Structure of PDB 1fr6 Chain A Binding Site BS01

Receptor Information
>1fr6 Chain A (length=361) Species: 546 (Citrobacter freundii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AAKTEQQIADIVNRTITPLMQEQAIPGMAVAIIYQGKPYYFTWGKADIAN
NRPVTQQTLFELGSVSKTFNGVLGGDAIARGEIKLSDPVTQYWPELTGKQ
WQGISLLHLATYTAGGLPLQVPDDVTDKAALLRFYQNWQPQWAPGAKRLY
ANSSIGLFGALAVKPSGMSYEEAMSKRVLHPLKLAHTWITVPQSEQKDYA
WGYREGKPVHVSPGQLDAEAYGVKSSVIDMTRWVQANMDASQVQEKTLQQ
GIELAQSRYWRIGDMYQGLGWEMLNWPVKADSIISGSDSKVALAALPAVE
VNPPAPAVKASWVHKTGSTGGFGSYVAFVPEKNLGIVMLANKSYPNPVRV
EAAWRILEKLQ
Ligand information
Ligand IDAZR
InChIInChI=1S/C13H19N5O8S2/c1-6(18-28(23,24)25)7(4-19)15-10(20)9(8-5-27-12(14)16-8)17-26-13(2,3)11(21)22/h4-7,18H,1-3H3,(H2,14,16)(H,15,20)(H,21,22)(H,23,24,25)/b17-9-/t6-,7+/m0/s1
InChIKeyOEVQTUTXOVDNJO-GEEOIBTQSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6C[C@@H]([C@@H](C=O)NC(=O)/C(=N\OC(C)(C)C(=O)O)/c1csc(n1)N)NS(=O)(=O)O
CACTVS 3.370C[CH](N[S](O)(=O)=O)[CH](NC(=O)C(=NOC(C)(C)C(O)=O)c1csc(N)n1)C=O
ACDLabs 12.01O=S(=O)(O)NC(C)C(C=O)NC(=O)C(=N\OC(C(=O)O)(C)C)/c1nc(sc1)N
OpenEye OEToolkits 1.7.6CC(C(C=O)NC(=O)C(=NOC(C)(C)C(=O)O)c1csc(n1)N)NS(=O)(=O)O
CACTVS 3.370C[C@H](N[S](O)(=O)=O)[C@H](NC(=O)\C(=N/OC(C)(C)C(O)=O)c1csc(N)n1)C=O
FormulaC13 H19 N5 O8 S2
Name2-({[(1Z)-1-(2-amino-1,3-thiazol-4-yl)-2-oxo-2-{[(2S,3S)-1-oxo-3-(sulfoamino)butan-2-yl]amino}ethylidene]amino}oxy)-2-methylpropanoic acid;
AZTREONAM, open form
ChEMBL
DrugBank
ZINCZINC000015542371
PDB chain1fr6 Chain A Residue 362 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1fr6 Refined crystal structure of beta-lactamase from Citrobacter freundii indicates a mechanism for beta-lactam hydrolysis.
Resolution2.5 Å
Binding residue
(original residue number in PDB)
S64 Q120 Y150 N152 Y221 T316 G317 S318 T319
Binding residue
(residue number reindexed from 1)
S64 Q120 Y150 N152 Y221 T316 G317 S318 T319
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S64 K67 G116 P118 V121 Y150 G156 E272 K315 S318
Catalytic site (residue number reindexed from 1) S64 K67 G116 P118 V121 Y150 G156 E272 K315 S318
Enzyme Commision number 3.5.2.6: beta-lactamase.
Gene Ontology
Molecular Function
GO:0008800 beta-lactamase activity
GO:0016787 hydrolase activity
Biological Process
GO:0017001 antibiotic catabolic process
GO:0046677 response to antibiotic
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1fr6, PDBe:1fr6, PDBj:1fr6
PDBsum1fr6
PubMed2300174
UniProtQ46041

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