HEADER MEMBRANE PROTEIN 29-SEP-03 1R2N TITLE NMR STRUCTURE OF THE ALL-TRANS RETINAL IN DARK-ADAPTED TITLE 2 BACTERIORHODOPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: BACTERIORHODOPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BR SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HALOBACTERIUM SALINARIUM; SOURCE 3 ORGANISM_COMMON: ARCHAEA; SOURCE 4 STRAIN: R1; SOURCE 5 OTHER_DETAILS: PURPLE MEMBRANE KEYWDS PROTON PUMP, MEMBRANE PROTEIN, RETINAL PROTEIN, PHOTORECEPTOR, KEYWDS 2 HALOARCHAEA, PROTON TRANSPORT EXPDTA SOLUTION NMR NUMMDL 12 AUTHOR H.PATZELT,B.SIMON,A.TERLAAK,B.KESSLER,R.KUHNE,P.SCHMIEDER, AUTHOR 2 D.OESTERHAELT,H.OSCHKINAT REVDAT 4 02-MAR-22 1R2N 1 REMARK LINK REVDAT 3 24-FEB-09 1R2N 1 VERSN REVDAT 2 04-NOV-03 1R2N 1 REMARK REVDAT 1 28-OCT-03 1R2N 0 JRNL AUTH H.PATZELT,B.SIMON,A.TERLAAK,B.KESSLER,R.KUHNE,P.SCHMIEDER, JRNL AUTH 2 D.OESTERHAELT,H.OSCHKINAT JRNL TITL THE STRUCTURES OF THE ACTIVE CENTER IN DARK-ADAPTED JRNL TITL 2 BACTERIORHODOPSIN BY SOLUTION-STATE NMR SPECTROSCOPY JRNL REF PROC.NATL.ACAD.SCI.USA V. 99 9765 2002 JRNL REFN ISSN 0027-8424 JRNL PMID 12119389 JRNL DOI 10.1073/PNAS.132253899 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR 2.6, AMBER 4.1 REMARK 3 AUTHORS : BRUKER, A.G. (XWINNMR), KOLLMAN, P. (AMBER) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NMR STRUCTURES OF THE ACTIVE CENTER IN REMARK 3 DARK-ADAPTED BACTERIORHODOPSIN WERE CALCULATED USING PDB ENTRY REMARK 3 1BRR, AS A TEMPLATE, AND 32 NOE RESTRAINTS. REMARK 4 REMARK 4 1R2N COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-OCT-03. REMARK 100 THE DEPOSITION ID IS D_1000020360. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308; 313; 318 REMARK 210 PH : 6.5; 6.5; 6.5 REMARK 210 IONIC STRENGTH : 1; 1; 1 REMARK 210 PRESSURE : 1 ATM; 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : RESIDUE SPECIFICALLY LABELED REMARK 210 PURPLE MEMBRANE (12-20 MG REMARK 210 BACTERIORHODOPSIN) SUSPENDED IN REMARK 210 1% DEUTERATED DODECAL MALTOSIDE, REMARK 210 10 MM POTASSIUM PHOSPHATE BUFFER REMARK 210 IN D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 750 MHZ REMARK 210 SPECTROMETER MODEL : DMX; DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : AMBER 4.1 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 12 REMARK 210 CONFORMERS, SELECTION CRITERIA : RMS DISTANCE BETWEEN OBSERVED REMARK 210 AND CALCULATED CHEMICAL SHIFTS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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 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. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-12 REMARK 465 RES C SSSEQI 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (RES=RESIDUE NAME; REMARK 470 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 470 MODELS 1-12 REMARK 470 RES CSSEQI ATOMS REMARK 470 GLU A 232 CG CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 HH TYR A 83 OE2 GLU A 194 1.55 REMARK 500 OD2 ASP A 85 H2 HOH A 1003 1.59 REMARK 500 REMARK 500 REMARK: NULL 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 1 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 1 PHE A 230 CB - CA - C ANGL. DEV. = 12.7 DEGREES REMARK 500 2 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 2 PHE A 230 CB - CA - C ANGL. DEV. = 12.6 DEGREES REMARK 500 3 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 3 PHE A 230 CB - CA - C ANGL. DEV. = 12.7 DEGREES REMARK 500 4 ARG A 82 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 4 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 4 PHE A 230 CB - CA - C ANGL. DEV. = 12.7 DEGREES REMARK 500 5 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 5 PHE A 230 CB - CA - C ANGL. DEV. = 12.7 DEGREES REMARK 500 6 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 6 PHE A 230 CB - CA - C ANGL. DEV. = 12.6 DEGREES REMARK 500 7 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 7 PHE A 230 CB - CA - C ANGL. DEV. = 12.7 DEGREES REMARK 500 8 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 8 PHE A 230 CB - CA - C ANGL. DEV. = 12.7 DEGREES REMARK 500 9 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 9 PHE A 230 CB - CA - C ANGL. DEV. = 12.6 DEGREES REMARK 500 10 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 10 PHE A 230 CB - CA - C ANGL. DEV. = 12.6 DEGREES REMARK 500 11 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 11 PHE A 230 CB - CA - C ANGL. DEV. = 12.7 DEGREES REMARK 500 12 ARG A 225 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 12 PHE A 230 CB - CA - C ANGL. DEV. = 12.6 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 1 ALA A 2 91.80 23.41 REMARK 500 1 GLN A 3 65.06 28.67 REMARK 500 1 ARG A 7 -51.35 -158.56 REMARK 500 1 GLU A 9 4.35 -67.16 REMARK 500 1 VAL A 29 40.98 -76.37 REMARK 500 1 LYS A 30 -44.88 -140.87 REMARK 500 1 VAL A 34 88.81 33.02 REMARK 500 1 PHE A 153 -70.25 -77.01 REMARK 500 1 MET A 163 -92.68 -91.92 REMARK 500 1 LYS A 216 -74.19 -91.44 REMARK 500 1 ILE A 229 102.25 40.19 REMARK 500 1 PHE A 230 -55.44 71.83 REMARK 500 2 ALA A 2 91.84 23.40 REMARK 500 2 GLN A 3 65.11 28.63 REMARK 500 2 ARG A 7 -51.34 -158.58 REMARK 500 2 GLU A 9 4.22 -67.19 REMARK 500 2 VAL A 29 40.95 -76.41 REMARK 500 2 LYS A 30 -44.84 -140.84 REMARK 500 2 VAL A 34 88.79 33.01 REMARK 500 2 PHE A 153 -70.31 -77.02 REMARK 500 2 MET A 163 -92.67 -91.90 REMARK 500 2 ALA A 215 22.40 -73.12 REMARK 500 2 LYS A 216 -73.38 -139.32 REMARK 500 2 ILE A 229 102.28 40.10 REMARK 500 2 PHE A 230 -55.42 71.86 REMARK 500 3 ALA A 2 91.93 23.35 REMARK 500 3 GLN A 3 65.08 28.57 REMARK 500 3 ARG A 7 -51.39 -158.51 REMARK 500 3 GLU A 9 4.34 -67.24 REMARK 500 3 VAL A 29 41.02 -76.36 REMARK 500 3 LYS A 30 -44.91 -140.89 REMARK 500 3 VAL A 34 88.75 33.09 REMARK 500 3 PHE A 153 -70.34 -76.97 REMARK 500 3 MET A 163 -92.67 -91.89 REMARK 500 3 LYS A 216 -59.37 -128.83 REMARK 500 3 ILE A 229 102.28 40.09 REMARK 500 3 PHE A 230 -55.46 71.87 REMARK 500 4 ALA A 2 91.84 23.44 REMARK 500 4 GLN A 3 65.05 28.60 REMARK 500 4 ARG A 7 -51.32 -158.57 REMARK 500 4 GLU A 9 4.30 -67.21 REMARK 500 4 VAL A 29 40.93 -76.37 REMARK 500 4 LYS A 30 -44.82 -140.82 REMARK 500 4 VAL A 34 88.79 33.04 REMARK 500 4 ASP A 85 -71.97 -52.03 REMARK 500 4 PHE A 153 -70.34 -76.97 REMARK 500 4 MET A 163 -92.63 -91.88 REMARK 500 4 LYS A 216 -74.87 -83.25 REMARK 500 4 ILE A 229 102.25 40.15 REMARK 500 4 PHE A 230 -55.47 71.88 REMARK 500 REMARK 500 THIS ENTRY HAS 146 RAMACHANDRAN OUTLIERS. 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 1 ARG A 7 0.10 SIDE CHAIN REMARK 500 1 TYR A 43 0.12 SIDE CHAIN REMARK 500 1 TYR A 83 0.07 SIDE CHAIN REMARK 500 1 ASP A 96 0.09 SIDE CHAIN REMARK 500 2 ARG A 7 0.10 SIDE CHAIN REMARK 500 2 TYR A 43 0.12 SIDE CHAIN REMARK 500 2 ASP A 96 0.09 SIDE CHAIN REMARK 500 2 ASP A 115 0.08 SIDE CHAIN REMARK 500 3 ARG A 7 0.10 SIDE CHAIN REMARK 500 3 TYR A 43 0.12 SIDE CHAIN REMARK 500 3 ASP A 96 0.09 SIDE CHAIN REMARK 500 3 ASP A 115 0.10 SIDE CHAIN REMARK 500 4 ARG A 7 0.10 SIDE CHAIN REMARK 500 4 TYR A 43 0.12 SIDE CHAIN REMARK 500 4 ASP A 96 0.09 SIDE CHAIN REMARK 500 5 ARG A 7 0.10 SIDE CHAIN REMARK 500 5 TYR A 43 0.12 SIDE CHAIN REMARK 500 5 ASP A 96 0.09 SIDE CHAIN REMARK 500 6 ARG A 7 0.10 SIDE CHAIN REMARK 500 6 TYR A 43 0.12 SIDE CHAIN REMARK 500 6 ARG A 82 0.10 SIDE CHAIN REMARK 500 6 ASP A 96 0.09 SIDE CHAIN REMARK 500 6 ASP A 115 0.09 SIDE CHAIN REMARK 500 7 ARG A 7 0.10 SIDE CHAIN REMARK 500 7 TYR A 43 0.12 SIDE CHAIN REMARK 500 7 ASP A 96 0.09 SIDE CHAIN REMARK 500 8 ARG A 7 0.10 SIDE CHAIN REMARK 500 8 TYR A 43 0.12 SIDE CHAIN REMARK 500 8 ASP A 96 0.09 SIDE CHAIN REMARK 500 9 ARG A 7 0.10 SIDE CHAIN REMARK 500 9 TYR A 43 0.12 SIDE CHAIN REMARK 500 9 ASP A 96 0.09 SIDE CHAIN REMARK 500 10 ARG A 7 0.10 SIDE CHAIN REMARK 500 10 TYR A 43 0.12 SIDE CHAIN REMARK 500 10 ASP A 96 0.09 SIDE CHAIN REMARK 500 11 ARG A 7 0.10 SIDE CHAIN REMARK 500 11 TYR A 43 0.12 SIDE CHAIN REMARK 500 11 TYR A 83 0.07 SIDE CHAIN REMARK 500 11 ASP A 96 0.09 SIDE CHAIN REMARK 500 12 ARG A 7 0.10 SIDE CHAIN REMARK 500 12 TYR A 43 0.12 SIDE CHAIN REMARK 500 12 TYR A 83 0.07 SIDE CHAIN REMARK 500 12 ASP A 96 0.09 SIDE CHAIN 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 999 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BRR RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE BACTERIORHODOPSIN TRIMER/LIPID COMPLEX REMARK 900 RELATED ID: 1C3W RELATED DB: PDB REMARK 900 BACTERIORHODOPSIN/LIPID COMPLEX AT 1.55 A RESOLUTION REMARK 900 RELATED ID: 1QHJ RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF BACTERIORHODOPSIN GROWN IN LIPIDIC CUBIC PHASES DBREF 1R2N A 1 249 UNP P02945 BACR_HALN1 14 262 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 THR 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 999 48 HETNAM RET RETINAL FORMUL 2 RET C20 H28 O FORMUL 3 HOH *4(H2 O) HELIX 1 1 GLU A 9 VAL A 29 1 21 HELIX 2 2 ASP A 36 LEU A 62 1 27 HELIX 3 3 TRP A 80 ASP A 102 1 23 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 GLY A 155 GLU A 161 1 7 HELIX 7 7 ARG A 164 ILE A 191 1 28 HELIX 8 8 PRO A 200 LEU A 224 1 25 SHEET 1 A 2 THR A 67 PHE A 71 0 SHEET 2 A 2 GLU A 74 ILE A 78 -1 O ILE A 78 N THR A 67 LINK NZ LYS A 216 C15 RET A 999 1555 1555 1.34 SITE 1 AC1 14 TRP A 86 THR A 89 THR A 90 MET A 118 SITE 2 AC1 14 GLY A 122 TRP A 138 SER A 141 THR A 142 SITE 3 AC1 14 TRP A 182 TYR A 185 PRO A 186 ASP A 212 SITE 4 AC1 14 ALA A 215 LYS A 216 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1