HEADER HYDROLASE 08-SEP-10 2XR0 TITLE ROOM TEMPERATURE X-RAY STRUCTURE OF THE PERDEUTERATED TOHO-1 R274N TITLE 2 R276N DOUBLE MUTANT BETA-LACTAMASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TOHO-1 BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 32-291; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: FULLY PERDEUTERATED SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PJEXPRESS 401 KEYWDS HYDROLASE, EXTENDED-SPECTRUM BETA-LACTAMASES, ESBLS, CTX-M-TYPE ESBLS EXPDTA X-RAY DIFFRACTION AUTHOR S.J.TOMANICEK,K.K.WANG,K.L.WEISS,M.P.BLAKELEY,J.COOPER,Y.CHEN, AUTHOR 2 L.COATES REVDAT 4 20-DEC-23 2XR0 1 REMARK REVDAT 3 16-FEB-11 2XR0 1 JRNL REVDAT 2 29-DEC-10 2XR0 1 JRNL REVDAT 1 22-DEC-10 2XR0 0 JRNL AUTH S.J.TOMANICEK,K.K.WANG,K.L.WEISS,M.P.BLAKELEY,J.COOPER, JRNL AUTH 2 Y.CHEN,L.COATES JRNL TITL THE ACTIVE SITE PROTONATION STATES OF PERDEUTERATED TOHO-1 JRNL TITL 2 BETA-LACTAMASE DETERMINED BY NEUTRON DIFFRACTION SUPPORT A JRNL TITL 3 ROLE FOR GLU166 AS THE GENERAL BASE IN ACYLATION. JRNL REF FEBS LETT. V. 585 364 2011 JRNL REFN ISSN 0014-5793 JRNL PMID 21168411 JRNL DOI 10.1016/J.FEBSLET.2010.12.017 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.6.4_486) 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.54 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.430 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 3 NUMBER OF REFLECTIONS : 15956 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.135 REMARK 3 R VALUE (WORKING SET) : 0.133 REMARK 3 FREE R VALUE : 0.173 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 800 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 29.5444 - 3.9951 0.99 2673 143 0.1305 0.1552 REMARK 3 2 3.9951 - 3.1722 0.99 2542 134 0.1247 0.1491 REMARK 3 3 3.1722 - 2.7715 0.98 2517 135 0.1436 0.1957 REMARK 3 4 2.7715 - 2.5183 0.98 2498 131 0.1413 0.1909 REMARK 3 5 2.5183 - 2.3379 0.98 2469 127 0.1319 0.1954 REMARK 3 6 2.3379 - 2.2001 0.97 2457 130 0.1289 0.1913 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.20 REMARK 3 SHRINKAGE RADIUS : 0.95 REMARK 3 K_SOL : 0.33 REMARK 3 B_SOL : 28.96 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.160 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.060 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.86 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.65 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.05240 REMARK 3 B22 (A**2) : -1.05240 REMARK 3 B33 (A**2) : 2.10470 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 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 : 0.009 2042 REMARK 3 ANGLE : 1.122 2783 REMARK 3 CHIRALITY : 0.070 327 REMARK 3 PLANARITY : 0.005 361 REMARK 3 DIHEDRAL : 13.134 758 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 2XR0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-SEP-10. REMARK 100 THE DEPOSITION ID IS D_1290045326. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-APR-10 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH MX-300 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15962 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 29.540 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 7.500 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 31.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.32 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.9 REMARK 200 DATA REDUNDANCY IN SHELL : 7.50 REMARK 200 R MERGE FOR SHELL (I) : 0.83000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 22.00 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 2WYX REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.77 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.0 A AMMONIUM SULFATE, 0.1 M SODIUM REMARK 280 CITRATE, PD 5.1. PREPARED IN 99.9% D2O AND MIXED 1:1 WITH REMARK 280 PERDEUTERATED PROTEIN PREPARED IN 20 MM NA MES AT PD 6.1 (PH 6.5) REMARK 280 . REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 66.22000 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 33.11000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 33.11000 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 66.22000 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: 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 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 2037 O HOH A 2037 6554 2.19 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 CYS A 69 -137.43 49.64 REMARK 500 VAL A 103 -132.79 -102.81 REMARK 500 ASN A 114 -4.47 80.68 REMARK 500 SER A 220 -127.19 -101.35 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 SO4 A 1291 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1292 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1293 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IYP RELATED DB: PDB REMARK 900 TOHO-1 BETA-LACTAMASE IN COMPLEX WITH CEPHALOTHIN REMARK 900 RELATED ID: 1WE4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CLASS A BETA-LACTAMASE TOHO-1 G238CMUTANT REMARK 900 RELATED ID: 2WYX RELATED DB: PDB REMARK 900 NEUTRON STRUCTURE OF A CLASS A BETA- LACTAMASE TOHO-1 E166A R274N REMARK 900 R276N TRIPLE MUTANT REMARK 900 RELATED ID: 1IYS RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CLASS A BETA-LACTAMASE TOHO-1 REMARK 900 RELATED ID: 1IYO RELATED DB: PDB REMARK 900 TOHO-1 BETA-LACTAMASE IN COMPLEX WITH CEFOTAXIME REMARK 900 RELATED ID: 1BZA RELATED DB: PDB REMARK 900 BETA-LACTAMASE TOHO-1 FROM ESCHERICHIA COLI TUH12191 REMARK 900 RELATED ID: 1IYQ RELATED DB: PDB REMARK 900 TOHO-1 BETA-LACTAMASE IN COMPLEX WITH BENZYLPENICILLIN REMARK 900 RELATED ID: 2XQZ RELATED DB: PDB REMARK 900 NEUTRON STRUCTURE OF THE PERDEUTERATED TOHO- 1 R274N R276N DOUBLE REMARK 900 MUTANT BETA-LACTAMASE REMARK 999 REMARK 999 SEQUENCE REMARK 999 2XR0 USES A RESIDUE NUMBERING SCHEME IN WHICH RESIDUE POSITION 58, REMARK 999 RESIDUE POSITION 239, AND RESIDUE POSITION 253 HAVE NOT BEEN USED - REMARK 999 GIVING A SMALL MISMATCH BETWEEN THE NUMBER OF RESIDUES IN THE DBREF REMARK 999 SEQUENCE RANGES BELOW. DBREF 2XR0 A 28 290 UNP Q47066 BLT1_ECOLX 32 291 SEQADV 2XR0 ASN A 274 UNP Q47066 ARG 275 ENGINEERED MUTATION SEQADV 2XR0 ASN A 276 UNP Q47066 ARG 277 ENGINEERED MUTATION SEQRES 1 A 260 SER VAL GLN GLN GLN LEU GLU ALA LEU GLU LYS SER SER SEQRES 2 A 260 GLY GLY ARG LEU GLY VAL ALA LEU ILE ASN THR ALA ASP SEQRES 3 A 260 ASN SER GLN ILE LEU TYR ARG ALA ASP GLU ARG PHE ALA SEQRES 4 A 260 MET CYS SER THR SER LYS VAL MET ALA ALA ALA ALA VAL SEQRES 5 A 260 LEU LYS GLN SER GLU SER ASP LYS HIS LEU LEU ASN GLN SEQRES 6 A 260 ARG VAL GLU ILE LYS LYS SER ASP LEU VAL ASN TYR ASN SEQRES 7 A 260 PRO ILE ALA GLU LYS HIS VAL ASN GLY THR MET THR LEU SEQRES 8 A 260 ALA GLU LEU GLY ALA ALA ALA LEU GLN TYR SER ASP ASN SEQRES 9 A 260 THR ALA MET ASN LYS LEU ILE ALA HIS LEU GLY GLY PRO SEQRES 10 A 260 ASP LYS VAL THR ALA PHE ALA ARG SER LEU GLY ASP GLU SEQRES 11 A 260 THR PHE ARG LEU ASP ARG THR GLU PRO THR LEU ASN THR SEQRES 12 A 260 ALA ILE PRO GLY ASP PRO ARG ASP THR THR THR PRO LEU SEQRES 13 A 260 ALA MET ALA GLN THR LEU LYS ASN LEU THR LEU GLY LYS SEQRES 14 A 260 ALA LEU ALA GLU THR GLN ARG ALA GLN LEU VAL THR TRP SEQRES 15 A 260 LEU LYS GLY ASN THR THR GLY SER ALA SER ILE ARG ALA SEQRES 16 A 260 GLY LEU PRO LYS SER TRP VAL VAL GLY ASP LYS THR GLY SEQRES 17 A 260 SER GLY ASP TYR GLY THR THR ASN ASP ILE ALA VAL ILE SEQRES 18 A 260 TRP PRO GLU ASN HIS ALA PRO LEU VAL LEU VAL THR TYR SEQRES 19 A 260 PHE THR GLN PRO GLU GLN LYS ALA GLU ASN ARG ASN ASP SEQRES 20 A 260 ILE LEU ALA ALA ALA ALA LYS ILE VAL THR HIS GLY PHE HET SO4 A1291 5 HET SO4 A1292 5 HET SO4 A1293 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 3(O4 S 2-) FORMUL 5 HOH *154(H2 O) HELIX 1 1 SER A 28 GLY A 41 1 14 HELIX 2 2 CYS A 69 THR A 71 5 3 HELIX 3 3 SER A 72 GLU A 85 1 14 HELIX 4 4 HIS A 89 ASN A 92 5 4 HELIX 5 5 LYS A 98 LEU A 102 5 5 HELIX 6 6 ILE A 108 VAL A 113 5 6 HELIX 7 7 LEU A 119 TYR A 129 1 11 HELIX 8 8 ASP A 131 GLY A 143 1 13 HELIX 9 9 GLY A 144 LEU A 155 1 12 HELIX 10 10 PRO A 167 THR A 171 5 5 HELIX 11 11 THR A 182 GLY A 196 1 15 HELIX 12 12 ALA A 200 GLY A 213 1 14 HELIX 13 13 SER A 220 LEU A 225 5 6 HELIX 14 14 ARG A 275 THR A 287 1 13 SHEET 1 AA 5 GLN A 56 TYR A 60 0 SHEET 2 AA 5 ARG A 43 ASN A 50 -1 O VAL A 46 N TYR A 60 SHEET 3 AA 5 LEU A 259 THR A 266 -1 O VAL A 260 N ILE A 49 SHEET 4 AA 5 THR A 244 TRP A 251 -1 O THR A 244 N PHE A 265 SHEET 5 AA 5 VAL A 230 SER A 237 -1 O VAL A 230 N TRP A 251 SHEET 1 AB 2 PHE A 66 ALA A 67 0 SHEET 2 AB 2 THR A 180 THR A 181 -1 O THR A 181 N PHE A 66 SHEET 1 AC 2 ARG A 94 GLU A 96 0 SHEET 2 AC 2 THR A 116 THR A 118 -1 O MET A 117 N VAL A 95 CISPEP 1 GLU A 166 PRO A 167 0 3.62 SITE 1 AC1 6 TRP A 229 PRO A 252 GLU A 254 ASN A 255 SITE 2 AC1 6 HIS A 256 PHE A 290 SITE 1 AC2 8 SER A 70 SER A 130 LYS A 234 THR A 235 SITE 2 AC2 8 SER A 237 HOH A2149 HOH A2151 HOH A2152 SITE 1 AC3 3 ARG A 178 HOH A2153 HOH A2154 CRYST1 73.500 73.500 99.330 90.00 90.00 120.00 P 32 2 1 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 0.013605 0.007855 0.000000 0.00000 SCALE2 0.000000 0.015710 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010067 0.00000