PDB Short entry for 1S51 HEADER PROTON TRANSPORT 19-JAN-04 1S51 TITLE THR24SER BACTERIORHODOPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: BACTERIORHODOPSIN; COMPND 3 CHAIN: A, B; 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 EXPRESSION_SYSTEM: HALOBACTERIUM SALINARUM; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 2242; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: L33; SOURCE 7 OTHER_DETAILS: DNA TRANSFORMED INTO E. COLI, THEN TRANSFORMED INTO SOURCE 8 HALOBACTERIUM SALINARUM WHERE THE PROTEIN IS EXPRESSED. KEYWDS MEMBRANE PROTEIN; BACTERIORHODOPSIN, PROTON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR S.YOHANNAN,S.FAHAM,D.YANG,D.GROSFELD,A.K.CHAMBERLAIN,J.U.BOWIE REVDAT 6 23-AUG-23 1S51 1 REMARK REVDAT 5 27-OCT-21 1S51 1 REMARK SEQADV LINK REVDAT 4 24-FEB-09 1S51 1 VERSN REVDAT 3 12-APR-05 1S51 1 REMARK REVDAT 2 09-MAR-04 1S51 1 JRNL REVDAT 1 02-MAR-04 1S51 0 JRNL AUTH S.YOHANNAN,S.FAHAM,D.YANG,D.GROSFELD,A.K.CHAMBERLAIN, JRNL AUTH 2 J.U.BOWIE JRNL TITL A C(ALPHA)-H.O HYDROGEN BOND IN A MEMBRANE PROTEIN IS NOT JRNL TITL 2 STABILIZING JRNL REF J.AM.CHEM.SOC. V. 126 2284 2004 JRNL REFN ISSN 0002-7863 JRNL PMID 14982414 JRNL DOI 10.1021/JA0317574 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 30622 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : SHELLS REMARK 3 R VALUE (WORKING SET) : 0.212 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.700 REMARK 3 FREE R VALUE TEST SET COUNT : 1731 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 3512 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 40 REMARK 3 SOLVENT ATOMS : 99 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.24500 REMARK 3 B22 (A**2) : -5.68800 REMARK 3 B33 (A**2) : 7.93300 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.40300 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 1.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: CRYSTAL TWINNING WAS OBSERVED. TWINNING REMARK 3 OPERATION = -H, -K, H+L. TWINNING FRACTION = 0.5 REMARK 4 REMARK 4 1S51 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JAN-04. REMARK 100 THE DEPOSITION ID IS D_1000021375. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-NOV-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 3.7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32530 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : 0.11800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 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: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1PY6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM PHOSPHATE, HEXANEDIOL, PH 3.7, REMARK 280 BICELLE VAPOR DIFFUSION HANGING DROP, TEMPERATURE 310K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 54.27700 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 160 2.53 -65.47 REMARK 500 LYS A 216 -60.97 -109.74 REMARK 500 ALA B 160 2.67 -66.00 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 TYR B 64 0.06 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 5301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RET B 9301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1S52 RELATED DB: PDB REMARK 900 BACTERIORHODOPSIN MUTANT T24V REMARK 900 RELATED ID: 1S53 RELATED DB: PDB REMARK 900 BACTERIORHODOPSIN MUTANT T46S REMARK 900 RELATED ID: 1S54 RELATED DB: PDB REMARK 900 BACTERIORHODOPSIN MUTANT T24A DBREF 1S51 A 5 231 UNP P02945 BACR_HALN1 18 244 DBREF 1S51 B 5 231 UNP P02945 BACR_HALN1 18 244 SEQADV 1S51 SER A 24 UNP P02945 THR 37 ENGINEERED MUTATION SEQADV 1S51 SER B 24 UNP P02945 THR 37 ENGINEERED MUTATION SEQRES 1 A 227 THR GLY ARG PRO GLU TRP ILE TRP LEU ALA LEU GLY THR SEQRES 2 A 227 ALA LEU MET GLY LEU GLY SER LEU TYR PHE LEU VAL LYS SEQRES 3 A 227 GLY MET GLY VAL SER ASP PRO ASP ALA LYS LYS PHE TYR SEQRES 4 A 227 ALA ILE THR THR LEU VAL PRO ALA ILE ALA PHE THR MET SEQRES 5 A 227 TYR LEU SER MET LEU LEU GLY TYR GLY LEU THR MET VAL SEQRES 6 A 227 PRO PHE GLY GLY GLU GLN ASN PRO ILE TYR TRP ALA ARG SEQRES 7 A 227 TYR ALA ASP TRP LEU PHE THR THR PRO LEU LEU LEU LEU SEQRES 8 A 227 ASP LEU ALA LEU LEU VAL ASP ALA ASP GLN GLY THR ILE SEQRES 9 A 227 LEU ALA LEU VAL GLY ALA ASP GLY ILE MET ILE GLY THR SEQRES 10 A 227 GLY LEU VAL GLY ALA LEU THR LYS VAL TYR SER TYR ARG SEQRES 11 A 227 PHE VAL TRP TRP ALA ILE SER THR ALA ALA MET LEU TYR SEQRES 12 A 227 ILE LEU TYR VAL LEU PHE PHE GLY PHE THR SER LYS ALA SEQRES 13 A 227 GLU SER MET ARG PRO GLU VAL ALA SER THR PHE LYS VAL SEQRES 14 A 227 LEU ARG ASN VAL THR VAL VAL LEU TRP SER ALA TYR PRO SEQRES 15 A 227 VAL VAL TRP LEU ILE GLY SER GLU GLY ALA GLY ILE VAL SEQRES 16 A 227 PRO LEU ASN ILE GLU THR LEU LEU PHE MET VAL LEU ASP SEQRES 17 A 227 VAL SER ALA LYS VAL GLY PHE GLY LEU ILE LEU LEU ARG SEQRES 18 A 227 SER ARG ALA ILE PHE GLY SEQRES 1 B 227 THR GLY ARG PRO GLU TRP ILE TRP LEU ALA LEU GLY THR SEQRES 2 B 227 ALA LEU MET GLY LEU GLY SER LEU TYR PHE LEU VAL LYS SEQRES 3 B 227 GLY MET GLY VAL SER ASP PRO ASP ALA LYS LYS PHE TYR SEQRES 4 B 227 ALA ILE THR THR LEU VAL PRO ALA ILE ALA PHE THR MET SEQRES 5 B 227 TYR LEU SER MET LEU LEU GLY TYR GLY LEU THR MET VAL SEQRES 6 B 227 PRO PHE GLY GLY GLU GLN ASN PRO ILE TYR TRP ALA ARG SEQRES 7 B 227 TYR ALA ASP TRP LEU PHE THR THR PRO LEU LEU LEU LEU SEQRES 8 B 227 ASP LEU ALA LEU LEU VAL ASP ALA ASP GLN GLY THR ILE SEQRES 9 B 227 LEU ALA LEU VAL GLY ALA ASP GLY ILE MET ILE GLY THR SEQRES 10 B 227 GLY LEU VAL GLY ALA LEU THR LYS VAL TYR SER TYR ARG SEQRES 11 B 227 PHE VAL TRP TRP ALA ILE SER THR ALA ALA MET LEU TYR SEQRES 12 B 227 ILE LEU TYR VAL LEU PHE PHE GLY PHE THR SER LYS ALA SEQRES 13 B 227 GLU SER MET ARG PRO GLU VAL ALA SER THR PHE LYS VAL SEQRES 14 B 227 LEU ARG ASN VAL THR VAL VAL LEU TRP SER ALA TYR PRO SEQRES 15 B 227 VAL VAL TRP LEU ILE GLY SER GLU GLY ALA GLY ILE VAL SEQRES 16 B 227 PRO LEU ASN ILE GLU THR LEU LEU PHE MET VAL LEU ASP SEQRES 17 B 227 VAL SER ALA LYS VAL GLY PHE GLY LEU ILE LEU LEU ARG SEQRES 18 B 227 SER ARG ALA ILE PHE GLY HET RET A5301 20 HET RET B9301 20 HETNAM RET RETINAL FORMUL 3 RET 2(C20 H28 O) FORMUL 5 HOH *99(H2 O) HELIX 1 1 GLU A 9 MET A 32 1 24 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 ALA A 160 1 31 HELIX 6 6 ARG A 164 GLY A 192 1 29 HELIX 7 7 PRO A 200 ARG A 225 1 26 HELIX 8 8 GLU B 9 MET B 32 1 24 HELIX 9 9 ASP B 36 LEU B 62 1 27 HELIX 10 10 TRP B 80 ASP B 102 1 23 HELIX 11 11 ASP B 104 THR B 128 1 25 HELIX 12 12 VAL B 130 ALA B 160 1 31 HELIX 13 13 ARG B 164 GLY B 192 1 29 HELIX 14 14 PRO B 200 ARG B 225 1 26 SHEET 1 A 2 LEU A 66 PHE A 71 0 SHEET 2 A 2 GLU A 74 TYR A 79 -1 O ASN A 76 N VAL A 69 SHEET 1 B 2 LEU B 66 PHE B 71 0 SHEET 2 B 2 GLU B 74 TYR B 79 -1 O ASN B 76 N VAL B 69 LINK NZ LYS A 216 C15 RET A5301 1555 1555 1.33 LINK NZ LYS B 216 C15 RET B9301 1555 1555 1.32 SITE 1 AC1 12 TRP A 86 THR A 90 LEU A 93 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 ALA A 215 LYS A 216 SITE 1 AC2 12 TRP B 86 THR B 90 LEU B 93 TRP B 138 SITE 2 AC2 12 SER B 141 THR B 142 TRP B 182 TYR B 185 SITE 3 AC2 12 PRO B 186 TRP B 189 ALA B 215 LYS B 216 CRYST1 44.414 108.554 55.818 90.00 113.40 90.00 P 1 21 1 4 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 0.022515 0.000000 0.009743 0.00000 SCALE2 0.000000 0.009212 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019521 0.00000