HEADER HYDROLASE 07-AUG-08 2ZQA TITLE CEFOTAXIME ACYL-INTERMEDIATE STRUCTURE OF CLASS A BETA-LACTA TOHO-1 TITLE 2 E166A/R274N/R276N TRIPLE MUTANT 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; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PUC119 KEYWDS EXTENDED-SPECTRUM, ESBL, BETA-LACTAMASE, ACYL-ENZYME, COMPLEX, KEYWDS 2 CEFOTAXIME, TOHO-1, HYDROLASE, ANTIBIOTIC RESISTANCE EXPDTA X-RAY DIFFRACTION AUTHOR Y.NITANAI,T.SHIMAMURA,T.UCHIYAMA,Y.ISHII,M.TAKEHIRA,K.YUTANI, AUTHOR 2 H.MATSUZAWA,M.MIYANO REVDAT 5 23-OCT-24 2ZQA 1 REMARK REVDAT 4 01-NOV-23 2ZQA 1 REMARK SEQADV LINK REVDAT 3 19-SEP-18 2ZQA 1 COMPND REMARK HET HETNAM REVDAT 3 2 1 HETSYN FORMUL LINK ATOM REVDAT 2 24-AUG-11 2ZQA 1 FORMUL HETNAM VERSN REVDAT 1 28-JUL-09 2ZQA 0 JRNL AUTH Y.NITANAI,T.SHIMAMURA,T.UCHIYAMA,Y.ISHII,M.TAKEHIRA,K.YUTAN, JRNL AUTH 2 H.MATSUZAWA,M.MIYANO JRNL TITL STRUCTURAL BASIS OF EXTEND SPECTRUM BETA-LACTAMASE IN JRNL TITL 2 CORRELATION OF ENZYMATIC KINETICS AND THERMAL STABILITY OF JRNL TITL 3 ACYL-INTERMEDIATES JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 0.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 177014 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.136 REMARK 3 R VALUE (WORKING SET) : 0.135 REMARK 3 FREE R VALUE : 0.145 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 9369 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 0.95 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 0.98 REMARK 3 REFLECTION IN BIN (WORKING SET) : 12535 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.27 REMARK 3 BIN R VALUE (WORKING SET) : 0.1400 REMARK 3 BIN FREE R VALUE SET COUNT : 644 REMARK 3 BIN FREE R VALUE : 0.1550 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1966 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 46 REMARK 3 SOLVENT ATOMS : 391 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.14000 REMARK 3 B22 (A**2) : -0.14000 REMARK 3 B33 (A**2) : 0.22000 REMARK 3 B12 (A**2) : -0.07000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.018 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.018 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.009 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.331 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.973 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.969 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2364 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3240 ; 1.539 ; 1.990 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 317 ; 6.469 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 102 ;38.066 ;25.294 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 407 ;10.361 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 14 ;12.815 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 368 ; 0.088 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1799 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1123 ; 0.206 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1538 ; 0.306 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 273 ; 0.121 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 77 ; 0.170 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 50 ; 0.127 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1506 ; 1.171 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2386 ; 1.700 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 939 ; 2.153 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 842 ; 3.072 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 2445 ; 0.994 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 462 ; 4.684 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 2314 ; 4.155 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2ZQA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-AUG-08. REMARK 100 THE DEPOSITION ID IS D_1000028290. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-DEC-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL26B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS V REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 186625 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.950 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 10.30 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.8800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.7 REMARK 200 DATA REDUNDANCY IN SHELL : 6.70 REMARK 200 R MERGE FOR SHELL (I) : 0.39200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.770 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 2ZQ7 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.34 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.95-2.10M AMMONIUM SULFATE, 0.2M REMARK 280 SODIUM CITRATE, PH5.50, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K 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 65.30667 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 32.65333 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 32.65333 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 65.30667 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 A 302 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASN A 27 CG OD1 ND2 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 -141.16 51.09 REMARK 500 VAL A 103 -140.22 -123.06 REMARK 500 VAL A 103 -124.74 -123.06 REMARK 500 TYR A 105 115.25 -161.70 REMARK 500 ASN A 106 60.96 -165.74 REMARK 500 ASN A 114 -7.48 79.76 REMARK 500 ALA A 198 -45.26 -147.29 REMARK 500 SER A 220 -128.16 -100.92 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 302 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PCZ A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ZQ7 RELATED DB: PDB REMARK 900 APO STRUCTURE OF TOHO-1 E166A/R274N/R276N TRIPLE MUTANT REMARK 900 RELATED ID: 2ZQ8 RELATED DB: PDB REMARK 900 APO STRUCTURE OF TOHO-1 R274N/R276N DOUBLE MUTANT REMARK 900 RELATED ID: 2ZQ9 RELATED DB: PDB REMARK 900 CEPHALOTHIN ACYL-INTERMEDIATE STRUCTURE OF TOHO-1 E166A/R274N/R276N REMARK 900 TRIPLE MUTANT REMARK 900 RELATED ID: 2ZQC RELATED DB: PDB REMARK 900 AZTREONAM ACYL-INTERMEDIATE STRUCTURE OF TOHO-1 E166A/R274N/R276N REMARK 900 TRIPLE MUTANT REMARK 900 RELATED ID: 2ZQD RELATED DB: PDB REMARK 900 CEFTAZIDIME ACYL-INTERMEDIATE STRUCTURE OF TOHO-1 E166A/R274N/R276N REMARK 900 TRIPLE MUTANT DBREF 2ZQA A 26 290 UNP Q47066 BLT1_ECOLX 30 291 SEQADV 2ZQA ALA A 166 UNP Q47066 GLU 169 ENGINEERED MUTATION SEQADV 2ZQA ASN A 274 UNP Q47066 ARG 275 ENGINEERED MUTATION SEQADV 2ZQA 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 CEF A 301 42 HET SO4 A 1 5 HET SO4 A 2 5 HET SO4 A 3 5 HET SO4 A 5 5 HETNAM CEF CEFOTAXIME, C3' CLEAVED, OPEN, BOUND FORM HETNAM SO4 SULFATE ION FORMUL 2 CEF C14 H15 N5 O5 S2 FORMUL 3 SO4 4(O4 S 2-) FORMUL 7 HOH *391(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 SER A 130 1 12 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 A 5 GLN A 56 TYR A 60 0 SHEET 2 A 5 ARG A 43 ASN A 50 -1 N VAL A 46 O TYR A 60 SHEET 3 A 5 LEU A 259 THR A 266 -1 O TYR A 264 N GLY A 45 SHEET 4 A 5 THR A 244 TRP A 251 -1 N ILE A 250 O LEU A 259 SHEET 5 A 5 VAL A 230 SER A 237 -1 N VAL A 230 O TRP A 251 SHEET 1 B 2 PHE A 66 ALA A 67 0 SHEET 2 B 2 THR A 180 THR A 181 -1 O THR A 181 N PHE A 66 SHEET 1 C 2 ARG A 94 GLU A 96 0 SHEET 2 C 2 THR A 116 THR A 118 -1 O MET A 117 N VAL A 95 LINK OG SER A 70 C8 CEF A 301 1555 1555 1.34 CISPEP 1 ALA A 166 PRO A 167 0 2.71 SITE 1 AC1 21 CYS A 69 SER A 70 ASN A 104 TYR A 105 SITE 2 AC1 21 SER A 130 ASN A 132 PRO A 167 ASN A 170 SITE 3 AC1 21 LYS A 234 THR A 235 GLY A 236 SER A 237 SITE 4 AC1 21 GLY A 238 ASP A 240 ASN A 274 HOH A 332 SITE 5 AC1 21 HOH A 382 HOH A 524 HOH A 609 HOH A 611 SITE 6 AC1 21 HOH A 628 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 A 590 HOH A 606 SITE 3 AC2 9 HOH A 608 SITE 1 AC3 12 LYS A 82 ALA A 198 ARG A 275 ASN A 276 SITE 2 AC3 12 ASP A 277 HOH A 378 HOH A 396 HOH A 428 SITE 3 AC3 12 HOH A 440 HOH A 449 HOH A 452 HOH A 531 SITE 1 AC4 6 ALA A 52 ARG A 178 HOH A 340 HOH A 365 SITE 2 AC4 6 HOH A 430 HOH A 638 SITE 1 AC5 5 LYS A 88 HIS A 89 ASN A 92 HOH A 339 SITE 2 AC5 5 HOH A 398 CRYST1 72.522 72.522 97.960 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 0.013789 0.007961 0.000000 0.00000 SCALE2 0.000000 0.015922 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010208 0.00000