HEADER HYDROLASE 17-JUL-15 5A91 TITLE 15K X-RAY LIGAND FREE: EXPLORING THE MECHANISM OF BETA-LACTAM RING TITLE 2 PROTONATION IN THE CLASS A BETA-LACTAMASE ACYLATION MECHANISM USING TITLE 3 NEUTRON AND X-RAY CRYSTALLOGRAPHY COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE TOHO-1; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.2.6; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: BLA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HYDROLASE, BETA LACTAMASE, NEUTRON CRYSTALLOGRAPHY EXPDTA X-RAY DIFFRACTION AUTHOR V.G.VANDAVASI,K.L.WEISS,J.B.COOPER,P.T.ERSKINE,S.J.TOMANICEK, AUTHOR 2 A.OSTERMANN,T.E.SCHRADER,S.L.GINELL,L.COATES REVDAT 4 08-MAY-24 5A91 1 COMPND SOURCE REMARK DBREF REVDAT 4 2 1 SEQADV REVDAT 3 09-OCT-19 5A91 1 REMARK ATOM REVDAT 2 27-JAN-16 5A91 1 JRNL REVDAT 1 16-DEC-15 5A91 0 JRNL AUTH V.G.VANDAVASI,K.L.WEISS,J.B.COOPER,P.T.ERSKINE, JRNL AUTH 2 S.J.TOMANICEK,A.OSTERMANN,T.E.SCHRADER,S.L.GINELL,L.COATES JRNL TITL EXPLORING THE MECHANISM OF BETA-LACTAM RING PROTONATION IN JRNL TITL 2 THE CLASS A BETA-LACTAMASE ACYLATION MECHANISM USING NEUTRON JRNL TITL 3 AND X-RAY CRYSTALLOGRAPHY. JRNL REF J.MED.CHEM. V. 59 474 2016 JRNL REFN ISSN 0022-2623 JRNL PMID 26630115 JRNL DOI 10.1021/ACS.JMEDCHEM.5B01215 REMARK 2 REMARK 2 RESOLUTION. 1.20 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) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.20 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 3 NUMBER OF REFLECTIONS : 86837 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.130 REMARK 3 R VALUE (WORKING SET) : 0.129 REMARK 3 FREE R VALUE : 0.151 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 4412 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 36.2155 - 3.7274 0.85 2676 144 0.1561 0.1678 REMARK 3 2 3.7274 - 2.9590 0.89 2676 140 0.1401 0.1550 REMARK 3 3 2.9590 - 2.5851 0.90 2651 160 0.1396 0.1771 REMARK 3 4 2.5851 - 2.3487 0.91 2724 143 0.1228 0.1254 REMARK 3 5 2.3487 - 2.1804 0.91 2687 147 0.1188 0.1264 REMARK 3 6 2.1804 - 2.0519 0.92 2734 118 0.1165 0.1304 REMARK 3 7 2.0519 - 1.9491 0.93 2720 140 0.1171 0.1312 REMARK 3 8 1.9491 - 1.8643 0.93 2703 154 0.1167 0.1271 REMARK 3 9 1.8643 - 1.7925 0.93 2762 138 0.1164 0.1367 REMARK 3 10 1.7925 - 1.7307 0.93 2694 156 0.1187 0.1524 REMARK 3 11 1.7307 - 1.6766 0.94 2732 136 0.1170 0.1446 REMARK 3 12 1.6766 - 1.6286 0.94 2716 174 0.1120 0.1482 REMARK 3 13 1.6286 - 1.5858 0.94 2764 135 0.1166 0.1236 REMARK 3 14 1.5858 - 1.5471 0.95 2743 157 0.1134 0.1452 REMARK 3 15 1.5471 - 1.5119 0.95 2732 147 0.1152 0.1287 REMARK 3 16 1.5119 - 1.4797 0.95 2772 139 0.1176 0.1650 REMARK 3 17 1.4797 - 1.4501 0.95 2768 137 0.1215 0.1557 REMARK 3 18 1.4501 - 1.4228 0.95 2769 146 0.1255 0.1495 REMARK 3 19 1.4228 - 1.3973 0.95 2773 157 0.1250 0.1341 REMARK 3 20 1.3973 - 1.3737 0.96 2779 145 0.1303 0.1560 REMARK 3 21 1.3737 - 1.3515 0.96 2763 164 0.1328 0.1760 REMARK 3 22 1.3515 - 1.3307 0.96 2750 152 0.1372 0.1693 REMARK 3 23 1.3307 - 1.3111 0.96 2788 158 0.1332 0.1627 REMARK 3 24 1.3111 - 1.2927 0.96 2763 149 0.1359 0.1518 REMARK 3 25 1.2927 - 1.2752 0.96 2801 152 0.1337 0.1541 REMARK 3 26 1.2752 - 1.2586 0.96 2817 133 0.1406 0.1859 REMARK 3 27 1.2586 - 1.2429 0.96 2777 144 0.1439 0.1890 REMARK 3 28 1.2429 - 1.2279 0.97 2763 131 0.1497 0.1823 REMARK 3 29 1.2279 - 1.2136 0.97 2818 173 0.1452 0.1679 REMARK 3 30 1.2136 - 1.2000 0.97 2810 143 0.1515 0.1879 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 : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.070 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 12.570 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) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL 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 : 0.011 2103 REMARK 3 ANGLE : 1.492 2880 REMARK 3 CHIRALITY : 0.084 338 REMARK 3 PLANARITY : 0.009 374 REMARK 3 DIHEDRAL : 12.906 794 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 5A91 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-JUL-15. REMARK 100 THE DEPOSITION ID IS D_1290064365. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 15 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.67 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 86849 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 38.410 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.26 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 5.70 REMARK 200 R MERGE FOR SHELL (I) : 0.34000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 300 UL OF A 10 MG/ML PROTEIN REMARK 280 CONCENTRATION IN A SOLUTION CONTAINING 2.0 M AMMONIUM SULFATE REMARK 280 AND 0.1 M SODIUM CITRATE (PH 6.1) PREPARED IN D 2 O., REMARK 280 TEMPERATURE 293K 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 64.79867 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 32.39933 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 32.39933 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 64.79867 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A2034 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2036 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2168 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2413 LIES ON A SPECIAL POSITION. 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 ALA A 26 REMARK 465 ASN A 27 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 2330 O HOH A 2331 1.76 REMARK 500 O2 SO4 A 1295 O HOH A 2313 1.81 REMARK 500 O HOH A 2370 O HOH A 2371 1.99 REMARK 500 O HOH A 2020 O HOH A 2021 1.99 REMARK 500 O HOH A 2275 O HOH A 2278 2.01 REMARK 500 O HOH A 2132 O HOH A 2133 2.02 REMARK 500 O HOH A 2157 O HOH A 2158 2.02 REMARK 500 O HOH A 2046 O HOH A 2055 2.03 REMARK 500 O HOH A 2171 O HOH A 2174 2.05 REMARK 500 O HOH A 2322 O HOH A 2324 2.07 REMARK 500 O HOH A 2038 O HOH A 2412 2.08 REMARK 500 O HOH A 2135 O HOH A 2291 2.09 REMARK 500 NH2 ARG A 204 O HOH A 2322 2.09 REMARK 500 O HOH A 2301 O HOH A 2302 2.10 REMARK 500 O HOH A 2390 O HOH A 2392 2.11 REMARK 500 NE2 GLN A 203 O HOH A 2134 2.11 REMARK 500 O HOH A 2217 O HOH A 2223 2.11 REMARK 500 O HOH A 2107 O HOH A 2223 2.12 REMARK 500 O HOH A 2142 O HOH A 2302 2.13 REMARK 500 O HOH A 2165 O HOH A 2236 2.16 REMARK 500 O HOH A 2005 O HOH A 2006 2.17 REMARK 500 O HOH A 2155 O HOH A 2159 2.17 REMARK 500 OD1 ASN A 192 O HOH A 2317 2.17 REMARK 500 O HOH A 2016 O HOH A 2017 2.18 REMARK 500 O HOH A 2051 O HOH A 2084 2.18 REMARK 500 O HOH A 2134 O HOH A 2336 2.18 REMARK 500 O HOH A 2394 O HOH A 2395 2.18 REMARK 500 O HOH A 2241 O HOH A 2436 2.19 REMARK 500 O HOH A 2156 O HOH A 2309 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 2020 O HOH A 2326 4655 1.65 REMARK 500 O HOH A 2038 O HOH A 2425 5555 1.93 REMARK 500 O HOH A 2140 O HOH A 2371 2544 2.00 REMARK 500 O HOH A 2152 O HOH A 2171 4645 2.15 REMARK 500 O HOH A 2107 O HOH A 2407 5545 2.17 REMARK 500 O HOH A 2057 O HOH A 2404 4655 2.19 REMARK 500 O1 SO4 A 1295 O HOH A 2408 4655 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 -142.40 50.83 REMARK 500 VAL A 103 -137.25 -118.26 REMARK 500 TYR A 105 92.53 -162.20 REMARK 500 ASN A 106 59.88 -142.98 REMARK 500 ASN A 114 -6.07 80.16 REMARK 500 SER A 220 -127.88 -101.40 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 HOH A 2327 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 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1294 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1295 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5A90 RELATED DB: PDB REMARK 900 100K NEUTRON LIGAND FREE: EXPLORING THE MECHANISM OF BETA-LACTAM REMARK 900 RING PROTONATION IN THE CLASS A BETA- LACTAMASE ACYLATION MECHANISM REMARK 900 USING NEUTRON AND X-RAY CRYSTALLOGRAPHY REMARK 900 RELATED ID: 5A92 RELATED DB: PDB REMARK 900 15K X-RAY STRUCTURE WITH CEFOTAXIME: EXPLORING THE MECHANISM OF REMARK 900 BETA-LACTAM RING PROTONATION IN THE CLASS A BETA-LACTAMASE REMARK 900 ACYLATION MECHANISM USING NEUTRON AND X-RAY CRYSTALLOGRAPHY REMARK 900 RELATED ID: 5A93 RELATED DB: PDB REMARK 900 293K JOINT X-RAY NEUTRON WITH CEFOTAXIME: EXPLORING THE MECHANISM REMARK 900 OF BETA-LACTAM RING PROTONATION IN THE CLASS A BETA-LACTAMASE REMARK 900 ACYLATION MECHANISM USING NEUTRON AND X-RAY CRYSTALLOGRAPHY DBREF 5A91 A 26 290 UNP Q47066 BLT1_ECOLX 30 291 SEQADV 5A91 ALA A 166 UNP Q47066 GLU 169 ENGINEERED MUTATION SEQADV 5A91 ASN A 274 UNP Q47066 ARG 275 ENGINEERED MUTATION SEQADV 5A91 ASN A 276 UNP Q47066 ARG 277 ENGINEERED MUTATION SEQRES 1 A 262 ALA ASN SER VAL GLN GLN GLN LEU GLU ALA LEU GLU LYS SEQRES 2 A 262 SER SER GLY GLY ARG LEU GLY VAL ALA LEU ILE ASN THR SEQRES 3 A 262 ALA ASP ASN SER GLN ILE LEU TYR ARG ALA ASP GLU ARG SEQRES 4 A 262 PHE ALA MET CYS SER THR SER LYS VAL MET ALA ALA ALA SEQRES 5 A 262 ALA VAL LEU LYS GLN SER GLU SER ASP LYS HIS LEU LEU SEQRES 6 A 262 ASN GLN ARG VAL GLU ILE LYS LYS SER ASP LEU VAL ASN SEQRES 7 A 262 TYR ASN PRO ILE ALA GLU LYS HIS VAL ASN GLY THR MET SEQRES 8 A 262 THR LEU ALA GLU LEU GLY ALA ALA ALA LEU GLN TYR SER SEQRES 9 A 262 ASP ASN THR ALA MET ASN LYS LEU ILE ALA HIS LEU GLY SEQRES 10 A 262 GLY PRO ASP LYS VAL THR ALA PHE ALA ARG SER LEU GLY SEQRES 11 A 262 ASP GLU THR PHE ARG LEU ASP ARG THR ALA PRO THR LEU SEQRES 12 A 262 ASN THR ALA ILE PRO GLY ASP PRO ARG ASP THR THR THR SEQRES 13 A 262 PRO LEU ALA MET ALA GLN THR LEU LYS ASN LEU THR LEU SEQRES 14 A 262 GLY LYS ALA LEU ALA GLU THR GLN ARG ALA GLN LEU VAL SEQRES 15 A 262 THR TRP LEU LYS GLY ASN THR THR GLY SER ALA SER ILE SEQRES 16 A 262 ARG ALA GLY LEU PRO LYS SER TRP VAL VAL GLY ASP LYS SEQRES 17 A 262 THR GLY SER GLY ASP TYR GLY THR THR ASN ASP ILE ALA SEQRES 18 A 262 VAL ILE TRP PRO GLU ASN HIS ALA PRO LEU VAL LEU VAL SEQRES 19 A 262 THR TYR PHE THR GLN PRO GLU GLN LYS ALA GLU ASN ARG SEQRES 20 A 262 ASN ASP ILE LEU ALA ALA ALA ALA LYS ILE VAL THR HIS SEQRES 21 A 262 GLY PHE HET SO4 A1291 5 HET SO4 A1292 5 HET SO4 A1293 5 HET SO4 A1294 5 HET SO4 A1295 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 5(O4 S 2-) FORMUL 7 HOH *442(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 LYS A 98 LEU A 102 5 5 HELIX 5 5 ILE A 108 VAL A 113 5 6 HELIX 6 6 LEU A 119 TYR A 129 1 11 HELIX 7 7 ASP A 131 GLY A 143 1 13 HELIX 8 8 GLY A 144 LEU A 155 1 12 HELIX 9 9 PRO A 167 THR A 171 5 5 HELIX 10 10 THR A 182 GLY A 196 1 15 HELIX 11 11 ALA A 200 GLY A 213 1 14 HELIX 12 12 SER A 220 LEU A 225 5 6 HELIX 13 13 ARG A 275 HIS A 288 1 14 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 N THR A 244 O 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 ALA A 166 PRO A 167 0 3.11 SITE 1 AC1 9 SER A 70 SER A 130 LYS A 234 THR A 235 SITE 2 AC1 9 GLY A 236 SER A 237 HOH A2118 HOH A2209 SITE 3 AC1 9 HOH A2439 SITE 1 AC2 9 TRP A 229 PRO A 252 GLU A 254 ASN A 255 SITE 2 AC2 9 HIS A 256 PHE A 290 HOH A2410 HOH A2438 SITE 3 AC2 9 HOH A2440 SITE 1 AC3 12 LYS A 82 ALA A 198 ASN A 274 ASN A 276 SITE 2 AC3 12 ASP A 277 HOH A2127 HOH A2323 HOH A2325 SITE 3 AC3 12 HOH A2370 HOH A2422 HOH A2427 HOH A2441 SITE 1 AC4 6 LYS A 88 HIS A 89 ASN A 92 HOH A2154 SITE 2 AC4 6 HOH A2157 HOH A2442 SITE 1 AC5 7 ALA A 52 ARG A 178 HOH A2054 HOH A2293 SITE 2 AC5 7 HOH A2313 HOH A2408 HOH A2409 CRYST1 72.398 72.398 97.198 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 0.013813 0.007975 0.000000 0.00000 SCALE2 0.000000 0.015949 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010288 0.00000