PDB Short entry for 3F0O HEADER LYASE 25-OCT-08 3F0O TITLE CRYSTAL STRUCTURE OF MERB, THE ORGANOMERCURIAL LYASE INVOLVED IN A TITLE 2 BACTERIAL MERCURY RESISTANCE SYSTEM COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALKYLMERCURY LYASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: ORGANOMERCURIAL LYASE; COMPND 5 EC: 4.99.1.2; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: MERB; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET21B KEYWDS MERB, ORGANOMERCURIAL LYASE, ALKYLMERCURY LYASE, MERCURY RESISTANCE, KEYWDS 2 MERCURIC RESISTANCE, PLASMID, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR J.LAFRANCE-VANASSE,M.LEFEBVRE,P.DI LELLO,J.SYGUSCH,J.G.OMICHINSKI REVDAT 4 03-APR-24 3F0O 1 REMARK REVDAT 3 27-DEC-23 3F0O 1 REMARK REVDAT 2 20-JAN-09 3F0O 1 JRNL VERSN REVDAT 1 11-NOV-08 3F0O 0 JRNL AUTH J.LAFRANCE-VANASSE,M.LEFEBVRE,P.DI LELLO,J.SYGUSCH, JRNL AUTH 2 J.G.OMICHINSKI JRNL TITL CRYSTAL STRUCTURES OF THE ORGANOMERCURIAL LYASE MERB IN ITS JRNL TITL 2 FREE AND MERCURY-BOUND FORMS: INSIGHTS INTO THE MECHANISM OF JRNL TITL 3 METHYLMERCURY DEGRADATION JRNL REF J.BIOL.CHEM. V. 284 938 2009 JRNL REFN ISSN 0021-9258 JRNL PMID 19004822 JRNL DOI 10.1074/JBC.M807143200 REMARK 2 REMARK 2 RESOLUTION. 1.76 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.76 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.67 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.070 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 33441 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.183 REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1974 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 19.6672 - 4.2313 0.99 2362 148 0.1778 0.1825 REMARK 3 2 4.2313 - 3.3640 1.00 2336 147 0.1597 0.1779 REMARK 3 3 3.3640 - 2.9404 0.99 2334 145 0.1773 0.2184 REMARK 3 4 2.9404 - 2.6722 0.99 2330 147 0.1880 0.2179 REMARK 3 5 2.6722 - 2.4811 0.99 2287 142 0.1886 0.1976 REMARK 3 6 2.4811 - 2.3351 0.99 2307 146 0.1844 0.2257 REMARK 3 7 2.3351 - 2.2183 0.98 2297 145 0.1750 0.1975 REMARK 3 8 2.2183 - 2.1218 0.98 2253 141 0.1811 0.2238 REMARK 3 9 2.1218 - 2.0402 0.97 2259 141 0.1766 0.1894 REMARK 3 10 2.0402 - 1.9699 0.96 2250 142 0.1901 0.2528 REMARK 3 11 1.9699 - 1.9084 0.95 2214 139 0.1808 0.2223 REMARK 3 12 1.9084 - 1.8539 0.94 2148 135 0.1955 0.2149 REMARK 3 13 1.8539 - 1.8051 0.93 2186 139 0.2081 0.2686 REMARK 3 14 1.8051 - 1.7600 0.82 1904 117 0.2164 0.2851 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.38 REMARK 3 B_SOL : 65.42 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.830 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) : 1.51880 REMARK 3 B22 (A**2) : -2.98540 REMARK 3 B33 (A**2) : 1.46660 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.80870 REMARK 3 B23 (A**2) : 0.00000 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 : 0.005 3149 REMARK 3 ANGLE : 0.974 4296 REMARK 3 CHIRALITY : 0.065 510 REMARK 3 PLANARITY : 0.005 550 REMARK 3 DIHEDRAL : 14.945 1112 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 3F0O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-OCT-08. REMARK 100 THE DEPOSITION ID IS D_1000049998. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-JUN-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0084 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33974 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.760 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.76 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.82 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.80 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.18100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 6.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: PRELIMINARY PROTEIN MODEL THAT IS NOT IN THE PDB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% POLYETHYLENE GLYCOL 2000 MME, 0.2 REMARK 280 M SODIUM ACETATE PH 5.5, 0.2 M POTASSIUM BROMIDE, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 296K 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 44.97350 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 SER A 209 REMARK 465 ARG A 210 REMARK 465 THR A 211 REMARK 465 PRO A 212 REMARK 465 SER B 13 REMARK 465 VAL B 14 REMARK 465 ASN B 15 REMARK 465 ARG B 16 REMARK 465 THR B 17 REMARK 465 ASN B 18 REMARK 465 GLN B 149 REMARK 465 GLU B 150 REMARK 465 ALA B 151 REMARK 465 GLN B 205 REMARK 465 THR B 206 REMARK 465 MET B 207 REMARK 465 SER B 208 REMARK 465 SER B 209 REMARK 465 ARG B 210 REMARK 465 THR B 211 REMARK 465 PRO B 212 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 O HOH A 386 O HOH B 364 1.91 REMARK 500 O HOH A 260 O HOH A 273 1.94 REMARK 500 O HOH B 252 O HOH B 311 2.07 REMARK 500 O HOH B 264 O HOH B 302 2.09 REMARK 500 O HOH A 336 O HOH A 371 2.12 REMARK 500 O HOH B 307 O HOH B 333 2.12 REMARK 500 O HOH A 375 O HOH A 392 2.15 REMARK 500 O PRO B 130 O HOH B 359 2.18 REMARK 500 O HOH B 322 O HOH B 335 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 327 O HOH B 269 2656 2.13 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 ASN A 15 78.33 -101.17 REMARK 500 ASP A 47 36.51 72.70 REMARK 500 TYR A 74 81.79 -159.25 REMARK 500 ASP A 88 -124.75 54.78 REMARK 500 PHE A 158 -63.31 -124.21 REMARK 500 TYR B 74 75.56 -156.55 REMARK 500 SER B 115 -164.50 -160.15 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 BR A 213 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1S6L RELATED DB: PDB REMARK 900 NMR SOLUTION STRUCTURE OF THE SAME PROTEIN REMARK 900 RELATED ID: 3F0P RELATED DB: PDB REMARK 900 SIMILAR STRUCTURE OF THE MERCURY-BOUND FORM, PRODUCED BY DIFFERENT REMARK 900 EXPERIMENTAL CONDITIONS DBREF 3F0O A 1 212 UNP P77072 MERB_ECOLX 1 212 DBREF 3F0O B 1 212 UNP P77072 MERB_ECOLX 1 212 SEQRES 1 A 212 MET LYS LEU ALA PRO TYR ILE LEU GLU LEU LEU THR SER SEQRES 2 A 212 VAL ASN ARG THR ASN GLY THR ALA ASP LEU LEU VAL PRO SEQRES 3 A 212 LEU LEU ARG GLU LEU ALA LYS GLY ARG PRO VAL SER ARG SEQRES 4 A 212 THR THR LEU ALA GLY ILE LEU ASP TRP PRO ALA GLU ARG SEQRES 5 A 212 VAL ALA ALA VAL LEU GLU GLN ALA THR SER THR GLU TYR SEQRES 6 A 212 ASP LYS ASP GLY ASN ILE ILE GLY TYR GLY LEU THR LEU SEQRES 7 A 212 ARG GLU THR SER TYR VAL PHE GLU ILE ASP ASP ARG ARG SEQRES 8 A 212 LEU TYR ALA TRP CYS ALA LEU ASP THR LEU ILE PHE PRO SEQRES 9 A 212 ALA LEU ILE GLY ARG THR ALA ARG VAL SER SER HIS CYS SEQRES 10 A 212 ALA ALA THR GLY ALA PRO VAL SER LEU THR VAL SER PRO SEQRES 11 A 212 SER GLU ILE GLN ALA VAL GLU PRO ALA GLY MET ALA VAL SEQRES 12 A 212 SER LEU VAL LEU PRO GLN GLU ALA ALA ASP VAL ARG GLN SEQRES 13 A 212 SER PHE CYS CYS HIS VAL HIS PHE PHE ALA SER VAL PRO SEQRES 14 A 212 THR ALA GLU ASP TRP ALA SER LYS HIS GLN GLY LEU GLU SEQRES 15 A 212 GLY LEU ALA ILE VAL SER VAL HIS GLU ALA PHE GLY LEU SEQRES 16 A 212 GLY GLN GLU PHE ASN ARG HIS LEU LEU GLN THR MET SER SEQRES 17 A 212 SER ARG THR PRO SEQRES 1 B 212 MET LYS LEU ALA PRO TYR ILE LEU GLU LEU LEU THR SER SEQRES 2 B 212 VAL ASN ARG THR ASN GLY THR ALA ASP LEU LEU VAL PRO SEQRES 3 B 212 LEU LEU ARG GLU LEU ALA LYS GLY ARG PRO VAL SER ARG SEQRES 4 B 212 THR THR LEU ALA GLY ILE LEU ASP TRP PRO ALA GLU ARG SEQRES 5 B 212 VAL ALA ALA VAL LEU GLU GLN ALA THR SER THR GLU TYR SEQRES 6 B 212 ASP LYS ASP GLY ASN ILE ILE GLY TYR GLY LEU THR LEU SEQRES 7 B 212 ARG GLU THR SER TYR VAL PHE GLU ILE ASP ASP ARG ARG SEQRES 8 B 212 LEU TYR ALA TRP CYS ALA LEU ASP THR LEU ILE PHE PRO SEQRES 9 B 212 ALA LEU ILE GLY ARG THR ALA ARG VAL SER SER HIS CYS SEQRES 10 B 212 ALA ALA THR GLY ALA PRO VAL SER LEU THR VAL SER PRO SEQRES 11 B 212 SER GLU ILE GLN ALA VAL GLU PRO ALA GLY MET ALA VAL SEQRES 12 B 212 SER LEU VAL LEU PRO GLN GLU ALA ALA ASP VAL ARG GLN SEQRES 13 B 212 SER PHE CYS CYS HIS VAL HIS PHE PHE ALA SER VAL PRO SEQRES 14 B 212 THR ALA GLU ASP TRP ALA SER LYS HIS GLN GLY LEU GLU SEQRES 15 B 212 GLY LEU ALA ILE VAL SER VAL HIS GLU ALA PHE GLY LEU SEQRES 16 B 212 GLY GLN GLU PHE ASN ARG HIS LEU LEU GLN THR MET SER SEQRES 17 B 212 SER ARG THR PRO HET BR A 213 1 HETNAM BR BROMIDE ION FORMUL 3 BR BR 1- FORMUL 4 HOH *347(H2 O) HELIX 1 1 LEU A 3 ASN A 15 1 13 HELIX 2 2 GLY A 19 ALA A 32 1 14 HELIX 3 3 SER A 38 ASP A 47 1 10 HELIX 4 4 PRO A 49 ALA A 60 1 12 HELIX 5 5 CYS A 96 GLY A 108 1 13 HELIX 6 6 ASP A 153 PHE A 158 1 6 HELIX 7 7 CYS A 159 VAL A 162 5 4 HELIX 8 8 SER A 167 SER A 176 1 10 HELIX 9 9 VAL A 189 GLN A 205 1 17 HELIX 10 10 LEU B 3 THR B 12 1 10 HELIX 11 11 GLY B 19 ALA B 32 1 14 HELIX 12 12 SER B 38 ASP B 47 1 10 HELIX 13 13 PRO B 49 ALA B 60 1 12 HELIX 14 14 CYS B 96 GLY B 108 1 13 HELIX 15 15 ASP B 153 PHE B 158 1 6 HELIX 16 16 CYS B 159 VAL B 162 5 4 HELIX 17 17 SER B 167 SER B 176 1 10 HELIX 18 18 VAL B 189 LEU B 204 1 16 SHEET 1 A 2 GLU A 64 TYR A 65 0 SHEET 2 A 2 ILE A 71 GLY A 73 -1 O ILE A 72 N GLU A 64 SHEET 1 B 6 LEU A 76 THR A 77 0 SHEET 2 B 6 ARG A 90 ALA A 94 -1 O TYR A 93 N THR A 77 SHEET 3 B 6 TYR A 83 ILE A 87 -1 N PHE A 85 O LEU A 92 SHEET 4 B 6 ALA A 111 HIS A 116 -1 O SER A 114 N VAL A 84 SHEET 5 B 6 PRO A 123 VAL A 128 -1 O LEU A 126 N VAL A 113 SHEET 6 B 6 ILE A 133 GLU A 137 -1 O GLU A 137 N SER A 125 SHEET 1 C 3 PHE A 164 PHE A 165 0 SHEET 2 C 3 ALA A 142 LEU A 145 -1 N ALA A 142 O PHE A 165 SHEET 3 C 3 ALA A 185 SER A 188 -1 O VAL A 187 N VAL A 143 SHEET 1 D 2 GLU B 64 TYR B 65 0 SHEET 2 D 2 ILE B 71 GLY B 73 -1 O ILE B 72 N GLU B 64 SHEET 1 E 6 LEU B 76 THR B 77 0 SHEET 2 E 6 ARG B 90 ALA B 94 -1 O TYR B 93 N THR B 77 SHEET 3 E 6 TYR B 83 ILE B 87 -1 N PHE B 85 O LEU B 92 SHEET 4 E 6 ALA B 111 HIS B 116 -1 O ARG B 112 N GLU B 86 SHEET 5 E 6 PRO B 123 VAL B 128 -1 O LEU B 126 N VAL B 113 SHEET 6 E 6 ILE B 133 GLU B 137 -1 O GLN B 134 N THR B 127 SHEET 1 F 3 PHE B 164 PHE B 165 0 SHEET 2 F 3 ALA B 142 LEU B 145 -1 N ALA B 142 O PHE B 165 SHEET 3 F 3 ALA B 185 SER B 188 -1 O VAL B 187 N VAL B 143 CISPEP 1 GLU A 137 PRO A 138 0 -0.87 CISPEP 2 GLU B 137 PRO B 138 0 1.68 SITE 1 AC1 2 HOH A 251 HOH A 391 CRYST1 38.710 89.947 52.167 90.00 100.53 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 0.025833 0.000000 0.004803 0.00000 SCALE2 0.000000 0.011118 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019498 0.00000