HEADER METAL TRANSPORT 22-MAY-23 8JH0 TITLE CRYSTAL STRUCTURE OF THE LIGHT-DRIVEN SODIUM PUMP IANAR COMPND MOL_ID: 1; COMPND 2 MOLECULE: XANTHORHODOPSIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: SODIUM PUMPING RHODOPSIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: INDIBACTER ALKALIPHILUS; SOURCE 3 ORGANISM_TAXID: 579922; SOURCE 4 GENE: A33Q_3728; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS LIGHT-DRIVEN SODIUM PUMP, MEMBRANE PROTEIN, METAL TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR T.HASHIMOTO,K.KATO,Y.TANAKA,M.YAO,T.KIKUKAWA REVDAT 3 06-DEC-23 8JH0 1 JRNL REVDAT 2 08-NOV-23 8JH0 1 JRNL REVDAT 1 01-NOV-23 8JH0 0 JRNL AUTH Y.SATO,T.HASHIMOTO,K.KATO,A.OKAMURA,K.HASEGAWA,T.SHINONE, JRNL AUTH 2 Y.TANAKA,Y.TANAKA,T.TSUKAZAKI,T.TSUKAMOTO,M.DEMURA,M.YAO, JRNL AUTH 3 T.KIKUKAWA JRNL TITL MULTISTEP CONFORMATIONAL CHANGES LEADING TO THE GATE OPENING JRNL TITL 2 OF LIGHT-DRIVEN SODIUM PUMP RHODOPSIN. JRNL REF J.BIOL.CHEM. V. 299 05393 2023 JRNL REFN ESSN 1083-351X JRNL PMID 37890784 JRNL DOI 10.1016/J.JBC.2023.105393 REMARK 2 REMARK 2 RESOLUTION. 2.79 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.19.2_4158) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.79 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 49.14 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 15194 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.245 REMARK 3 R VALUE (WORKING SET) : 0.243 REMARK 3 FREE R VALUE : 0.287 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 759 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 49.1400 - 4.7700 1.00 3082 139 0.2321 0.2489 REMARK 3 2 4.7700 - 3.7900 0.99 2939 150 0.2246 0.2765 REMARK 3 3 3.7900 - 3.3100 1.00 2895 182 0.2602 0.3064 REMARK 3 4 3.3100 - 3.0100 1.00 2872 163 0.2632 0.3429 REMARK 3 5 3.0100 - 2.7900 0.91 2647 125 0.2874 0.3401 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.380 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 29.560 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.004 4378 REMARK 3 ANGLE : 0.686 5957 REMARK 3 CHIRALITY : 0.041 677 REMARK 3 PLANARITY : 0.004 718 REMARK 3 DIHEDRAL : 18.021 1509 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8JH0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 23-MAY-23. REMARK 100 THE DEPOSITION ID IS D_1300037596. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-DEC-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.1 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL41XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15200 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.790 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.79 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.96 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.5 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX (1.19.2_4158) REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM NITRATE, SODIUM CITRATE, PEG REMARK 280 350 MME, PH 5.1, LIPIDIC CUBIC PHASE, TEMPERATURE 293K 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 33.71750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 61.93000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.88500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 61.93000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.71750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.88500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3750 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21180 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 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 MET A 1 REMARK 465 GLU A 2 REMARK 465 ASN A 3 REMARK 465 LEU A 4 REMARK 465 GLY A 5 REMARK 465 ASN A 6 REMARK 465 ALA A 7 REMARK 465 LYS A 270 REMARK 465 GLU A 271 REMARK 465 GLU A 272 REMARK 465 GLY A 273 REMARK 465 TYR A 274 REMARK 465 LEU A 275 REMARK 465 GLU A 276 REMARK 465 HIS A 277 REMARK 465 THR A 278 REMARK 465 THR A 279 REMARK 465 LEU A 280 REMARK 465 GLU A 281 REMARK 465 HIS A 282 REMARK 465 HIS A 283 REMARK 465 HIS A 284 REMARK 465 HIS A 285 REMARK 465 HIS A 286 REMARK 465 HIS A 287 REMARK 465 MET B 1 REMARK 465 GLU B 2 REMARK 465 ASN B 3 REMARK 465 LEU B 4 REMARK 465 GLY B 5 REMARK 465 GLU B 271 REMARK 465 GLU B 272 REMARK 465 GLY B 273 REMARK 465 TYR B 274 REMARK 465 LEU B 275 REMARK 465 GLU B 276 REMARK 465 HIS B 277 REMARK 465 THR B 278 REMARK 465 THR B 279 REMARK 465 LEU B 280 REMARK 465 GLU B 281 REMARK 465 HIS B 282 REMARK 465 HIS B 283 REMARK 465 HIS B 284 REMARK 465 HIS B 285 REMARK 465 HIS B 286 REMARK 465 HIS B 287 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 THR A 48 38.99 -99.85 REMARK 500 ASP A 162 88.57 -152.52 REMARK 500 HIS A 225 52.33 -118.32 REMARK 500 GLU A 230 53.15 -115.22 REMARK 500 PHE A 234 39.05 -80.84 REMARK 500 LYS A 254 -57.41 -123.34 REMARK 500 ALA B 7 133.96 -176.81 REMARK 500 THR B 161 -76.41 -104.28 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 408 DISTANCE = 6.44 ANGSTROMS DBREF 8JH0 A 1 279 UNP S2D3K4 S2D3K4_INDAL 1 279 DBREF 8JH0 B 1 279 UNP S2D3K4 S2D3K4_INDAL 1 279 SEQADV 8JH0 LEU A 280 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 GLU A 281 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS A 282 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS A 283 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS A 284 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS A 285 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS A 286 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS A 287 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 LEU B 280 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 GLU B 281 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS B 282 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS B 283 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS B 284 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS B 285 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS B 286 UNP S2D3K4 EXPRESSION TAG SEQADV 8JH0 HIS B 287 UNP S2D3K4 EXPRESSION TAG SEQRES 1 A 287 MET GLU ASN LEU GLY ASN ALA THR PHE GLU ASN TYR ILE SEQRES 2 A 287 GLY LEU GLN ASP GLY PHE ASN GLU MET ALA TYR GLN MET SEQRES 3 A 287 VAL ALA HIS VAL LEU THR LEU GLY TYR ALA VAL MET LEU SEQRES 4 A 287 ALA GLY LEU PHE TYR PHE VAL LEU THR ILE LYS THR VAL SEQRES 5 A 287 ALA PRO ARG PHE ARG THR SER SER VAL LEU SER VAL VAL SEQRES 6 A 287 VAL MET VAL SER ALA PHE LEU LEU LEU TYR VAL GLN ALA SEQRES 7 A 287 SER ASN TRP THR GLU SER PHE VAL PHE ASP THR GLU ARG SEQRES 8 A 287 GLY LYS TYR PHE LEU GLY GLU GLY ASN ASP LEU PHE ASN SEQRES 9 A 287 ASN GLY TYR ARG TYR LEU ASN TRP LEU ILE ASP VAL PRO SEQRES 10 A 287 MET LEU LEU PHE GLN ILE LEU PHE VAL VAL THR LEU THR SEQRES 11 A 287 LYS SER ASN PHE SER SER ILE ARG ASN GLN PHE TRP ILE SEQRES 12 A 287 SER GLY THR GLY MET ILE VAL THR GLY TYR ILE GLY GLN SEQRES 13 A 287 PHE TYR GLU VAL THR ASP LEU THR MET PHE ALA ILE TRP SEQRES 14 A 287 GLY ALA ILE SER THR VAL PHE PHE PHE HIS ILE LEU TRP SEQRES 15 A 287 LEU MET LYS LYS VAL ILE ASP GLU GLY LYS ASP GLY ILE SEQRES 16 A 287 PRO ALA LYS ALA GLN GLU THR LEU GLN SER ILE TRP VAL SEQRES 17 A 287 LEU PHE LEU VAL SER TRP MET LEU TYR PRO GLY ALA TYR SEQRES 18 A 287 LEU MET PRO HIS LEU ALA GLY ILE GLU GLY LEU PHE PHE SEQRES 19 A 287 SER GLU ILE GLY VAL VAL ALA ARG GLN ILE THR TYR THR SEQRES 20 A 287 ILE ALA ASP VAL SER SER LYS VAL ILE TYR GLY ILE LEU SEQRES 21 A 287 LEU THR ASN VAL ALA GLN VAL MET SER LYS GLU GLU GLY SEQRES 22 A 287 TYR LEU GLU HIS THR THR LEU GLU HIS HIS HIS HIS HIS SEQRES 23 A 287 HIS SEQRES 1 B 287 MET GLU ASN LEU GLY ASN ALA THR PHE GLU ASN TYR ILE SEQRES 2 B 287 GLY LEU GLN ASP GLY PHE ASN GLU MET ALA TYR GLN MET SEQRES 3 B 287 VAL ALA HIS VAL LEU THR LEU GLY TYR ALA VAL MET LEU SEQRES 4 B 287 ALA GLY LEU PHE TYR PHE VAL LEU THR ILE LYS THR VAL SEQRES 5 B 287 ALA PRO ARG PHE ARG THR SER SER VAL LEU SER VAL VAL SEQRES 6 B 287 VAL MET VAL SER ALA PHE LEU LEU LEU TYR VAL GLN ALA SEQRES 7 B 287 SER ASN TRP THR GLU SER PHE VAL PHE ASP THR GLU ARG SEQRES 8 B 287 GLY LYS TYR PHE LEU GLY GLU GLY ASN ASP LEU PHE ASN SEQRES 9 B 287 ASN GLY TYR ARG TYR LEU ASN TRP LEU ILE ASP VAL PRO SEQRES 10 B 287 MET LEU LEU PHE GLN ILE LEU PHE VAL VAL THR LEU THR SEQRES 11 B 287 LYS SER ASN PHE SER SER ILE ARG ASN GLN PHE TRP ILE SEQRES 12 B 287 SER GLY THR GLY MET ILE VAL THR GLY TYR ILE GLY GLN SEQRES 13 B 287 PHE TYR GLU VAL THR ASP LEU THR MET PHE ALA ILE TRP SEQRES 14 B 287 GLY ALA ILE SER THR VAL PHE PHE PHE HIS ILE LEU TRP SEQRES 15 B 287 LEU MET LYS LYS VAL ILE ASP GLU GLY LYS ASP GLY ILE SEQRES 16 B 287 PRO ALA LYS ALA GLN GLU THR LEU GLN SER ILE TRP VAL SEQRES 17 B 287 LEU PHE LEU VAL SER TRP MET LEU TYR PRO GLY ALA TYR SEQRES 18 B 287 LEU MET PRO HIS LEU ALA GLY ILE GLU GLY LEU PHE PHE SEQRES 19 B 287 SER GLU ILE GLY VAL VAL ALA ARG GLN ILE THR TYR THR SEQRES 20 B 287 ILE ALA ASP VAL SER SER LYS VAL ILE TYR GLY ILE LEU SEQRES 21 B 287 LEU THR ASN VAL ALA GLN VAL MET SER LYS GLU GLU GLY SEQRES 22 B 287 TYR LEU GLU HIS THR THR LEU GLU HIS HIS HIS HIS HIS SEQRES 23 B 287 HIS HET RET A 301 20 HET RET B 301 20 HETNAM RET RETINAL FORMUL 3 RET 2(C20 H28 O) FORMUL 5 HOH *20(H2 O) HELIX 1 AA1 THR A 8 ASP A 17 1 10 HELIX 2 AA2 ASN A 20 THR A 48 1 29 HELIX 3 AA3 ALA A 53 ARG A 55 5 3 HELIX 4 AA4 PHE A 56 SER A 84 1 29 HELIX 5 AA5 ASN A 105 VAL A 127 1 23 HELIX 6 AA6 ASN A 133 PHE A 157 1 25 HELIX 7 AA7 ASP A 162 ASP A 193 1 32 HELIX 8 AA8 PRO A 196 LEU A 222 1 27 HELIX 9 AA9 SER A 235 LYS A 254 1 20 HELIX 10 AB1 LYS A 254 MET A 268 1 15 HELIX 11 AB2 THR B 8 ASP B 17 1 10 HELIX 12 AB3 ASN B 20 ILE B 49 1 30 HELIX 13 AB4 LYS B 50 VAL B 52 5 3 HELIX 14 AB5 ALA B 53 ARG B 55 5 3 HELIX 15 AB6 PHE B 56 SER B 84 1 29 HELIX 16 AB7 ASP B 101 ASN B 104 5 4 HELIX 17 AB8 ASN B 105 VAL B 127 1 23 HELIX 18 AB9 ASN B 133 GLN B 156 1 24 HELIX 19 AC1 PHE B 157 GLU B 159 5 3 HELIX 20 AC2 ASP B 162 LYS B 192 1 31 HELIX 21 AC3 PRO B 196 LEU B 222 1 27 HELIX 22 AC4 LEU B 222 ALA B 227 1 6 HELIX 23 AC5 SER B 235 SER B 269 1 35 SHEET 1 AA1 2 PHE A 85 ASP A 88 0 SHEET 2 AA1 2 LYS A 93 LEU A 96 -1 O LYS A 93 N ASP A 88 SHEET 1 AA2 2 PHE B 85 ASP B 88 0 SHEET 2 AA2 2 LYS B 93 LEU B 96 -1 O PHE B 95 N VAL B 86 LINK NZ LYS A 254 C15 RET A 301 1555 1555 1.47 LINK NZ LYS B 254 C15 RET B 301 1555 1555 1.47 CRYST1 67.435 71.770 123.860 90.00 90.00 90.00 P 21 21 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 0.014829 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013933 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008074 0.00000