HEADER MEMBRANE PROTEIN 04-SEP-24 9GO2 TITLE C1C2 CHANNELRHODOPSIN - SMX LIGHT ACTIVATED STRUCTURE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ARCHAEAL-TYPE OPSIN 1,ARCHAEAL-TYPE OPSIN 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CHANNELOPSIN-1,RETINAL BINDING PROTEIN,SENSORY OPSIN B; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CHLAMYDOMONAS REINHARDTII; SOURCE 3 ORGANISM_COMMON: CHLAMYDOMONAS SMITHII; SOURCE 4 ORGANISM_TAXID: 3055; SOURCE 5 GENE: ACOP1, COP4, ACOP2, CSOB, CHLRE_02G085257V5; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS CHANNELRHODOPSIN, LIGHT-ACTIVATED, MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.MULDER,T.WEINERT,P.SKOPINTSEV,S.BRUENLE,M.BROSER,P.HEGEMANN, AUTHOR 2 J.STANDFUSS REVDAT 1 29-JAN-25 9GO2 0 JRNL AUTH M.MULDER,S.HWANG,M.BROSER,S.BRUNLE,P.SKOPINTSEV, JRNL AUTH 2 C.SCHATTENBERG,C.SCHNICK,S.HARTMANN,J.CHURCH,I.SCHAPIRO, JRNL AUTH 3 F.DWORKOWSKI,T.WEINERT,P.HEGEMANN,H.SUN,J.STANDFUSS JRNL TITL STRUCTURAL INSIGHTS INTO THE OPENING MECHANISM OF C1C2 JRNL TITL 2 CHANNELRHODOPSIN. JRNL REF J.AM.CHEM.SOC. V. 147 1282 2025 JRNL REFN ESSN 1520-5126 JRNL PMID 39680650 JRNL DOI 10.1021/JACS.4C15402 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20_4459 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 70.85 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 62.9 REMARK 3 NUMBER OF REFLECTIONS : 7312 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.240 REMARK 3 R VALUE (WORKING SET) : 0.237 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.970 REMARK 3 FREE R VALUE TEST SET COUNT : 729 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 70.8500 - 4.6300 1.00 2189 244 0.2335 0.2509 REMARK 3 2 4.6200 - 3.6700 1.00 2087 233 0.2156 0.2555 REMARK 3 3 3.6700 - 3.2100 0.73 1503 168 0.2646 0.3061 REMARK 3 4 3.2100 - 2.9100 0.29 593 59 0.3188 0.4018 REMARK 3 5 2.9100 - 2.7000 0.10 211 25 0.4052 0.5518 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) : 0.258 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 35.109 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 58.23 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 4882 REMARK 3 ANGLE : 0.810 6608 REMARK 3 CHIRALITY : 0.049 739 REMARK 3 PLANARITY : 0.003 823 REMARK 3 DIHEDRAL : 15.748 1715 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 9GO2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-SEP-24. REMARK 100 THE DEPOSITION ID IS D_1292141216. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUL-19 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06SA 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 : SI-111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 4M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTFEL 0.10.2 REMARK 200 DATA SCALING SOFTWARE : CRYSTFEL 0.10.2 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7315 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 70.850 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 62.6 REMARK 200 DATA REDUNDANCY : 348.4 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.9800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.79 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 : 1.160 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX 1.20_4459 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM SODIUM CITRATE (PH 6.0), 30% REMARK 280 PEG500DME, 100 MM MGCL2, 100 MM NACL, AND 100 MM (NH4)2SO4., REMARK 280 LIPIDIC CUBIC PHASE, TEMPERATURE 293K 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 47.20000 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 47.20000 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 30.70000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 70.85000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 30.70000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 70.85000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 47.20000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 30.70000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 70.85000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 47.20000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 30.70000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 70.85000 REMARK 290 SMTRY3 8 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: 6260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -55.0 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 47.20000 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 SER A 331 REMARK 465 THR A 332 REMARK 465 GLY A 333 REMARK 465 SER A 334 REMARK 465 ASP A 335 REMARK 465 ALA A 336 REMARK 465 THR A 337 REMARK 465 VAL A 338 REMARK 465 PRO A 339 REMARK 465 VAL A 340 REMARK 465 ALA A 341 REMARK 465 THR A 342 REMARK 465 GLN A 343 REMARK 465 ASP A 344 REMARK 465 GLY A 345 REMARK 465 PRO A 346 REMARK 465 ASP A 347 REMARK 465 TYR A 348 REMARK 465 VAL A 349 REMARK 465 PHE A 350 REMARK 465 HIS A 351 REMARK 465 ARG A 352 REMARK 465 ALA A 353 REMARK 465 HIS A 354 REMARK 465 GLU A 355 REMARK 465 ARG A 356 REMARK 465 GLN A 419 REMARK 465 THR A 420 REMARK 465 TRP A 421 REMARK 465 LYS A 422 REMARK 465 SER A 423 REMARK 465 THR A 424 REMARK 465 ILE A 635 REMARK 465 GLY A 636 REMARK 465 GLY A 637 REMARK 465 LEU A 660 REMARK 465 TYR A 661 REMARK 465 PHE A 662 REMARK 465 GLN A 663 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 MET A 357 CG SD CE REMARK 470 CYS A 425 SG REMARK 470 LYS A 493 CG CD CE NZ REMARK 470 LYS A 551 CG CD CE NZ REMARK 470 ASN A 634 CG OD1 ND2 REMARK 470 THR A 638 OG1 CG2 REMARK 470 GLU A 639 CG CD OE1 OE2 REMARK 470 GLU A 649 CG CD OE1 OE2 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 CZ PHE A 583 O20 OLC A 701 1.98 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 HIS A 446 37.31 -142.60 REMARK 500 HIS A 446 37.02 -142.47 REMARK 500 VAL A 585 -55.57 -121.95 REMARK 500 LYS A 603 -75.95 -113.47 REMARK 500 LYS A 603 -71.33 -93.31 REMARK 500 ALA A 652 29.06 -155.26 REMARK 500 ALA A 652 27.56 -155.86 REMARK 500 SER A 657 113.84 -167.80 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 OLC A 702 REMARK 610 OLC A 703 REMARK 610 OLC A 704 REMARK 610 OLC A 705 REMARK 610 OLC A 706 REMARK 610 OLC A 707 REMARK 610 OLC A 708 REMARK 610 OLC A 709 DBREF 9GO2 A 331 552 UNP Q93WP2 Q93WP2_CHLRE 24 245 DBREF 9GO2 A 553 655 UNP Q8RUT8 Q8RUT8_CHLRE 207 309 SEQADV 9GO2 SER A 656 UNP Q8RUT8 EXPRESSION TAG SEQADV 9GO2 SER A 657 UNP Q8RUT8 EXPRESSION TAG SEQADV 9GO2 GLU A 658 UNP Q8RUT8 EXPRESSION TAG SEQADV 9GO2 ASP A 659 UNP Q8RUT8 EXPRESSION TAG SEQADV 9GO2 LEU A 660 UNP Q8RUT8 EXPRESSION TAG SEQADV 9GO2 TYR A 661 UNP Q8RUT8 EXPRESSION TAG SEQADV 9GO2 PHE A 662 UNP Q8RUT8 EXPRESSION TAG SEQADV 9GO2 GLN A 663 UNP Q8RUT8 EXPRESSION TAG SEQRES 1 A 333 SER THR GLY SER ASP ALA THR VAL PRO VAL ALA THR GLN SEQRES 2 A 333 ASP GLY PRO ASP TYR VAL PHE HIS ARG ALA HIS GLU ARG SEQRES 3 A 333 MET LEU PHE GLN THR SER TYR THR LEU GLU ASN ASN GLY SEQRES 4 A 333 SER VAL ILE CYS ILE PRO ASN ASN GLY GLN CYS PHE CYS SEQRES 5 A 333 LEU ALA TRP LEU LYS SER ASN GLY THR ASN ALA GLU LYS SEQRES 6 A 333 LEU ALA ALA ASN ILE LEU GLN TRP ILE THR PHE ALA LEU SEQRES 7 A 333 SER ALA LEU CYS LEU MET PHE TYR GLY TYR GLN THR TRP SEQRES 8 A 333 LYS SER THR CYS GLY TRP GLU GLU ILE TYR VAL ALA THR SEQRES 9 A 333 ILE GLU MET ILE LYS PHE ILE ILE GLU TYR PHE HIS GLU SEQRES 10 A 333 PHE ASP GLU PRO ALA VAL ILE TYR SER SER ASN GLY ASN SEQRES 11 A 333 LYS THR VAL TRP LEU ARG TYR ALA GLU TRP LEU LEU THR SEQRES 12 A 333 CYS PRO VAL ILE LEU ILE HIS LEU SER ASN LEU THR GLY SEQRES 13 A 333 LEU ALA ASN ASP TYR ASN LYS ARG THR MET GLY LEU LEU SEQRES 14 A 333 VAL SER ASP ILE GLY THR ILE VAL TRP GLY THR THR ALA SEQRES 15 A 333 ALA LEU SER LYS GLY TYR VAL ARG VAL ILE PHE PHE LEU SEQRES 16 A 333 MET GLY LEU CYS TYR GLY ILE TYR THR PHE PHE ASN ALA SEQRES 17 A 333 ALA LYS VAL TYR ILE GLU ALA TYR HIS THR VAL PRO LYS SEQRES 18 A 333 GLY ARG CYS ARG GLN VAL VAL THR GLY MET ALA TRP LEU SEQRES 19 A 333 PHE PHE VAL SER TRP GLY MET PHE PRO ILE LEU PHE ILE SEQRES 20 A 333 LEU GLY PRO GLU GLY PHE GLY VAL LEU SER VAL TYR GLY SEQRES 21 A 333 SER THR VAL GLY HIS THR ILE ILE ASP LEU MET SER LYS SEQRES 22 A 333 ASN CYS TRP GLY LEU LEU GLY HIS TYR LEU ARG VAL LEU SEQRES 23 A 333 ILE HIS GLU HIS ILE LEU ILE HIS GLY ASP ILE ARG LYS SEQRES 24 A 333 THR THR LYS LEU ASN ILE GLY GLY THR GLU ILE GLU VAL SEQRES 25 A 333 GLU THR LEU VAL GLU ASP GLU ALA GLU ALA GLY ALA VAL SEQRES 26 A 333 SER SER GLU ASP LEU TYR PHE GLN HET OLC A 701 25 HET OLC A 702 16 HET OLC A 703 14 HET OLC A 704 16 HET OLC A 705 18 HET OLC A 706 10 HET OLC A 707 10 HET OLC A 708 9 HET OLC A 709 8 HET RET A 710 40 HETNAM OLC (2R)-2,3-DIHYDROXYPROPYL (9Z)-OCTADEC-9-ENOATE HETNAM RET RETINAL HETSYN OLC 1-OLEOYL-R-GLYCEROL FORMUL 2 OLC 9(C21 H40 O4) FORMUL 11 RET C20 H28 O FORMUL 12 HOH *7(H2 O) HELIX 1 AA1 LEU A 383 LYS A 387 5 5 HELIX 2 AA2 THR A 391 GLY A 417 1 27 HELIX 3 AA3 GLY A 426 GLU A 447 1 22 HELIX 4 AA4 VAL A 463 SER A 482 1 20 HELIX 5 AA5 ASN A 492 SER A 515 1 24 HELIX 6 AA6 LYS A 516 VAL A 549 1 34 HELIX 7 AA7 GLY A 552 GLY A 579 1 28 HELIX 8 AA8 SER A 587 LYS A 603 1 17 HELIX 9 AA9 LYS A 603 GLY A 625 1 23 SHEET 1 AA1 2 THR A 364 GLU A 366 0 SHEET 2 AA1 2 VAL A 371 CYS A 373 -1 O VAL A 371 N GLU A 366 SHEET 1 AA2 2 ILE A 454 TYR A 455 0 SHEET 2 AA2 2 LYS A 461 THR A 462 -1 O THR A 462 N ILE A 454 SHEET 1 AA3 3 ILE A 640 VAL A 646 0 SHEET 2 AA3 3 ILE A 627 ASN A 634 -1 N LEU A 633 O ILE A 640 SHEET 3 AA3 3 ALA A 654 GLU A 658 1 O VAL A 655 N THR A 630 SSBOND 1 CYS A 373 CYS A 373 1555 3555 2.05 SSBOND 2 CYS A 380 CYS A 382 1555 3555 2.03 LINK NZ ALYS A 603 C15ARET A 710 1555 1555 1.33 LINK NZ BLYS A 603 C15BRET A 710 1555 1555 1.34 CISPEP 1 GLU A 450 PRO A 451 0 4.02 CISPEP 2 GLU A 450 PRO A 451 0 3.83 CRYST1 61.400 141.700 94.400 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 0.016287 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007057 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010593 0.00000