Structure of PDB 1xpb Chain A Binding Site BS01

Receptor Information
>1xpb Chain A (length=263) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HPETLVKVKDAEDQLGARVGYIELDLNSGKILESFRPEERFPMMSTFKVL
LCGAVLSRVDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVRELCSA
AITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPN
DERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSAL
PAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNR
QIAEIGASLIKHW
Ligand information
Ligand IDSO4
InChIInChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)/p-2
InChIKeyQAOWNCQODCNURD-UHFFFAOYSA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0[O-]S(=O)(=O)[O-]
CACTVS 3.341[O-][S]([O-])(=O)=O
ACDLabs 10.04[O-]S([O-])(=O)=O
FormulaO4 S
NameSULFATE ION
ChEMBL
DrugBankDB14546
ZINC
PDB chain1xpb Chain A Residue 291 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1xpb TEM1 beta-lactamase structure solved by molecular replacement and refined structure of the S235A mutant.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		S130 S235 G236 A237
Binding residue
(residue number reindexed from 1)		S105 S210 G211 A212
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S70 K73 S130 E166 K234 A237
Catalytic site (residue number reindexed from 1) S45 K48 S105 E141 K209 A212
Enzyme Commision number 3.5.2.6: beta-lactamase.
Gene Ontology
Molecular Function
GO:0005515 protein binding
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

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1xpb, PDBe:1xpb, PDBj:1xpb
PDBsum1xpb
PubMed15299797
UniProtP62593|BLAT_ECOLX Beta-lactamase TEM (Gene Name=bla)

[Back to BioLiP]