CATH Classification

Domain Context

CATH Clusters

Superfamily DD-peptidase/beta-lactamase superfamily
Functional Family

Enzyme Information

3.5.2.6
Beta-lactamase.
based on mapping to UniProt Q47066
A beta-lactam + H(2)O = a substituted beta-amino acid.
-!- Zinc is only requires in class-B enzymes. -!- A group of enzymes of varying specificity hydrolyzing beta-lactams; some act more rapidly on penicillins, some more rapidly on cephalosporins. -!- Formerly EC 3.5.2.8.

UniProtKB Entries (1)

Q47066
BLT1_ECOLX
Escherichia coli
Beta-lactamase Toho-1

PDB Structure

PDB 2XQZ
External Links
Method NEUTRON DIFFRACTION
Organism
Primary Citation
The Active Site Protonation States of Perdeuterated Toho-1 Beta-Lactamase Determined by Neutron Diffraction Support a Role for Glu166 as the General Base in Acylation.
Tomanicek, S.J., Wang, K.K., Weiss, K.L., Blakeley, M.P., Cooper, J., Chen, Y., Coates, L.
FEBS Lett.