PDB REMARK 900 RELATED ID: 3UTX RELATED DB: PDB REMARK 900 RELATED ID: 3UTY RELATED DB: PDB DBREF 3UTV A 1 249 UNP P02945 BACR_HALSA 14 262 SEQADV 3UTV PHE A 57 UNP P02945 TYR 70 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 THR THR LEU VAL PRO ALA ILE SEQRES 5 A 249 ALA PHE THR MET PHE 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 HET RET A 301 20 HET MC3 A 302 46 HETNAM RET RETINAL HETNAM MC3 1,2-DIMYRISTOYL-RAC-GLYCERO-3-PHOSPHOCHOLINE FORMUL 2 RET C20 H28 O FORMUL 3 MC3 C36 H72 N O8 P FORMUL 4 HOH *10(H2 O) HELIX 1 1 GLU A 9 GLY A 33 1 25 HELIX 2 2 ASP A 36 LEU A 62 1 27 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 PHE A 154 1 25 HELIX 6 6 PHE A 154 GLU A 161 1 8 HELIX 7 7 ARG A 164 GLY A 192 1 29 HELIX 8 8 PRO A 200 ARG A 225 1 26 HELIX 9 9 SER A 226 PHE A 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 ILE A 78 N THR A 67 LINK NZ LYS A 216 C15 RET A 301 1555 1555 1.32 SITE 1 AC1 9 TRP A 86 THR A 90 SER A 141 TRP A 182 SITE 2 AC1 9 TYR A 185 TRP A 189 ASP A 212 ALA A 215 SITE 3 AC1 9 LYS A 216 SITE 1 AC2 8 SER A 132 TYR A 133 PHE A 135 VAL A 136 SITE 2 AC2 8 ALA A 143 TYR A 147 TYR A 150 LEU A 190 CRYST1 46.080 104.009 129.743 90.00 90.00 90.00 C 2 2 21 8 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 0.021701 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009615 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007708 0.00000