Structure of PDB 4fh2 Chain A Binding Site BS03

Receptor Information
>4fh2 Chain A (length=265) Species: 573 (Klebsiella pneumoniae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SPQPLEQIKLSESQLSGRVGMIEMDLASGRTLTAWRADERFPMMCTFKVV
LCGAVLARVDAGDEQLERKIHYRQQDLVDYSPVSEKHLADGMTVGELCAA
AITMSDNSAANLLLATVGGPAGLTAFLRQIGDNVTRLDRWETELNEALPG
DARDTTTPASMAATLRKLLTSQRLSARSQRQLLQWMVDDRVAGPLIRSVL
PAGWFIADKTGAGERGARGIVALLGPNNKAERIVVIYLRDTPASMAERNQ
QIAGIGAALIEHWQR
Ligand information
Ligand ID0RN
InChIInChI=1S/C8H11NO5S/c1-8(2)6(7(11)12)9-4(10)3-5(9)15(8,13)14/h5-6H,3H2,1-2H3,(H,11,12)/t5-,6+/m1/s1
InChIKeyFKENQMMABCRJMK-RITPCOANSA-N
SMILES
SoftwareSMILES
CACTVS 3.370CC1(C)[C@@H](N2[C@@H](CC2=O)[S]1(=O)=O)C(O)=O
OpenEye OEToolkits 1.7.6CC1(C(N2C(S1(=O)=O)CC2=O)C(=O)O)C
CACTVS 3.370CC1(C)[CH](N2[CH](CC2=O)[S]1(=O)=O)C(O)=O
OpenEye OEToolkits 1.7.6CC1([C@@H](N2[C@H](S1(=O)=O)CC2=O)C(=O)O)C
ACDLabs 12.01O=S2(=O)C(C(N1C(=O)CC12)C(=O)O)(C)C
FormulaC8 H11 N O5 S
NameSULBACTAM;
(2S,5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide
ChEMBLCHEMBL403
DrugBankDB09324
ZINCZINC000000897244
PDB chain4fh2 Chain A Residue 303 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4fh2 Crystal structure of a pre-acylation complex of the beta-lactamase inhibitor, sulbactam, bound to a sulfenamide bond containing thiol-beta-lactamase
Resolution1.44 Å
Binding residue
(original residue number in PDB)
C70 S130 V216 T235 A237
Binding residue
(residue number reindexed from 1)
C45 S105 V191 T210 A212
Annotation score1
Binding affinityBindingDB: Ki=1.5e+3nM,IC50=3.4e+3nM
Enzymatic activity
Catalytic site (original residue number in PDB) C70 K73 S130 E166 K234 A237
Catalytic site (residue number reindexed from 1) C45 K48 S105 E141 K209 A212
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:0030655 beta-lactam antibiotic catabolic process
GO:0046677 response to antibiotic

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Molecular Function

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Biological Process
External links
PDB RCSB:4fh2, PDBe:4fh2, PDBj:4fh2
PDBsum4fh2
PubMed22974281
UniProtP0AD64|BLA1_KLEPN Beta-lactamase SHV-1 (Gene Name=bla)

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