HEADER MEMBRANE PROTEIN 10-OCT-24 9JWS TITLE HALOQUADRATUM WALSBYI MIDDLE RHODOPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: BACTERIORHODOPSIN-II-LIKE PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HALOQUADRATUM WALSBYI DSM 16790; SOURCE 3 ORGANISM_TAXID: 362976; SOURCE 4 GENE: BOP2; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MIDDLE RHODOPSIN, PHOTORECEPTOR, MAGNESIUM-ASSOCIATED PROTEIN, KEYWDS 2 MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR L.N.KO,G.Z.LIM,T.KO,C.S.YANG,G.Y.LI,J.C.CHEN REVDAT 2 28-MAY-25 9JWS 1 JRNL REVDAT 1 21-MAY-25 9JWS 0 SPRSDE 21-MAY-25 9JWS 8WEW JRNL AUTH L.N.KO,G.Z.LIM,J.C.CHEN,T.KO,G.Y.LI,C.S.YANG JRNL TITL RHODOPSIN FROM HALOQUADRATUM WALSBYI IS A LIGHT-DRIVEN JRNL TITL 2 MAGNESIUM TRANSPORTER. JRNL REF NAT COMMUN V. 16 4472 2025 JRNL REFN ESSN 2041-1723 JRNL PMID 40368960 JRNL DOI 10.1038/S41467-025-59795-Y REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.20.1_4487: ???) 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.81 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 78.4 REMARK 3 NUMBER OF REFLECTIONS : 13229 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.299 REMARK 3 R VALUE (WORKING SET) : 0.296 REMARK 3 FREE R VALUE : 0.324 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.170 REMARK 3 FREE R VALUE TEST SET COUNT : 1346 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 43.8100 - 5.3900 0.83 1364 145 0.2777 0.3052 REMARK 3 2 5.3800 - 4.2700 0.81 1256 144 0.3110 0.3472 REMARK 3 3 4.2700 - 3.7300 0.86 1324 143 0.2813 0.3064 REMARK 3 4 3.7300 - 3.3900 0.84 1270 141 0.2996 0.3216 REMARK 3 5 3.3900 - 3.1500 0.81 1212 147 0.2948 0.3437 REMARK 3 6 3.1500 - 2.9600 0.76 1145 127 0.2887 0.2935 REMARK 3 7 2.9600 - 2.8200 0.73 1093 128 0.2883 0.3064 REMARK 3 8 2.8200 - 2.6900 0.73 1078 131 0.3022 0.3295 REMARK 3 9 2.6900 - 2.5900 0.74 1093 122 0.3128 0.3542 REMARK 3 10 2.5900 - 2.5000 0.71 1048 118 0.3291 0.3565 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.300 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 36.490 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 : 0.003 NULL REMARK 3 ANGLE : 0.723 NULL REMARK 3 CHIRALITY : 0.038 577 REMARK 3 PLANARITY : 0.010 572 REMARK 3 DIHEDRAL : 9.532 494 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 9JWS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-OCT-24. REMARK 100 THE DEPOSITION ID IS D_1300052438. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-APR-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : TPS 07A 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 EIGER2 X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14429 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 43.810 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.2 REMARK 200 DATA REDUNDANCY : 14.10 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.6400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.64 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 200MM LITHIUM SULFATE, 100MM REMARK 280 IMIDAZOLE, 30% PEG400, PH 5.5, LIPIDIC CUBIC PHASE, TEMPERATURE REMARK 280 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 30.73000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 61.17500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.23500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 61.17500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 30.73000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.23500 REMARK 290 SMTRY3 4 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 900 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10590 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 960 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10680 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL 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 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 ALA A 2 REMARK 465 THR A 3 REMARK 465 PRO A 4 REMARK 465 GLY A 5 REMARK 465 MET A 67 REMARK 465 PRO A 68 REMARK 465 ILE A 69 REMARK 465 ARG A 70 REMARK 465 GLY A 71 REMARK 465 THR A 72 REMARK 465 GLU A 73 REMARK 465 VAL A 74 REMARK 465 ILE A 75 REMARK 465 SER A 235 REMARK 465 HIS A 236 REMARK 465 PRO A 237 REMARK 465 SER A 238 REMARK 465 SER A 239 REMARK 465 THR A 240 REMARK 465 ASN A 241 REMARK 465 ASP A 242 REMARK 465 ILE A 243 REMARK 465 LYS A 244 REMARK 465 SER A 245 REMARK 465 HIS A 246 REMARK 465 HIS A 247 REMARK 465 HIS A 248 REMARK 465 HIS A 249 REMARK 465 HIS A 250 REMARK 465 HIS A 251 REMARK 465 HIS A 252 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 THR B 3 REMARK 465 PRO B 4 REMARK 465 GLY B 5 REMARK 465 MET B 67 REMARK 465 PRO B 68 REMARK 465 ILE B 69 REMARK 465 ARG B 70 REMARK 465 GLY B 71 REMARK 465 THR B 72 REMARK 465 GLU B 73 REMARK 465 VAL B 74 REMARK 465 ILE B 75 REMARK 465 SER B 238 REMARK 465 SER B 239 REMARK 465 THR B 240 REMARK 465 ASN B 241 REMARK 465 ASP B 242 REMARK 465 ILE B 243 REMARK 465 LYS B 244 REMARK 465 SER B 245 REMARK 465 HIS B 246 REMARK 465 HIS B 247 REMARK 465 HIS B 248 REMARK 465 HIS B 249 REMARK 465 HIS B 250 REMARK 465 HIS B 251 REMARK 465 HIS B 252 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 OH TYR B 185 MG MG B 303 1.44 REMARK 500 OG1 THR B 216 MG MG B 303 1.55 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 163 0.23 SIDE CHAIN REMARK 500 ARG B 134 0.26 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL 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 MG A 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 84 OD2 REMARK 620 2 ASP A 213 OD1 160.4 REMARK 620 3 ASP A 213 OD2 108.7 56.4 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 303 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 185 OH REMARK 620 2 THR A 216 OG1 125.0 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 84 OD2 REMARK 620 2 ASP B 213 OD1 164.6 REMARK 620 3 ASP B 213 OD2 114.3 50.6 REMARK 620 N 1 2 DBREF 9JWS A 1 246 UNP Q18DH5 BACRM_HALWD 1 246 DBREF 9JWS B 1 246 UNP Q18DH5 BACRM_HALWD 1 246 SEQADV 9JWS HIS A 247 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS A 248 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS A 249 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS A 250 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS A 251 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS A 252 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS B 247 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS B 248 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS B 249 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS B 250 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS B 251 UNP Q18DH5 EXPRESSION TAG SEQADV 9JWS HIS B 252 UNP Q18DH5 EXPRESSION TAG SEQRES 1 A 252 MET ALA THR PRO GLY SER GLU ALA THR TRP LEU TRP ILE SEQRES 2 A 252 GLY THR ILE GLY MET VAL LEU GLY THR VAL TYR PHE ALA SEQRES 3 A 252 VAL ARG GLY ARG GLY SER THR ASP PRO GLU GLN GLN THR SEQRES 4 A 252 TYR TYR ILE ILE THR THR LEU ILE PRO ALA ILE ALA ALA SEQRES 5 A 252 ALA ALA TYR LEU ALA MET ALA THR GLY LEU GLY VAL ILE SEQRES 6 A 252 SER MET PRO ILE ARG GLY THR GLU VAL ILE ASP ILE TYR SEQRES 7 A 252 TRP ALA ARG TYR ALA ASP TRP LEU LEU THR THR PRO LEU SEQRES 8 A 252 LEU ILE ILE ASP LEU ALA LEU VAL ALA GLY ALA ARG LYS SEQRES 9 A 252 GLN THR LEU TYR LYS LEU ILE ILE ILE ASP ALA ILE MET SEQRES 10 A 252 ILE LEU GLY GLY LEU ALA GLY SER MET MET GLN GLN GLY SEQRES 11 A 252 ALA VAL ILE ARG ILE VAL TRP TRP ALA VAL SER THR ALA SEQRES 12 A 252 ALA PHE ILE ILE LEU LEU TYR TYR LEU LEU GLY GLU LEU SEQRES 13 A 252 SER GLU ARG ALA ARG SER ARG SER ALA GLU THR GLY ILE SEQRES 14 A 252 VAL PHE ASN ARG LEU ARG ASN ILE THR LEU GLY LEU TRP SEQRES 15 A 252 ALA LEU TYR PRO ILE VAL TRP ILE LEU GLY THR GLY GLY SEQRES 16 A 252 GLY PHE GLY ILE ILE ALA VAL THR THR GLU ILE MET LEU SEQRES 17 A 252 TYR VAL MET LEU ASP ILE GLY THR LYS ILE GLY PHE GLY SEQRES 18 A 252 ALA VAL LEU LEU GLU SER GLN ASP VAL LEU GLN ALA ALA SEQRES 19 A 252 SER HIS PRO SER SER THR ASN ASP ILE LYS SER HIS HIS SEQRES 20 A 252 HIS HIS HIS HIS HIS SEQRES 1 B 252 MET ALA THR PRO GLY SER GLU ALA THR TRP LEU TRP ILE SEQRES 2 B 252 GLY THR ILE GLY MET VAL LEU GLY THR VAL TYR PHE ALA SEQRES 3 B 252 VAL ARG GLY ARG GLY SER THR ASP PRO GLU GLN GLN THR SEQRES 4 B 252 TYR TYR ILE ILE THR THR LEU ILE PRO ALA ILE ALA ALA SEQRES 5 B 252 ALA ALA TYR LEU ALA MET ALA THR GLY LEU GLY VAL ILE SEQRES 6 B 252 SER MET PRO ILE ARG GLY THR GLU VAL ILE ASP ILE TYR SEQRES 7 B 252 TRP ALA ARG TYR ALA ASP TRP LEU LEU THR THR PRO LEU SEQRES 8 B 252 LEU ILE ILE ASP LEU ALA LEU VAL ALA GLY ALA ARG LYS SEQRES 9 B 252 GLN THR LEU TYR LYS LEU ILE ILE ILE ASP ALA ILE MET SEQRES 10 B 252 ILE LEU GLY GLY LEU ALA GLY SER MET MET GLN GLN GLY SEQRES 11 B 252 ALA VAL ILE ARG ILE VAL TRP TRP ALA VAL SER THR ALA SEQRES 12 B 252 ALA PHE ILE ILE LEU LEU TYR TYR LEU LEU GLY GLU LEU SEQRES 13 B 252 SER GLU ARG ALA ARG SER ARG SER ALA GLU THR GLY ILE SEQRES 14 B 252 VAL PHE ASN ARG LEU ARG ASN ILE THR LEU GLY LEU TRP SEQRES 15 B 252 ALA LEU TYR PRO ILE VAL TRP ILE LEU GLY THR GLY GLY SEQRES 16 B 252 GLY PHE GLY ILE ILE ALA VAL THR THR GLU ILE MET LEU SEQRES 17 B 252 TYR VAL MET LEU ASP ILE GLY THR LYS ILE GLY PHE GLY SEQRES 18 B 252 ALA VAL LEU LEU GLU SER GLN ASP VAL LEU GLN ALA ALA SEQRES 19 B 252 SER HIS PRO SER SER THR ASN ASP ILE LYS SER HIS HIS SEQRES 20 B 252 HIS HIS HIS HIS HIS HET RET A 301 20 HET MG A 302 1 HET MG A 303 1 HET RET B 301 20 HET MG B 302 1 HET MG B 303 1 HETNAM RET RETINAL HETNAM MG MAGNESIUM ION FORMUL 3 RET 2(C20 H28 O) FORMUL 4 MG 4(MG 2+) FORMUL 9 HOH *12(H2 O) HELIX 1 AA1 GLU A 7 ARG A 30 1 24 HELIX 2 AA2 ASP A 34 THR A 60 1 27 HELIX 3 AA3 TRP A 79 GLY A 101 1 23 HELIX 4 AA4 ARG A 103 MET A 127 1 25 HELIX 5 AA5 ALA A 131 GLY A 154 1 24 HELIX 6 AA6 GLY A 154 SER A 164 1 11 HELIX 7 AA7 SER A 164 ALA A 183 1 20 HELIX 8 AA8 LEU A 184 GLY A 192 1 9 HELIX 9 AA9 ALA A 201 SER A 227 1 27 HELIX 10 AB1 SER A 227 ALA A 233 1 7 HELIX 11 AB2 GLU B 7 ARG B 30 1 24 HELIX 12 AB3 ASP B 34 THR B 60 1 27 HELIX 13 AB4 TRP B 79 GLY B 101 1 23 HELIX 14 AB5 ARG B 103 MET B 127 1 25 HELIX 15 AB6 ALA B 131 GLY B 154 1 24 HELIX 16 AB7 GLY B 154 SER B 164 1 11 HELIX 17 AB8 SER B 164 ALA B 183 1 20 HELIX 18 AB9 LEU B 184 GLY B 192 1 9 HELIX 19 AC1 ALA B 201 SER B 227 1 27 HELIX 20 AC2 SER B 227 ALA B 234 1 8 SHEET 1 AA1 2 VAL A 64 ILE A 65 0 SHEET 2 AA1 2 ILE A 77 TYR A 78 -1 O ILE A 77 N ILE A 65 SHEET 1 AA2 2 VAL B 64 ILE B 65 0 SHEET 2 AA2 2 ILE B 77 TYR B 78 -1 O ILE B 77 N ILE B 65 LINK NZ LYS A 217 C15 RET A 301 1555 1555 1.27 LINK NZ LYS B 217 C15 RET B 301 1555 1555 1.28 LINK OD2 ASP A 84 MG MG A 302 1555 1555 2.88 LINK OH TYR A 185 MG MG A 303 1555 1555 1.84 LINK OD1 ASP A 213 MG MG A 302 1555 1555 2.31 LINK OD2 ASP A 213 MG MG A 302 1555 1555 2.35 LINK OG1 THR A 216 MG MG A 303 1555 1555 2.06 LINK OD2 ASP B 84 MG MG B 302 1555 1555 2.70 LINK O LEU B 212 MG MG B 303 1555 1555 2.66 LINK OD1 ASP B 213 MG MG B 302 1555 1555 2.24 LINK OD2 ASP B 213 MG MG B 302 1555 1555 2.77 CRYST1 61.460 62.470 122.350 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 0.016271 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016008 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008173 0.00000 TER 1688 ALA A 234 TER 3399 PRO B 237 HETATM 3400 C1 RET A 301 -9.175 5.477 4.276 1.00 25.26 C HETATM 3401 C2 RET A 301 -8.532 4.715 5.451 1.00 20.47 C HETATM 3402 C3 RET A 301 -7.021 4.829 5.549 1.00 26.28 C HETATM 3403 C4 RET A 301 -6.379 4.414 4.244 1.00 23.82 C HETATM 3404 C5 RET A 301 -7.008 5.044 3.039 1.00 24.43 C HETATM 3405 C6 RET A 301 -8.270 5.508 3.034 1.00 16.76 C HETATM 3406 C7 RET A 301 -8.861 5.990 1.798 1.00 19.29 C HETATM 3407 C8 RET A 301 -9.784 6.940 1.538 1.00 24.68 C HETATM 3408 C9 RET A 301 -10.261 7.342 0.228 1.00 22.84 C HETATM 3409 C10 RET A 301 -11.549 7.732 0.074 1.00 22.27 C HETATM 3410 C11 RET A 301 -12.185 8.177 -1.135 1.00 27.35 C HETATM 3411 C12 RET A 301 -13.059 9.190 -1.191 1.00 27.74 C HETATM 3412 C13 RET A 301 -13.717 9.703 -2.379 1.00 24.53 C HETATM 3413 C14 RET A 301 -15.066 9.802 -2.406 1.00 24.01 C HETATM 3414 C15 RET A 301 -15.888 10.284 -3.486 1.00 28.96 C HETATM 3415 C16 RET A 301 -9.454 6.901 4.775 1.00 27.47 C HETATM 3416 C17 RET A 301 -10.511 4.795 3.955 1.00 15.16 C HETATM 3417 C18 RET A 301 -6.044 5.214 1.897 1.00 25.73 C HETATM 3418 C19 RET A 301 -9.278 7.323 -0.909 1.00 21.36 C HETATM 3419 C20 RET A 301 -12.850 10.112 -3.536 1.00 15.56 C HETATM 3420 MG MG A 302 -17.360 11.435 -0.566 1.00 28.21 MG HETATM 3421 MG MG A 303 -12.856 12.732 -2.664 1.00 23.59 MG HETATM 3422 C1 RET B 301 -40.761 -5.565 4.068 1.00 22.06 C HETATM 3423 C2 RET B 301 -41.336 -4.874 5.308 1.00 24.64 C HETATM 3424 C3 RET B 301 -42.808 -4.956 5.445 1.00 23.58 C HETATM 3425 C4 RET B 301 -43.520 -4.509 4.181 1.00 18.22 C HETATM 3426 C5 RET B 301 -42.964 -5.145 2.944 1.00 20.85 C HETATM 3427 C6 RET B 301 -41.754 -5.736 2.928 1.00 17.78 C HETATM 3428 C7 RET B 301 -41.380 -6.592 1.835 1.00 18.17 C HETATM 3429 C8 RET B 301 -40.400 -6.366 0.920 1.00 23.31 C HETATM 3430 C9 RET B 301 -39.994 -7.207 -0.097 1.00 15.12 C HETATM 3431 C10 RET B 301 -38.685 -7.683 -0.214 1.00 12.37 C HETATM 3432 C11 RET B 301 -38.164 -8.460 -1.223 1.00 21.92 C HETATM 3433 C12 RET B 301 -36.904 -8.993 -1.374 1.00 18.15 C HETATM 3434 C13 RET B 301 -36.410 -9.724 -2.459 1.00 15.17 C HETATM 3435 C14 RET B 301 -35.095 -10.135 -2.576 1.00 16.46 C HETATM 3436 C15 RET B 301 -34.497 -10.427 -3.835 1.00 22.08 C HETATM 3437 C16 RET B 301 -39.566 -4.710 3.618 1.00 17.88 C HETATM 3438 C17 RET B 301 -40.226 -6.941 4.493 1.00 18.05 C HETATM 3439 C18 RET B 301 -43.905 -5.084 1.774 1.00 22.39 C HETATM 3440 C19 RET B 301 -40.964 -7.635 -1.125 1.00 14.50 C HETATM 3441 C20 RET B 301 -37.364 -10.049 -3.535 1.00 18.29 C HETATM 3442 MG MG B 302 -32.796 -11.189 -0.607 1.00 23.87 MG HETATM 3443 MG MG B 303 -36.387 -13.363 -2.790 1.00 28.07 MG HETATM 3444 O HOH A 401 -10.512 -8.215 -21.628 1.00 37.33 O HETATM 3445 O HOH A 402 -29.348 19.174 11.434 1.00 21.37 O HETATM 3446 O HOH A 403 0.319 0.204 -13.939 1.00 19.50 O HETATM 3447 O HOH A 404 -30.113 11.214 -23.591 1.00 49.12 O HETATM 3448 O HOH A 405 -34.377 12.416 12.914 1.00 26.29 O HETATM 3449 O HOH A 406 -18.298 -3.005 -4.679 1.00 16.70 O HETATM 3450 O HOH A 407 3.430 -1.744 -17.180 1.00 30.82 O HETATM 3451 O HOH B 401 -45.891 -4.270 -31.979 1.00 43.28 O HETATM 3452 O HOH B 402 -14.693 -12.358 11.061 1.00 20.06 O HETATM 3453 O HOH B 403 -15.521 -11.334 13.415 1.00 32.91 O HETATM 3454 O HOH B 404 -45.096 -18.755 -8.055 1.00 21.70 O HETATM 3455 O HOH B 405 -26.289 -26.283 17.092 1.00 40.86 O CONECT 537 3420 CONECT 1330 3421 CONECT 1537 3420 CONECT 1538 3420 CONECT 1556 3421 CONECT 1566 3414 CONECT 2225 3442 CONECT 3214 3443 CONECT 3225 3442 CONECT 3226 3442 CONECT 3254 3436 CONECT 3400 3401 3405 3415 3416 CONECT 3401 3400 3402 CONECT 3402 3401 3403 CONECT 3403 3402 3404 CONECT 3404 3403 3405 3417 CONECT 3405 3400 3404 3406 CONECT 3406 3405 3407 CONECT 3407 3406 3408 CONECT 3408 3407 3409 3418 CONECT 3409 3408 3410 CONECT 3410 3409 3411 CONECT 3411 3410 3412 CONECT 3412 3411 3413 3419 CONECT 3413 3412 3414 CONECT 3414 1566 3413 CONECT 3415 3400 CONECT 3416 3400 CONECT 3417 3404 CONECT 3418 3408 CONECT 3419 3412 CONECT 3420 537 1537 1538 CONECT 3421 1330 1556 CONECT 3422 3423 3427 3437 3438 CONECT 3423 3422 3424 CONECT 3424 3423 3425 CONECT 3425 3424 3426 CONECT 3426 3425 3427 3439 CONECT 3427 3422 3426 3428 CONECT 3428 3427 3429 CONECT 3429 3428 3430 CONECT 3430 3429 3431 3440 CONECT 3431 3430 3432 CONECT 3432 3431 3433 CONECT 3433 3432 3434 CONECT 3434 3433 3435 3441 CONECT 3435 3434 3436 CONECT 3436 3254 3435 CONECT 3437 3422 CONECT 3438 3422 CONECT 3439 3426 CONECT 3440 3430 CONECT 3441 3434 CONECT 3442 2225 3225 3226 CONECT 3443 3214 MASTER 337 0 6 20 4 0 0 6 3453 2 55 40 END