Structure of PDB 1a7t Chain B

Receptor sequence
>1a7tB (length=227) Species: 817 (Bacteroides fragilis) [Search protein sequence]
SVKISDDISITQLSDKVYTYVSLAEIEGWGMVPSNGMIVINNHQAALLDT
PINDAQTEMLVNWVTDSLHAKVTTFIPNHWHGDCIGGLGYLQRKGVQSYA
NQMTIDLAKEKGLPVPEHGFTDSLTVSLDGMPLQCYYLGGGHATDNIVVW
LPTENILFGGCMLKDNQTTSIGNISDADVTAWPKTLDKVKAKFPSARYVV
PGHGNYGGTELIEHTKQIVNQYIESTS
3D structure
PDB1a7t Unanticipated inhibition of the metallo-beta-lactamase from Bacteroides fragilis by 4-morpholineethanesulfonic acid (MES): a crystallographic study at 1.85-A resolution.
ChainB
Resolution1.85 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) H79 H81 D83 H142 C161 K164 N173 H203
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 H79 H81 H142
BS02 ZN B D86 C164 H206 D83 C161 H203
Gene Ontology
Molecular Function
GO:0008270 zinc ion binding
GO:0008800 beta-lactamase activity
Biological Process
GO:0017001 antibiotic catabolic process

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Molecular Function
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Biological Process
External links
PDB RCSB:1a7t, PDBe:1a7t, PDBj:1a7t
PDBsum1a7t
PubMed9578564
UniProtP25910|BLAB_BACFG Metallo-beta-lactamase type 2 (Gene Name=ccrA)

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