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2ZQ9

Cephalothin acyl-intermediate structure of class a beta-lactamase Toho-1 E166A/R274N/R276N triple mutant

Functional Information from GO Data
ChainGOidnamespacecontents
A0008800molecular_functionbeta-lactamase activity
A0016787molecular_functionhydrolase activity
A0017001biological_processantibiotic catabolic process
A0030655biological_processbeta-lactam antibiotic catabolic process
A0046677biological_processresponse to antibiotic
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 1
ChainResidue
ATRP229
APRO252
AGLU254
AASN255
AHIS256
AHOH562
AHOH573
AHOH589

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 3
ChainResidue
AARG178
AHOH340
AHOH364
AHOH428
AALA52

site_idAC3
Number of Residues17
DetailsBINDING SITE FOR RESIDUE CEO A 301
ChainResidue
ACYS69
ASER70
AASN104
ATYR105
ASER130
AASN132
APRO167
AASN170
ALYS234
ATHR235
AGLY236
ASER237
AASP240
AHOH332
AHOH381
AHOH608
AHOH653

site_idAC4
Number of Residues29
DetailsBINDING SITE FOR RESIDUE CLS A 11
ChainResidue
AGLY41
AGLY42
ALYS82
ALEU155
AGLY196
ALYS197
AALA198
ALEU199
AALA200
AGLN267
APRO268
AGLU273
AASN274
AARG275
AASN276
AASP277
AHOH334
AHOH375
AHOH394
AHOH399
AHOH402
AHOH426
AHOH430
AHOH440
AHOH443
AHOH609
AHOH645
AHOH650
AHOH651

site_idAC5
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SPA A 21
ChainResidue
AGLU96
AILE97
AASN114
AGLY115
AALA140
AHIS141
AGLY143
AHOH438
AHOH457
AHOH461

Functional Information from PROSITE/UniProt
site_idPS00146
Number of Residues16
DetailsBETA_LACTAMASE_A Beta-lactamase class-A active site. FaMCSTsKvmaAAAVL
ChainResidueDetails
APHE66-LEU81

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Acyl-ester intermediate
ChainResidueDetails
ASER70

site_idSWS_FT_FI2
Number of Residues1
DetailsBINDING:
ChainResidueDetails
ALYS234

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1btl
ChainResidueDetails
AALA166
ALYS73
ASER130
ASER70

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PDB entries from 2024-07-24

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