HEADER SIGNALING PROTEIN 07-APR-16 5G2A TITLE THE CRYSTAL STRUCTURE OF LIGHT-DRIVEN CHLORIDE PUMP CLR AT PH 6.0 WITH TITLE 2 BROMIDE ION. COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHLORIDE PUMPING RHODOPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CHLORIDE PUMP RHODOPSIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NONLABENS MARINUS S1-08; SOURCE 3 ORGANISM_TAXID: 1454201; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET21B KEYWDS SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR K.L.KIM,S.K.KWON,S.H.JUN,J.S.CHA,H.Y.KIM,J.H.KIM,H.S.CHO REVDAT 3 10-JAN-24 5G2A 1 REMARK LINK REVDAT 2 29-MAR-17 5G2A 1 REMARK REVDAT 1 19-OCT-16 5G2A 0 JRNL AUTH K.KIM,S.KWON,S.JUN,J.S.CHA,H.KIM,W.LEE,J.F.KIM,H.CHO JRNL TITL CRYSTAL STRUCTURE AND FUNCTIONAL CHARACTERIZATION OF A JRNL TITL 2 LIGHT-DRIVEN CHLORIDE PUMP HAVING AN NTQ MOTIF. JRNL REF NAT.COMMUN. V. 7 12677 2016 JRNL REFN ESSN 2041-1723 JRNL PMID 27554809 JRNL DOI 10.1038/NCOMMS12677 REMARK 2 REMARK 2 RESOLUTION. 2.17 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0135 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) : 2.17 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 65.13 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 16316 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) : 0.156 REMARK 3 R VALUE (WORKING SET) : 0.153 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 823 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) : 2.17 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1167 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.60 REMARK 3 BIN R VALUE (WORKING SET) : 0.1810 REMARK 3 BIN FREE R VALUE SET COUNT : 54 REMARK 3 BIN FREE R VALUE : 0.2870 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2072 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 59 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.39 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.24000 REMARK 3 B22 (A**2) : 3.99000 REMARK 3 B33 (A**2) : -2.69000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.47000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.167 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.113 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.802 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.929 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2145 ; 0.021 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): 2090 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2923 ; 1.830 ; 1.949 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4759 ; 1.126 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 263 ; 4.548 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 81 ;39.469 ;23.827 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 342 ;14.668 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 5 ;22.765 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 342 ; 0.126 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2403 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 528 ; 0.003 ; 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): 1055 ; 2.712 ; 2.633 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1054 ; 2.704 ; 2.630 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1317 ; 2.768 ; 3.939 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1090 ; 3.939 ; 3.080 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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): 4232 ; 4.393 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 25 ;19.155 ; 5.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 4217 ; 7.040 ; 5.000 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 : 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 5G2A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-APR-16. REMARK 100 THE DEPOSITION ID IS D_1290066651. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-NOV-15 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PAL/PLS REMARK 200 BEAMLINE : 5C (4A) REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9197 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17312 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.170 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 35.4500 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.17 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.90 REMARK 200 R MERGE FOR SHELL (I) : 0.22000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.260 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 3X3B REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 51.38700 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.42500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 51.38700 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 24.42500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 PRO A -2 REMARK 465 ASN A -1 REMARK 465 SER A 0 REMARK 465 MET A 1 REMARK 465 GLY A 266 REMARK 465 MET A 267 REMARK 465 ASP A 268 REMARK 465 SER A 269 REMARK 465 LYS A 270 REMARK 465 ALA A 271 REMARK 465 ALA A 272 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 2007 O HOH A 2008 1.44 REMARK 500 O HOH A 2007 O HOH A 2010 2.11 REMARK 500 NZ LYS A 235 C14 RET A 1268 2.15 REMARK 500 O HOH A 2054 O HOH A 2056 2.18 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 GLN A 86 -137.65 -98.91 REMARK 500 ASP A 149 81.53 -155.34 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 BR A 1266 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR A 1267 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RET A 1268 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5G28 RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF LIGHT-DRIVEN CHLORIDE PUMP CLR AT PH 6.0. REMARK 900 RELATED ID: 5G29 RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF LIGHT-DRIVEN CHLORIDE PUMP CLR AT PH 4.5. REMARK 900 RELATED ID: 5G2C RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF LIGHT-DRIVEN CHLORIDE PUMP CLR (T102D) REMARK 900 MUTANT AT PH 6.0. REMARK 900 RELATED ID: 5G2D RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF LIGHT-DRIVEN CHLORIDE PUMP CLR (T102N) REMARK 900 MUTANT AT PH 6.0. DBREF 5G2A A 1 272 UNP W8VZW3 W8VZW3_9FLAO 1 272 SEQADV 5G2A PRO A -2 UNP W8VZW3 EXPRESSION TAG SEQADV 5G2A ASN A -1 UNP W8VZW3 EXPRESSION TAG SEQADV 5G2A SER A 0 UNP W8VZW3 EXPRESSION TAG SEQRES 1 A 275 PRO ASN SER MET LYS ASN ILE GLU SER LEU PHE ASP TYR SEQRES 2 A 275 SER ALA GLY GLN PHE GLU PHE ILE ASP HIS LEU LEU THR SEQRES 3 A 275 MET GLY VAL GLY VAL HIS PHE ALA ALA LEU ILE PHE PHE SEQRES 4 A 275 LEU VAL VAL SER GLN PHE VAL ALA PRO LYS TYR ARG ILE SEQRES 5 A 275 ALA THR ALA LEU SER CYS ILE VAL MET VAL SER ALA GLY SEQRES 6 A 275 LEU ILE LEU ASN SER GLN ALA VAL MET TRP THR ASP ALA SEQRES 7 A 275 TYR ALA TYR VAL ASP GLY SER TYR GLN LEU GLN ASP LEU SEQRES 8 A 275 THR PHE SER ASN GLY TYR ARG TYR VAL ASN TRP MET ALA SEQRES 9 A 275 THR ILE PRO CYS LEU LEU LEU GLN LEU LEU ILE VAL LEU SEQRES 10 A 275 ASN LEU LYS GLY LYS GLU LEU PHE SER THR ALA THR TRP SEQRES 11 A 275 LEU ILE LEU ALA ALA TRP GLY MET ILE ILE THR GLY TYR SEQRES 12 A 275 VAL GLY GLN LEU TYR GLU VAL ASP ASP ILE ALA GLN LEU SEQRES 13 A 275 MET ILE TRP GLY ALA VAL SER THR ALA PHE PHE VAL VAL SEQRES 14 A 275 MET ASN TRP ILE VAL GLY THR LYS ILE PHE LYS ASN ARG SEQRES 15 A 275 ALA THR MET LEU GLY GLY THR ASP SER THR ILE THR LYS SEQRES 16 A 275 VAL PHE TRP LEU MET MET PHE ALA TRP THR LEU TYR PRO SEQRES 17 A 275 ILE ALA TYR LEU VAL PRO ALA PHE MET ASN ASN ALA ASP SEQRES 18 A 275 GLY VAL VAL LEU ARG GLN LEU LEU PHE THR ILE ALA ASP SEQRES 19 A 275 ILE SER SER LYS VAL ILE TYR GLY LEU MET ILE THR TYR SEQRES 20 A 275 ILE ALA ILE GLN GLN SER ALA ALA ALA GLY TYR VAL PRO SEQRES 21 A 275 ALA GLN GLN ALA LEU GLY ARG ILE GLY MET ASP SER LYS SEQRES 22 A 275 ALA ALA HET BR A1266 1 HET BR A1267 1 HET RET A1268 20 HETNAM BR BROMIDE ION HETNAM RET RETINAL FORMUL 2 BR 2(BR 1-) FORMUL 4 RET C20 H28 O FORMUL 5 HOH *59(H2 O) HELIX 1 1 ASN A 3 PHE A 8 5 6 HELIX 2 2 SER A 11 SER A 40 1 30 HELIX 3 3 GLN A 41 VAL A 43 5 3 HELIX 4 4 ALA A 44 LYS A 46 5 3 HELIX 5 5 TYR A 47 ALA A 75 1 29 HELIX 6 6 ASN A 92 LEU A 114 1 23 HELIX 7 7 LYS A 117 LEU A 144 1 28 HELIX 8 8 ASP A 149 ARG A 179 1 31 HELIX 9 9 ALA A 180 MET A 182 5 3 HELIX 10 10 GLY A 185 MET A 214 1 30 HELIX 11 11 ASN A 216 ALA A 253 1 38 HELIX 12 12 TYR A 255 ARG A 264 1 10 SHEET 1 AA 2 TYR A 76 VAL A 79 0 SHEET 2 AA 2 SER A 82 LEU A 85 -1 O SER A 82 N VAL A 79 LINK NZ LYS A 235 C15 RET A1268 1555 1555 1.08 SITE 1 AC1 4 ASN A 98 TRP A 99 THR A 102 LYS A 235 SITE 1 AC2 2 PRO A 45 LYS A 46 SITE 1 AC3 11 TRP A 99 ILE A 103 LEU A 106 MET A 135 SITE 2 AC3 11 SER A 160 PHE A 164 TRP A 201 TYR A 204 SITE 3 AC3 11 TYR A 208 SER A 234 LYS A 235 CRYST1 102.774 48.850 69.363 90.00 110.13 90.00 C 1 2 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 0.009730 0.000000 0.003566 0.00000 SCALE2 0.000000 0.020471 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015355 0.00000