HEADER PROTON TRANSPORT 26-MAR-03 1UAZ TITLE CRYSTAL STRUCTURE OF ARCHAERHODOPSIN-1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ARCHAERHODOPSIN-1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: AR 1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HALOBACTERIUM SP. AUS-1; SOURCE 3 ORGANISM_TAXID: 2244; SOURCE 4 STRAIN: AUS-1 KEYWDS PROTON PUMP, RETINAL PROTEIN, 7 TRANS-MEMBRANE HELICES, KEYWDS 2 PROTON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR N.ENAMI,H.OKUMUA,T.KOUYAMA REVDAT 2 24-FEB-09 1UAZ 1 VERSN REVDAT 1 15-APR-03 1UAZ 0 JRNL AUTH N.ENAMI,H.OKUMUA,T.KOUYAMA JRNL TITL X-RAY CRYSTALLOGRAPHIC STUDIES OF ARCHAERHODOPSIN JRNL REF J.PHOTOSCI. V. 9 320 2003 JRNL REFN ISSN 1225-8555 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 3.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.1 REMARK 3 NUMBER OF REFLECTIONS : 12632 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.230 REMARK 3 FREE R VALUE : 0.282 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1309 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.52 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2422 REMARK 3 BIN FREE R VALUE : 0.2912 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 113 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3614 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 40 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 125.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 82.18 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 21.34000 REMARK 3 B22 (A**2) : 17.78100 REMARK 3 B33 (A**2) : -39.12100 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.43 REMARK 3 ESD FROM SIGMAA (A) : 0.48 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.55 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.55 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : TRA.PARAM REMARK 3 PARAMETER FILE 3 : TRB.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : TRA.TOP REMARK 3 TOPOLOGY FILE 3 : TRB.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1UAZ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-APR-03. REMARK 100 THE RCSB ID CODE IS RCSB005634. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-DEC-02; 27-SEP-02 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 5.2 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : SPRING-8; SPRING-8 REMARK 200 BEAMLINE : BL41XU; BL44B2 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0; 1.0 REMARK 200 MONOCHROMATOR : DOUBLE UNDULATOR; BENDING REMARK 200 MAGNET REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH; MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12632 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.400 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.4 REMARK 200 DATA REDUNDANCY : 12.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10300 REMARK 200 FOR THE DATA SET : 6.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 14.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.60300 REMARK 200 FOR SHELL : 1.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: XTALVIEW REMARK 200 STARTING MODEL: PDB ENTRY 1IW6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 73.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, REMARK 280 OCTYLTHIOGLUCOSIDE, SODIUM CITRATE, HEPTANETRIOL, SODIUM REMARK 280 CHLORIDE , PH 5.2, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 280K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 58.80000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 64.05000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 64.05000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 88.20000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 64.05000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 64.05000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 29.40000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 64.05000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 64.05000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 88.20000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 64.05000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 64.05000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 29.40000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 58.80000 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TRIMER GENERATED FROM A REMARK 300 MONOMER IN THE ASYMMETRIC UNIT 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 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 GLY A 237 REMARK 465 ASP A 238 REMARK 465 THR A 239 REMARK 465 GLU A 240 REMARK 465 ALA A 241 REMARK 465 PRO A 242 REMARK 465 GLU A 243 REMARK 465 PRO A 244 REMARK 465 SER A 245 REMARK 465 ALA A 246 REMARK 465 GLY A 247 REMARK 465 ALA A 248 REMARK 465 GLU A 249 REMARK 465 ALA A 250 REMARK 465 SER A 251 REMARK 465 ALA A 252 REMARK 465 ALA A 253 REMARK 465 ASP A 254 REMARK 465 GLY B 237 REMARK 465 ASP B 238 REMARK 465 THR B 239 REMARK 465 GLU B 240 REMARK 465 ALA B 241 REMARK 465 PRO B 242 REMARK 465 GLU B 243 REMARK 465 PRO B 244 REMARK 465 SER B 245 REMARK 465 ALA B 246 REMARK 465 GLY B 247 REMARK 465 ALA B 248 REMARK 465 GLU B 249 REMARK 465 ALA B 250 REMARK 465 SER B 251 REMARK 465 ALA B 252 REMARK 465 ALA B 253 REMARK 465 ASP B 254 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 LEU A 8 -6.64 -51.44 REMARK 500 VAL A 55 -75.33 -59.23 REMARK 500 LYS A 108 89.15 60.64 REMARK 500 THR A 160 -87.01 -119.92 REMARK 500 LYS A 222 -78.04 -108.09 REMARK 500 THR B 41 -38.41 -139.64 REMARK 500 ILE B 51 -73.52 -53.27 REMARK 500 THR B 52 -15.30 -38.53 REMARK 500 SER B 79 -17.68 -143.19 REMARK 500 LYS B 108 83.65 56.30 REMARK 500 ASP B 121 -16.97 -49.06 REMARK 500 ALA B 132 -35.90 -35.76 REMARK 500 MET B 151 -38.46 -39.92 REMARK 500 TYR B 156 -73.57 -60.95 REMARK 500 THR B 160 -86.76 -106.12 REMARK 500 ARG B 169 -177.74 -68.16 REMARK 500 VAL B 186 -71.66 -119.37 REMARK 500 LYS B 222 -74.33 -104.14 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RET A 255 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RET B 255 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IW6 RELATED DB: PDB REMARK 900 BACTERIORHODOPSIN IN THE P622 CRYSTAL DBREF 1UAZ A 1 254 UNP P19585 BAC1_HALS1 7 260 DBREF 1UAZ B 1 254 UNP P19585 BAC1_HALS1 7 260 SEQRES 1 A 254 THR ALA ALA VAL GLY ALA ASP LEU LEU GLY ASP GLY ARG SEQRES 2 A 254 PRO GLU THR LEU TRP LEU GLY ILE GLY THR LEU LEU MET SEQRES 3 A 254 LEU ILE GLY THR PHE TYR PHE ILE VAL LYS GLY TRP GLY SEQRES 4 A 254 VAL THR ASP LYS GLU ALA ARG GLU TYR TYR SER ILE THR SEQRES 5 A 254 ILE LEU VAL PRO GLY ILE ALA SER ALA ALA TYR LEU SER SEQRES 6 A 254 MET PHE PHE GLY ILE GLY LEU THR GLU VAL GLN VAL GLY SEQRES 7 A 254 SER GLU MET LEU ASP ILE TYR TYR ALA ARG TYR ALA ASP SEQRES 8 A 254 TRP LEU PHE THR THR PRO LEU LEU LEU LEU ASP LEU ALA SEQRES 9 A 254 LEU LEU ALA LYS VAL ASP ARG VAL SER ILE GLY THR LEU SEQRES 10 A 254 VAL GLY VAL ASP ALA LEU MET ILE VAL THR GLY LEU VAL SEQRES 11 A 254 GLY ALA LEU SER HIS THR PRO LEU ALA ARG TYR THR TRP SEQRES 12 A 254 TRP LEU PHE SER THR ILE CYS MET ILE VAL VAL LEU TYR SEQRES 13 A 254 PHE LEU ALA THR SER LEU ARG ALA ALA ALA LYS GLU ARG SEQRES 14 A 254 GLY PRO GLU VAL ALA SER THR PHE ASN THR LEU THR ALA SEQRES 15 A 254 LEU VAL LEU VAL LEU TRP THR ALA TYR PRO ILE LEU TRP SEQRES 16 A 254 ILE ILE GLY THR GLU GLY ALA GLY VAL VAL GLY LEU GLY SEQRES 17 A 254 ILE GLU THR LEU LEU PHE MET VAL LEU ASP VAL THR ALA SEQRES 18 A 254 LYS VAL GLY PHE GLY PHE ILE LEU LEU ARG SER ARG ALA SEQRES 19 A 254 ILE LEU GLY ASP THR GLU ALA PRO GLU PRO SER ALA GLY SEQRES 20 A 254 ALA GLU ALA SER ALA ALA ASP SEQRES 1 B 254 THR ALA ALA VAL GLY ALA ASP LEU LEU GLY ASP GLY ARG SEQRES 2 B 254 PRO GLU THR LEU TRP LEU GLY ILE GLY THR LEU LEU MET SEQRES 3 B 254 LEU ILE GLY THR PHE TYR PHE ILE VAL LYS GLY TRP GLY SEQRES 4 B 254 VAL THR ASP LYS GLU ALA ARG GLU TYR TYR SER ILE THR SEQRES 5 B 254 ILE LEU VAL PRO GLY ILE ALA SER ALA ALA TYR LEU SER SEQRES 6 B 254 MET PHE PHE GLY ILE GLY LEU THR GLU VAL GLN VAL GLY SEQRES 7 B 254 SER GLU MET LEU ASP ILE TYR TYR ALA ARG TYR ALA ASP SEQRES 8 B 254 TRP LEU PHE THR THR PRO LEU LEU LEU LEU ASP LEU ALA SEQRES 9 B 254 LEU LEU ALA LYS VAL ASP ARG VAL SER ILE GLY THR LEU SEQRES 10 B 254 VAL GLY VAL ASP ALA LEU MET ILE VAL THR GLY LEU VAL SEQRES 11 B 254 GLY ALA LEU SER HIS THR PRO LEU ALA ARG TYR THR TRP SEQRES 12 B 254 TRP LEU PHE SER THR ILE CYS MET ILE VAL VAL LEU TYR SEQRES 13 B 254 PHE LEU ALA THR SER LEU ARG ALA ALA ALA LYS GLU ARG SEQRES 14 B 254 GLY PRO GLU VAL ALA SER THR PHE ASN THR LEU THR ALA SEQRES 15 B 254 LEU VAL LEU VAL LEU TRP THR ALA TYR PRO ILE LEU TRP SEQRES 16 B 254 ILE ILE GLY THR GLU GLY ALA GLY VAL VAL GLY LEU GLY SEQRES 17 B 254 ILE GLU THR LEU LEU PHE MET VAL LEU ASP VAL THR ALA SEQRES 18 B 254 LYS VAL GLY PHE GLY PHE ILE LEU LEU ARG SER ARG ALA SEQRES 19 B 254 ILE LEU GLY ASP THR GLU ALA PRO GLU PRO SER ALA GLY SEQRES 20 B 254 ALA GLU ALA SER ALA ALA ASP HET RET A 255 20 HET RET B 255 20 HETNAM RET RETINAL FORMUL 3 RET 2(C20 H28 O) HELIX 1 1 GLU A 15 TRP A 38 1 24 HELIX 2 2 GLU A 44 GLY A 69 1 26 HELIX 3 3 TYR A 86 LEU A 106 1 21 HELIX 4 4 ASP A 110 LEU A 133 1 24 HELIX 5 5 THR A 136 THR A 160 1 25 HELIX 6 6 THR A 160 ALA A 166 1 7 HELIX 7 7 GLY A 170 GLY A 198 1 29 HELIX 8 8 GLY A 206 ARG A 231 1 26 HELIX 9 9 GLU B 15 LYS B 36 1 22 HELIX 10 10 GLU B 44 PHE B 68 1 25 HELIX 11 11 TYR B 86 LYS B 108 1 23 HELIX 12 12 ASP B 110 SER B 134 1 25 HELIX 13 13 THR B 136 THR B 160 1 25 HELIX 14 14 THR B 160 ARG B 169 1 10 HELIX 15 15 GLY B 170 GLY B 198 1 29 HELIX 16 16 GLY B 206 LEU B 230 1 25 SHEET 1 A 3 LEU A 72 VAL A 77 0 SHEET 2 A 3 GLU A 80 TYR A 85 -1 O LEU A 82 N VAL A 75 SHEET 3 A 3 ALA B 3 VAL B 4 -1 O ALA B 3 N MET A 81 SHEET 1 B 2 LEU B 72 VAL B 77 0 SHEET 2 B 2 GLU B 80 TYR B 85 -1 O ILE B 84 N THR B 73 LINK NZ LYS A 222 C15 RET A 255 1555 1555 1.36 LINK NZ LYS B 222 C15 RET B 255 1555 1555 1.36 SITE 1 AC1 12 TRP A 92 THR A 96 TRP A 144 SER A 147 SITE 2 AC1 12 THR A 148 TRP A 188 TYR A 191 PRO A 192 SITE 3 AC1 12 TRP A 195 ASP A 218 ALA A 221 LYS A 222 SITE 1 AC2 13 TRP B 92 THR B 96 MET B 124 TRP B 144 SITE 2 AC2 13 SER B 147 THR B 148 MET B 151 TRP B 188 SITE 3 AC2 13 TYR B 191 PRO B 192 TRP B 195 ASP B 218 SITE 4 AC2 13 LYS B 222 CRYST1 128.100 128.100 117.600 90.00 90.00 90.00 P 43 21 2 16 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 0.007806 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007806 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008503 0.00000 MASTER 326 0 2 16 5 0 7 6 0 0 0 40 END