Structure of PDB 1a8t Chain B

Receptor sequence
>1a8tB (length=228) Species: 817 (Bacteroides fragilis) [Search protein sequence]
KSVKISDDISITQLSDKVYTYVSLAEIEGWGMVPSNGMIVINNHQAALLD
TPINDAQTEMLVNWVTDSLHAKVTTFIPNHWHGDCIGGLGYLQRKGVQSY
ANQMTIDLAKEKGLPVPEHGFTDSLTVSLDGMPLQCYYLGGGHATDNIVV
WLPTENILFGGCMLKDNQTTSIGNISDADVTAWPKTLDKVKAKFPSARYV
VPGHGNYGGTELIEHTKQIVNQYIESTS
3D structure
PDB1a8t Antibiotic sensitization using biphenyl tetrazoles as potent inhibitors of Bacteroides fragilis metallo-beta-lactamase.
ChainB
Resolution2.55 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) H82 H84 D86 H145 C164 K167 N176 H206
Catalytic site (residue number reindexed from 1) H80 H82 D84 H143 C162 K165 N174 H204
Enzyme Commision number 3.5.2.6: beta-lactamase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 ZN B H82 H84 H145 H80 H82 H143
BS02 ZN B D86 C164 H206 D84 C162 H204
Gene Ontology
Molecular Function
GO:0008270 zinc ion binding
GO:0008800 beta-lactamase activity
Biological Process
GO:0017001 antibiotic catabolic process

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1a8t, PDBe:1a8t, PDBj:1a8t
PDBsum1a8t
PubMed9545432
UniProtP25910|BLAB_BACFG Metallo-beta-lactamase type 2 (Gene Name=ccrA)

[Back to BioLiP]