HEADER SIGNALING PROTEIN 21-JUL-23 8PWQ TITLE LIGHT STRUCTURE OF SENSORY RHODOPSIN-II SOLVED BY SERIAL MILLISECOND TITLE 2 CRYSTALLOGRAPHY 120-150 MILLISECONDS TIME-BIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SENSORY RHODOPSIN-2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SENSORY RHODOPSIN II,SR-II; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NATRONOMONAS PHARAONIS; SOURCE 3 ORGANISM_TAXID: 2257; SOURCE 4 GENE: SOP2, SOPII; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SRII, SERIAL MILLISECOND CRYSTALLOGRAPHY, SENSORY RHODOPSIN, SENSORY KEYWDS 2 RHODOPSIN II, SMX, SSX, TIME-RESOLVED CRYSTALLOGRAPHY, TRX, KEYWDS 3 SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR R.BOSMAN,G.ORTOLANI,G.BRANDEN,R.NEUTZE REVDAT 1 05-FEB-25 8PWQ 0 JRNL AUTH R.BOSMAN,G.ORTOLANI,G.BRANDEN,R.NEUTZE JRNL TITL STRUCTURAL BASIS OF THE PROLONGED PHOTOCYCLE OF SENSORY JRNL TITL 2 RHODOPSIN II REVEALED BY SERIAL MILLISECOND CRYSTALLOGRAPHY JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.95 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.88 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 67.3 REMARK 3 NUMBER OF REFLECTIONS : 4429 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.249 REMARK 3 R VALUE (WORKING SET) : 0.248 REMARK 3 FREE R VALUE : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.230 REMARK 3 FREE R VALUE TEST SET COUNT : 787 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 44.8800 - 3.5500 1.00 3704 187 0.2186 0.2354 REMARK 3 2 3.5500 - 2.8200 1.00 3537 190 0.2183 0.2487 REMARK 3 3 2.8200 - 2.4600 1.00 3498 200 0.2666 0.2891 REMARK 3 4 2.4600 - 2.2400 0.82 2839 164 0.3580 0.3802 REMARK 3 5 2.2400 - 2.0800 0.18 609 42 0.4058 0.4324 REMARK 3 6 2.0800 - 1.9500 0.02 62 4 0.4374 0.3288 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) : 0.304 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 33.296 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.98 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.16 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 : 0.012 3282 REMARK 3 ANGLE : 1.651 4496 REMARK 3 CHIRALITY : 0.072 544 REMARK 3 PLANARITY : 0.012 536 REMARK 3 DIHEDRAL : 16.564 1088 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 8PWQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-JUL-23. REMARK 100 THE DEPOSITION ID IS D_1292132096. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAY-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) : 1.0000342 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTFEL REMARK 200 DATA SCALING SOFTWARE : CRYSTFEL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 4429 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 44.880 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 82.74 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 5.1100 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.34 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 44.90 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 <I/SIGMA(I)> 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CACL2 150MM, GLYCINE 100MM, 38%(V/V) REMARK 280 PEG 400, PH 7.5, LIPIDIC CUBIC PHASE, TEMPERATURE 296K 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 25.50000 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 25.50000 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 44.87500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 65.85000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 44.87500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 65.85000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 25.50000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 44.87500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 65.85000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 25.50000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 44.87500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 65.85000 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 910 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9540 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 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 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 ARG A 27 REMARK 465 ASP A 28 REMARK 465 ALA A 29 REMARK 465 GLY A 30 REMARK 465 SER A 31 REMARK 465 GLY A 32 REMARK 465 ALA A 217 REMARK 465 THR A 218 REMARK 465 LEU A 219 REMARK 465 ARG A 220 REMARK 465 ALA A 221 REMARK 465 GLU A 222 REMARK 465 HIS A 223 REMARK 465 GLY A 224 REMARK 465 GLU A 225 REMARK 465 SER A 226 REMARK 465 LEU A 227 REMARK 465 ALA A 228 REMARK 465 GLY A 229 REMARK 465 VAL A 230 REMARK 465 ASP A 231 REMARK 465 THR A 232 REMARK 465 ASP A 233 REMARK 465 ALA A 234 REMARK 465 PRO A 235 REMARK 465 ALA A 236 REMARK 465 VAL A 237 REMARK 465 ALA A 238 REMARK 465 ASP A 239 REMARK 465 GLU A 240 REMARK 465 ASN A 241 REMARK 465 SER A 242 REMARK 465 HIS A 243 REMARK 465 HIS A 244 REMARK 465 HIS A 245 REMARK 465 HIS A 246 REMARK 465 HIS A 247 REMARK 465 HIS A 248 REMARK 465 HIS A 249 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 GLU A 33 CG CD OE1 OE2 REMARK 470 GLU A 97 CG CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU A 7 CA - CB - CG ANGL. DEV. = -16.3 DEGREES REMARK 500 LEU A 16 CA - CB - CG ANGL. DEV. = -20.5 DEGREES REMARK 500 LEU A 78 CA - CB - CG ANGL. DEV. = 13.9 DEGREES REMARK 500 LEU A 89 CA - CB - CG ANGL. DEV. = 17.9 DEGREES REMARK 500 LEU A 135 CB - CG - CD1 ANGL. DEV. = -10.8 DEGREES REMARK 500 THR A 189 C - N - CA ANGL. DEV. = 17.6 DEGREES 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 ALA A 64 -106.96 55.36 REMARK 500 ALA A 64 -119.47 54.48 REMARK 500 ASP A 75 -71.39 -33.86 REMARK 500 LEU A 78 -62.51 -92.74 REMARK 500 VAL A 132 -82.13 -30.72 REMARK 500 PRO A 144 -66.71 -21.52 REMARK 500 SER A 150 12.06 -64.52 REMARK 500 ASN A 165 -74.13 -70.73 REMARK 500 ALA A 186 9.57 59.39 REMARK 500 LEU A 187 -91.97 -53.52 REMARK 500 LEU A 188 134.81 -39.71 REMARK 500 PRO A 190 -26.53 -23.64 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 VAL A 185 ALA A 186 149.02 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 123 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 8PWG RELATED DB: PDB REMARK 900 RELATED ID: 8PWI RELATED DB: PDB REMARK 900 RELATED ID: 8PWJ RELATED DB: PDB REMARK 900 RELATED ID: 8PWP RELATED DB: PDB REMARK 900 RELATED ID: 7PNC RELATED DB: PDB REMARK 900 RELATED ID: 7Q88 RELATED DB: PDB DBREF 8PWQ A 1 239 UNP P42196 BACS2_NATPH 1 239 SEQADV 8PWQ GLU A 240 UNP P42196 EXPRESSION TAG SEQADV 8PWQ ASN A 241 UNP P42196 EXPRESSION TAG SEQADV 8PWQ SER A 242 UNP P42196 EXPRESSION TAG SEQADV 8PWQ HIS A 243 UNP P42196 EXPRESSION TAG SEQADV 8PWQ HIS A 244 UNP P42196 EXPRESSION TAG SEQADV 8PWQ HIS A 245 UNP P42196 EXPRESSION TAG SEQADV 8PWQ HIS A 246 UNP P42196 EXPRESSION TAG SEQADV 8PWQ HIS A 247 UNP P42196 EXPRESSION TAG SEQADV 8PWQ HIS A 248 UNP P42196 EXPRESSION TAG SEQADV 8PWQ HIS A 249 UNP P42196 EXPRESSION TAG SEQRES 1 A 249 MET VAL GLY LEU THR THR LEU PHE TRP LEU GLY ALA ILE SEQRES 2 A 249 GLY MET LEU VAL GLY THR LEU ALA PHE ALA TRP ALA GLY SEQRES 3 A 249 ARG ASP ALA GLY SER GLY GLU ARG ARG TYR TYR VAL THR SEQRES 4 A 249 LEU VAL GLY ILE SER GLY ILE ALA ALA VAL ALA TYR VAL SEQRES 5 A 249 VAL MET ALA LEU GLY VAL GLY TRP VAL PRO VAL ALA GLU SEQRES 6 A 249 ARG THR VAL PHE ALA PRO ARG TYR ILE ASP TRP ILE LEU SEQRES 7 A 249 THR THR PRO LEU ILE VAL TYR PHE LEU GLY LEU LEU ALA SEQRES 8 A 249 GLY LEU ASP SER ARG GLU PHE GLY ILE VAL ILE THR LEU SEQRES 9 A 249 ASN THR VAL VAL MET LEU ALA GLY PHE ALA GLY ALA MET SEQRES 10 A 249 VAL PRO GLY ILE GLU ARG TYR ALA LEU PHE GLY MET GLY SEQRES 11 A 249 ALA VAL ALA PHE LEU GLY LEU VAL TYR TYR LEU VAL GLY SEQRES 12 A 249 PRO MET THR GLU SER ALA SER GLN ARG SER SER GLY ILE SEQRES 13 A 249 LYS SER LEU TYR VAL ARG LEU ARG ASN LEU THR VAL ILE SEQRES 14 A 249 LEU TRP ALA ILE TYR PRO PHE ILE TRP LEU LEU GLY PRO SEQRES 15 A 249 PRO GLY VAL ALA LEU LEU THR PRO THR VAL ASP VAL ALA SEQRES 16 A 249 LEU ILE VAL TYR LEU ASP LEU VAL THR LYS VAL GLY PHE SEQRES 17 A 249 GLY PHE ILE ALA LEU ASP ALA ALA ALA THR LEU ARG ALA SEQRES 18 A 249 GLU HIS GLY GLU SER LEU ALA GLY VAL ASP THR ASP ALA SEQRES 19 A 249 PRO ALA VAL ALA ASP GLU ASN SER HIS HIS HIS HIS HIS SEQRES 20 A 249 HIS HIS HET RET A 301 40 HET CL A 302 1 HETNAM RET RETINAL HETNAM CL CHLORIDE ION FORMUL 2 RET C20 H28 O FORMUL 3 CL CL 1- FORMUL 4 HOH *21(H2 O) HELIX 1 AA1 GLY A 3 GLY A 26 1 24 HELIX 2 AA2 ARG A 34 LEU A 56 1 23 HELIX 3 AA3 ALA A 70 GLY A 92 1 23 HELIX 4 AA4 ASP A 94 VAL A 118 1 25 HELIX 5 AA5 ILE A 121 GLY A 143 1 23 HELIX 6 AA6 GLY A 143 SER A 150 1 8 HELIX 7 AA7 SER A 153 ALA A 172 1 20 HELIX 8 AA8 ILE A 173 GLY A 181 1 9 HELIX 9 AA9 THR A 189 ALA A 216 1 28 SHEET 1 AA1 2 TRP A 60 VAL A 63 0 SHEET 2 AA1 2 ARG A 66 PHE A 69 -1 O VAL A 68 N VAL A 61 LINK NZ ALYS A 205 C15ARET A 301 1555 1555 1.44 LINK NZ BLYS A 205 C15BRET A 301 1555 1555 1.27 CRYST1 89.750 131.700 51.000 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 0.011142 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007593 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019608 0.00000