HEADER MEMBRANE PROTEIN 11-FEB-15 5AHY TITLE HALORHODOPSIN FROM HALOBACTERIUM SALINARUM IN A NEW RHOMBOHEDRAL TITLE 2 CRYSTAL FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: HALORHODOPSIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 20-274; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: IMINE BOND (SCHIFF BASE) BETWEEN NZ OF LYS242 AND C15 COMPND 7 OF THE RETINAL LIGAND SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HALOBACTERIUM SALINARUM; SOURCE 3 ORGANISM_TAXID: 2242; SOURCE 4 STRAIN: L33; SOURCE 5 EXPRESSION_SYSTEM: HALOBACTERIUM SALINARUM; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 2242; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: L33 KEYWDS MEMBRANE PROTEIN, TRANSPORT PROTEIN, HALOPHILIC ARCHAEA, ARCHAEAL KEYWDS 2 RHODOPSIN, LIGHT DRIVEN ION PUMP, RETINAL PROTEIN, ION TRANSMEMBRANE KEYWDS 3 TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR M.SCHREINER,R.SCHLESINGER,J.HEBERLE,H.H.NIEMANN REVDAT 7 10-JAN-24 5AHY 1 HETSYN REVDAT 6 29-JUL-20 5AHY 1 COMPND REMARK HETNAM SITE REVDAT 5 25-SEP-19 5AHY 1 REMARK REVDAT 4 08-MAY-19 5AHY 1 REMARK LINK REVDAT 3 17-JUN-15 5AHY 1 JRNL REVDAT 2 13-MAY-15 5AHY 1 JRNL REVDAT 1 22-APR-15 5AHY 0 JRNL AUTH M.SCHREINER,R.SCHLESINGER,J.HEBERLE,H.H.NIEMANN JRNL TITL STRUCTURE OF HALORHODOPSIN FROM HALOBACTERIUM SALINARUM IN A JRNL TITL 2 NEW CRYSTAL FORM THAT IMPOSES LITTLE RESTRAINT ON THE E-F JRNL TITL 3 LOOP. JRNL REF J.STRUCT.BIOL. V. 190 373 2015 JRNL REFN ISSN 1047-8477 JRNL PMID 25916754 JRNL DOI 10.1016/J.JSB.2015.04.010 REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) 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) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.70 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 15804 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 796 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 42.7073 - 3.9060 1.00 2594 136 0.1916 0.2180 REMARK 3 2 3.9060 - 3.1006 1.00 2524 126 0.1788 0.1925 REMARK 3 3 3.1006 - 2.7087 1.00 2471 138 0.1667 0.2365 REMARK 3 4 2.7087 - 2.4611 1.00 2493 119 0.1798 0.2517 REMARK 3 5 2.4611 - 2.2847 1.00 2477 130 0.1914 0.2744 REMARK 3 6 2.2847 - 2.1500 1.00 2449 147 0.2114 0.2619 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) : 0.220 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.600 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.72 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.40 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 : 0.008 1942 REMARK 3 ANGLE : 1.071 2667 REMARK 3 CHIRALITY : 0.041 332 REMARK 3 PLANARITY : 0.005 318 REMARK 3 DIHEDRAL : 12.599 656 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 5AHY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-FEB-15. REMARK 100 THE DEPOSITION ID IS D_1290062976. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JUL-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8726 REMARK 200 MONOCHROMATOR : CRYSTAL SI (111) REMARK 200 OPTICS : PT COATED SI MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15809 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 42.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : 0.09000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.23 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 4.40 REMARK 200 R MERGE FOR SHELL (I) : 0.76000 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: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 1E12 REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.78 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: RESERVOIR SOLUTION: 100 MM CITRATE PH REMARK 280 8, 150 MM NACL, 2.1-2.4 M (NH4)2SO4. VAPOR DIFFUSION AT 296 K REMARK 280 WITH DROP RATIO OF 1.2 TO 0.8 UL PROTEIN TO RESERVOIR. PROTEIN REMARK 280 CONCENTRATION 6 MG/ML. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 51.82550 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 29.92147 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 46.19600 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 51.82550 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 29.92147 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 46.19600 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 51.82550 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 29.92147 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 46.19600 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 51.82550 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 29.92147 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 46.19600 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 51.82550 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 29.92147 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 46.19600 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 51.82550 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 29.92147 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 46.19600 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 59.84293 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 92.39200 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 59.84293 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 92.39200 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 59.84293 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 92.39200 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 59.84293 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 92.39200 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 59.84293 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 92.39200 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 59.84293 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 92.39200 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8250 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 27390 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -149.1 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 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 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 VAL A 262 REMARK 465 ALA A 263 REMARK 465 GLY A 264 REMARK 465 GLN A 265 REMARK 465 THR A 266 REMARK 465 LEU A 267 REMARK 465 GLY A 268 REMARK 465 THR A 269 REMARK 465 MET A 270 REMARK 465 SER A 271 REMARK 465 SER A 272 REMARK 465 ASP A 273 REMARK 465 ASP A 274 REMARK 465 HIS A 275 REMARK 465 HIS A 276 REMARK 465 HIS A 277 REMARK 465 HIS A 278 REMARK 465 HIS A 279 REMARK 465 HIS A 280 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 PRO A 56 152.53 -45.39 REMARK 500 THR A 181 -87.23 -118.21 REMARK 500 LYS A 242 -65.79 -107.06 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 RETINAL (RET): C15 COVALENTLY LINKED TO LYS242 NZ VIA REMARK 600 SCHIFF BASE REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5AHZ RELATED DB: PDB REMARK 900 BROMIDE-BOUND FORM OF HALORHODOPSIN FROM HALOBACTERIUM SALINARUM IN REMARK 900 A NEW RHOMBOHEDRAL CRYSTAL FORM REMARK 999 REMARK 999 SEQUENCE REMARK 999 AMINO ACIDS 1-19 ARE MISSING (CLEAVED SIGNAL PEPTIDE), C- REMARK 999 TERMINAL HEXAHISTIDIN-TAG DBREF 5AHY A 20 274 UNP B0R2U4 BACH_HALS3 20 274 SEQADV 5AHY HIS A 275 UNP B0R2U4 EXPRESSION TAG SEQADV 5AHY HIS A 276 UNP B0R2U4 EXPRESSION TAG SEQADV 5AHY HIS A 277 UNP B0R2U4 EXPRESSION TAG SEQADV 5AHY HIS A 278 UNP B0R2U4 EXPRESSION TAG SEQADV 5AHY HIS A 279 UNP B0R2U4 EXPRESSION TAG SEQADV 5AHY HIS A 280 UNP B0R2U4 EXPRESSION TAG SEQRES 1 A 261 ALA ALA ALA VAL ARG GLU ASN ALA LEU LEU SER SER SER SEQRES 2 A 261 LEU TRP VAL ASN VAL ALA LEU ALA GLY ILE ALA ILE LEU SEQRES 3 A 261 VAL PHE VAL TYR MET GLY ARG THR ILE ARG PRO GLY ARG SEQRES 4 A 261 PRO ARG LEU ILE TRP GLY ALA THR LEU MET ILE PRO LEU SEQRES 5 A 261 VAL SER ILE SER SER TYR LEU GLY LEU LEU SER GLY LEU SEQRES 6 A 261 THR VAL GLY MET ILE GLU MET PRO ALA GLY HIS ALA LEU SEQRES 7 A 261 ALA GLY GLU MET VAL ARG SER GLN TRP GLY ARG TYR LEU SEQRES 8 A 261 THR TRP ALA LEU SER THR PRO MET ILE LEU LEU ALA LEU SEQRES 9 A 261 GLY LEU LEU ALA ASP VAL ASP LEU GLY SER LEU PHE THR SEQRES 10 A 261 VAL ILE ALA ALA ASP ILE GLY MET CYS VAL THR GLY LEU SEQRES 11 A 261 ALA ALA ALA MET THR THR SER ALA LEU LEU PHE ARG TRP SEQRES 12 A 261 ALA PHE TYR ALA ILE SER CYS ALA PHE PHE VAL VAL VAL SEQRES 13 A 261 LEU SER ALA LEU VAL THR ASP TRP ALA ALA SER ALA SER SEQRES 14 A 261 SER ALA GLY THR ALA GLU ILE PHE ASP THR LEU ARG VAL SEQRES 15 A 261 LEU THR VAL VAL LEU TRP LEU GLY TYR PRO ILE VAL TRP SEQRES 16 A 261 ALA VAL GLY VAL GLU GLY LEU ALA LEU VAL GLN SER VAL SEQRES 17 A 261 GLY VAL THR SER TRP ALA TYR SER VAL LEU ASP VAL PHE SEQRES 18 A 261 ALA LYS TYR VAL PHE ALA PHE ILE LEU LEU ARG TRP VAL SEQRES 19 A 261 ALA ASN ASN GLU ARG THR VAL ALA VAL ALA GLY GLN THR SEQRES 20 A 261 LEU GLY THR MET SER SER ASP ASP HIS HIS HIS HIS HIS SEQRES 21 A 261 HIS HET RET A 900 20 HET CL A1263 1 HET CL A1264 1 HET BOG A1265 20 HETNAM RET RETINAL HETNAM CL CHLORIDE ION HETNAM BOG OCTYL BETA-D-GLUCOPYRANOSIDE HETSYN BOG BETA-OCTYLGLUCOSIDE; OCTYL BETA-D-GLUCOSIDE; OCTYL D- HETSYN 2 BOG GLUCOSIDE; OCTYL GLUCOSIDE FORMUL 2 RET C20 H28 O FORMUL 3 CL 2(CL 1-) FORMUL 5 BOG C14 H28 O6 FORMUL 6 HOH *28(H2 O) HELIX 1 1 ALA A 21 ARG A 52 1 32 HELIX 2 2 GLY A 57 SER A 82 1 26 HELIX 3 3 GLN A 105 ASP A 128 1 24 HELIX 4 4 ASP A 130 THR A 154 1 25 HELIX 5 5 ALA A 157 THR A 181 1 25 HELIX 6 6 THR A 181 ALA A 190 1 10 HELIX 7 7 THR A 192 GLY A 217 1 26 HELIX 8 8 SER A 226 LYS A 242 1 17 HELIX 9 9 LYS A 242 ASN A 256 1 15 HELIX 10 10 ASN A 256 ALA A 261 1 6 SHEET 1 AA 2 GLY A 87 GLU A 90 0 SHEET 2 AA 2 MET A 101 SER A 104 -1 O VAL A 102 N ILE A 89 LINK NZ LYS A 242 C15 RET A 900 1555 1555 1.36 CRYST1 103.651 103.651 138.588 90.00 90.00 120.00 H 3 2 18 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 0.009648 0.005570 0.000000 0.00000 SCALE2 0.000000 0.011140 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007216 0.00000