Structure of PDB 4wbg Chain A Binding Site BS01

Receptor Information
>4wbg Chain A (length=347) Species: 573 (Klebsiella pneumoniae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DPLRPVVDASIQPLLKEHRIPGMAVAVLKDGKAHYFNYGVANRESGASVS
EQTLFEIGSVSKTLTATLGAYAVVKGAMQLDDKASRHAPWLKGSVFDSIT
MGELATYSAGGLPLQFPEEVDSSEKMRAYYRQWAPVYSPGSHRQYSNPSI
GLFGHLAASSLKQPFAQLMEQTLLPGLGMHHTYVNVPKQAMASYAYGYSK
EDKPIRVGMLADEAYGIKTSSADLLAFVKANIGGVDDKALQQAISLTHKG
HYSVGGMTQGLGWESYAYPVTEQTLLAGNSAKVILEANPTAAPRQVLFNK
TGSSNGFGAYVAFVPARGIGIVMLANRNYPIPARVKAAHAILAQLAG
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 chain4wbg Chain A Residue 1001 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4wbg Conformational Change Observed in the Active Site of Class C beta-Lactamase MOX-1 upon Binding to Aztreonam
Resolution1.9 Å
Binding residue
(original residue number in PDB)
S65 Q121 Y151 Y223 I292 T313 G314 S315
Binding residue
(residue number reindexed from 1)
S59 Q115 Y145 Y215 I284 T301 G302 S303
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=5.55,Ki=2.85uM
Enzymatic activity
Catalytic site (original residue number in PDB) S65 K68 M107 E109 F122 Y151 G157 E272 K312 S315
Catalytic site (residue number reindexed from 1) S59 K62 M101 E103 F116 Y145 G151 E264 K300 S303
Enzyme Commision number 3.5.2.6: beta-lactamase.
Gene Ontology
Molecular Function
GO:0008800 beta-lactamase activity
GO:0016787 hydrolase activity
GO:0046872 metal ion binding
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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Cellular Component
External links
PDB RCSB:4wbg, PDBe:4wbg, PDBj:4wbg
PDBsum4wbg
PubMed26055361
UniProtQ51578

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