PDB Short entry for 2I21 HEADER TRANSPORT PROTEIN 15-AUG-06 2I21 TITLE BACTERIORHODOPSIN/LIPID COMPLEX, T46V MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: BACTERIORHODOPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BR; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HALOBACTERIUM SALINARUM; SOURCE 3 ORGANISM_TAXID: 2242; SOURCE 4 CELLULAR_LOCATION: PLASMA MEMBRANE; SOURCE 5 EXPRESSION_SYSTEM: HALOBACTERIUM SALINARUM; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 2242; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: MPK409; SOURCE 8 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PBA2 KEYWDS ION PUMP, MEMBRANE PROTEIN, RETINAL PROTEIN, LIPIDS, PHOTORECEPTOR, KEYWDS 2 HALOARCHAEA, 7-TRANSMEMBRANE, SERPENTINE, ION TRANSPORT, TRANSPORT KEYWDS 3 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.K.LANYI,B.SCHOBERT REVDAT 5 30-AUG-23 2I21 1 REMARK REVDAT 4 20-OCT-21 2I21 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 2I21 1 VERSN REVDAT 2 24-FEB-09 2I21 1 VERSN REVDAT 1 10-OCT-06 2I21 0 JRNL AUTH J.K.LANYI,B.SCHOBERT JRNL TITL PROPAGATING STRUCTURAL PERTURBATION INSIDE JRNL TITL 2 BACTERIORHODOPSIN: CRYSTAL STRUCTURES OF THE M STATE AND THE JRNL TITL 3 D96A AND T46V MUTANTS. JRNL REF BIOCHEMISTRY V. 45 12003 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 17002299 JRNL DOI 10.1021/BI061310I REMARK 2 REMARK 2 RESOLUTION. 1.84 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.84 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.5 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.197 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.195 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1000 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 19360 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.174 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.172 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 755 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 15337 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1720 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 330 REMARK 3 SOLVENT ATOMS : 24 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2074.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 0 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 8300 REMARK 3 NUMBER OF RESTRAINTS : 8223 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 ANGLE DISTANCES (A) : 0.054 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.019 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.026 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.035 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.023 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.071 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NO MEROHEDRAL TWINNING REMARK 4 REMARK 4 2I21 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-AUG-06. REMARK 100 THE DEPOSITION ID IS D_1000039037. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL11-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97977 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19393 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.840 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.5 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 28.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.84 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.53700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: SHELX REMARK 200 STARTING MODEL: 1C3W REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.82 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MO:WATER:PHOSPHATE, PH 5.6, CUBIC REMARK 280 LIPID PHASE, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 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 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-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 -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 -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 55.26700 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 55.26700 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 55.26700 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 25350 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28630 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -233.0 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 -0.500000 -0.866025 0.000000 30.53450 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 52.88731 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -30.53450 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 52.88731 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 GLN A 1 REMARK 465 ALA A 2 REMARK 465 GLN A 3 REMARK 465 ILE A 4 REMARK 465 THR A 157 REMARK 465 SER A 158 REMARK 465 LYS A 159 REMARK 465 ALA A 160 REMARK 465 GLU A 161 REMARK 465 GLU A 232 REMARK 465 ALA A 233 REMARK 465 GLU A 234 REMARK 465 ALA A 235 REMARK 465 PRO A 236 REMARK 465 GLU A 237 REMARK 465 PRO A 238 REMARK 465 SER A 239 REMARK 465 ALA A 240 REMARK 465 GLY A 241 REMARK 465 ASP A 242 REMARK 465 GLY A 243 REMARK 465 ALA A 244 REMARK 465 ALA A 245 REMARK 465 ALA A 246 REMARK 465 THR A 247 REMARK 465 SER A 248 REMARK 465 ASP A 249 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 ARG A 7 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 SCHIFF BASE LINKAGE BETWEEN LYS 216 (NZ) AND RET 300 REMARK 600 (C15) DIETHER LIPID BILAYER 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 LI1 A 601 REMARK 610 LI1 A 602 REMARK 610 LI1 A 603 REMARK 610 LI1 A 604 REMARK 610 LI1 A 605 REMARK 610 LI1 A 606 REMARK 610 LI1 A 607 REMARK 610 LI1 A 608 REMARK 610 LI1 A 609 REMARK 610 LI1 A 610 REMARK 610 LI1 A 611 REMARK 610 LI1 A 612 REMARK 610 LI1 A 613 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 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 603 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 604 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 605 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 606 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 607 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 608 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 609 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 610 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 611 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 612 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI1 A 613 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SQU A 701 DBREF 2I21 A 1 249 UNP P02945 BACR_HALSA 14 262 SEQADV 2I21 VAL A 46 UNP P02945 THR 59 ENGINEERED MUTATION SEQRES 1 A 249 GLN ALA GLN ILE THR GLY ARG PRO GLU TRP ILE TRP LEU SEQRES 2 A 249 ALA LEU GLY THR ALA LEU MET GLY LEU GLY THR LEU TYR SEQRES 3 A 249 PHE LEU VAL LYS GLY MET GLY VAL SER ASP PRO ASP ALA SEQRES 4 A 249 LYS LYS PHE TYR ALA ILE VAL THR LEU VAL PRO ALA ILE SEQRES 5 A 249 ALA PHE THR MET TYR LEU SER MET LEU LEU GLY TYR GLY SEQRES 6 A 249 LEU THR MET VAL PRO PHE GLY GLY GLU GLN ASN PRO ILE SEQRES 7 A 249 TYR TRP ALA ARG TYR ALA ASP TRP LEU PHE THR THR PRO SEQRES 8 A 249 LEU LEU LEU LEU ASP LEU ALA LEU LEU VAL ASP ALA ASP SEQRES 9 A 249 GLN GLY THR ILE LEU ALA LEU VAL GLY ALA ASP GLY ILE SEQRES 10 A 249 MET ILE GLY THR GLY LEU VAL GLY ALA LEU THR LYS VAL SEQRES 11 A 249 TYR SER TYR ARG PHE VAL TRP TRP ALA ILE SER THR ALA SEQRES 12 A 249 ALA MET LEU TYR ILE LEU TYR VAL LEU PHE PHE GLY PHE SEQRES 13 A 249 THR SER LYS ALA GLU SER MET ARG PRO GLU VAL ALA SER SEQRES 14 A 249 THR PHE LYS VAL LEU ARG ASN VAL THR VAL VAL LEU TRP SEQRES 15 A 249 SER ALA TYR PRO VAL VAL TRP LEU ILE GLY SER GLU GLY SEQRES 16 A 249 ALA GLY ILE VAL PRO LEU ASN ILE GLU THR LEU LEU PHE SEQRES 17 A 249 MET VAL LEU ASP VAL SER ALA LYS VAL GLY PHE GLY LEU SEQRES 18 A 249 ILE LEU LEU ARG SER ARG ALA ILE PHE GLY GLU ALA GLU SEQRES 19 A 249 ALA PRO GLU PRO SER ALA GLY ASP GLY ALA ALA ALA THR SEQRES 20 A 249 SER ASP HET RET A 300 20 HET LI1 A 601 32 HET LI1 A 602 41 HET LI1 A 603 18 HET LI1 A 604 16 HET LI1 A 605 8 HET LI1 A 606 8 HET LI1 A 607 38 HET LI1 A 608 18 HET LI1 A 609 16 HET LI1 A 610 40 HET LI1 A 611 17 HET LI1 A 612 18 HET LI1 A 613 13 HET SQU A 701 27 HETNAM RET RETINAL HETNAM LI1 1-[2,6,10.14-TETRAMETHYL-HEXADECAN-16-YL]-2-[2,10,14- HETNAM 2 LI1 TRIMETHYLHEXADECAN-16-YL]GLYCEROL HETNAM SQU 2,10,23-TRIMETHYL-TETRACOSANE HETSYN LI1 LIPID FRAGMENT HETSYN SQU LIPID FRAGMENT FORMUL 2 RET C20 H28 O FORMUL 3 LI1 13(C42 H86 O3) FORMUL 16 SQU C27 H56 FORMUL 17 HOH *24(H2 O) HELIX 1 1 GLU A 9 GLY A 31 1 23 HELIX 2 2 ASP A 36 GLY A 63 1 28 HELIX 3 3 TRP A 80 VAL A 101 1 22 HELIX 4 4 ASP A 104 THR A 128 1 25 HELIX 5 5 VAL A 130 GLY A 155 1 26 HELIX 6 6 ARG A 164 GLY A 192 1 29 HELIX 7 7 PRO A 200 SER A 226 1 27 HELIX 8 8 ARG A 227 PHE A 230 5 4 SHEET 1 A 2 LEU A 66 PHE A 71 0 SHEET 2 A 2 GLU A 74 TYR A 79 -1 N GLU A 74 O PHE A 71 LINK NZ LYS A 216 C15 RET A 300 1555 1555 1.33 SITE 1 AC1 12 THR A 89 THR A 90 MET A 118 TRP A 138 SITE 2 AC1 12 SER A 141 THR A 142 TRP A 182 TYR A 185 SITE 3 AC1 12 PRO A 186 TRP A 189 ASP A 212 LYS A 216 SITE 1 AC2 6 TYR A 133 VAL A 136 ILE A 140 ALA A 143 SITE 2 AC2 6 LI1 A 608 SQU A 701 SITE 1 AC3 15 TRP A 12 TYR A 131 PHE A 135 VAL A 136 SITE 2 AC3 15 TRP A 138 ALA A 139 SER A 162 MET A 163 SITE 3 AC3 15 ARG A 164 PRO A 165 ALA A 196 ASN A 202 SITE 4 AC3 15 ILE A 203 LEU A 206 LI1 A 603 SITE 1 AC4 5 VAL A 187 LEU A 190 ILE A 198 LI1 A 602 SITE 2 AC4 5 LI1 A 604 SITE 1 AC5 2 ILE A 198 LI1 A 603 SITE 1 AC6 2 LI1 A 606 LI1 A 611 SITE 1 AC7 4 ALA A 18 LEU A 22 LI1 A 605 LI1 A 611 SITE 1 AC8 5 MET A 56 TYR A 64 TRP A 80 PHE A 88 SITE 2 AC8 5 GLY A 116 SITE 1 AC9 2 LI1 A 601 SQU A 701 SITE 1 BC1 3 PHE A 154 ASN A 176 LI1 A 610 SITE 1 BC2 9 PHE A 153 LYS A 172 ARG A 175 ASN A 176 SITE 2 BC2 9 VAL A 179 VAL A 180 SER A 183 VAL A 187 SITE 3 BC2 9 LI1 A 609 SITE 1 BC3 7 LEU A 22 LEU A 25 TYR A 26 VAL A 29 SITE 2 BC3 7 LI1 A 605 LI1 A 606 SQU A 701 SITE 1 BC4 8 THR A 24 LEU A 28 ALA A 44 THR A 47 SITE 2 BC4 8 ALA A 110 TYR A 147 HOH A 512 HOH A 513 SITE 1 BC5 1 ILE A 108 SITE 1 BC6 8 LEU A 19 SER A 214 GLY A 218 LEU A 221 SITE 2 BC6 8 ARG A 225 LI1 A 601 LI1 A 608 LI1 A 611 CRYST1 61.069 61.069 110.534 90.00 90.00 120.00 P 63 6 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 0.016388 0.009462 0.000000 0.00000 SCALE2 0.000000 0.018923 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009088 0.00000