Structure of PDB 1a8t Chain A

Receptor sequence
>1a8tA (length=230) Species: 817 (Bacteroides fragilis) [Search protein sequence]
AQKSVKISDDISITQLSDKVYTYVSLAEIEGWGMVPSNGMIVINNHQAAL
LDTPINDAQTEMLVNWVTDSLHAKVTTFIPNHWHGDCIGGLGYLQRKGVQ
SYANQMTIDLAKEKGLPVPEHGFTDSLTVSLDGMPLQCYYLGGGHATDNI
VVWLPTENILFGGCMLKDNQTTSIGNISDADVTAWPKTLDKVKAKFPSAR
YVVPGHGNYGGTELIEHTKQIVNQYIESTS
3D structure
PDB1a8t Antibiotic sensitization using biphenyl tetrazoles as potent inhibitors of Bacteroides fragilis metallo-beta-lactamase.
ChainA
Resolution2.55 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H82 H84 D86 H145 C164 K167 N176 H206
Catalytic site (residue number reindexed from 1) H82 H84 D86 H145 C164 K167 N176 H206
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 A H82 H84 H145 H82 H84 H145
BS02 ZN A D86 H206 D86 H206
BS03 061 A I29 W32 V35 H145 C164 D168 N176 H206 G207 I29 W32 V35 H145 C164 D168 N176 H206 G207 PDBbind-CN: -logKd/Ki=5.80,Ki=1.6uM
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)

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