SUPERFAMILY 1.73 HMM library and genome assignments server


beta-lactamase/transpeptidase-like superfamily

SCOP classification
Root:   SCOP hierarchy in SUPERFAMILY [ 0] (11)
Class:   Multi-domain proteins (alpha and beta) [ 56572] (53)
  Folds consisting of two or more domains belonging to different classes
Fold:   beta-lactamase/transpeptidase-like [ 56600]
  contains a cluster of helices and an alpha+beta sandwich
Superfamily:   beta-lactamase/transpeptidase-like [ 56601] (3)
Families:   beta-Lactamase/D-ala carboxypeptidase [ 56602] (16)
  Glutaminase [ 90084] (2)
  Pfam 04960
  Dac-like [ 144040] (3)
  Pfam 02113; D-Ala-D-Ala carboxypeptidase 3 (S13) family; contains a large insertion comprising two subdomains: (d1) aplha+beta with topological similarity to one subunit of the DTD-like family (scop_fa 69501) and (d2) six-stranded beta-sandwich with a crossed-loop topology


Superfamily statistics
Genomes (1,115) UniProt 15.0 PDB chains (SCOP 1.73)
Domains 11,530 18,517 102
Proteins 11,485 18,461 102


Functional annotation
General category Metabolism
Detailed category Other enzymes

Function annotation of SCOP domain superfamilies
InterPro annotation
Cross references IPR012338 SSF56601 Protein matches
Abstract

This entry represents a beta-lactamase structural motif, which contins a cluster of alpha-helices and an alpha/beta sandwich. In addition to beta-lactamases, this domain is also found in D-ala carboxypeptidase/transpeptidase, esterase (EstB) [PubMed11847270], the penicillin receptor BlaR (C-terminal domain), D-aminopeptidase (N-terminal domain) [PubMed10986464], penicillin-biding proteins (e.g. PBP2x, PBP5), and in glutaminase (GlnA). Beta-lactamases are the most common bacterial resistance mechanism against beta-lactam antibiotics [PubMed12945052]. Beta-lactamases appear to have evolved from DD-transpeptidases, which are penicillin-binding proteins involved in cell wall biosynthesis, and as such are one of the main targets of beta-lactam antibiotics.


InterPro database

PDBeMotif information about ligands, sequence and structure motifs
Cross references PDB entries
Ligand binding statistics
Nucleic-acid binding statistics
Occurrence of secondary structure elements
Occurrence of small 3D structural motifs

PDBeMotif resource

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Internal database links

Browse genome assignments for this superfamily. The SUPERFAMILY hidden Markov model library has been used to carry out SCOP domain assignments to all genomes at the superfamily level.


Alignments of sequences to 41 models in this superfamily are available by clicking on the 'Alignments' icon above. PDB sequences less than 40% identical are shown by default, but any other sequence(s) may be aligned. Select PDB sequences, genome sequences, or paste in or upload your own sequences.


Browse and view proteins in genomes which have different domain combinations including a beta-lactamase/transpeptidase-like domain.


Examine the distribution of domain superfamilies, or families, across the major taxonomic kingdoms or genomes within a kingdom. This gives an immediate impression of how superfamilies, or families, are restricted to certain kingdoms of life.


Explore domain occurrence network where nodes represent genomes and edges are domain architectures (shared between genomes) containing the superfamily of interest.

There are 41 hidden Markov models representing the beta-lactamase/transpeptidase-like superfamily. Information on how the models are built, and plots showing hydrophobicity, match emmission probabilities and insertion/deletion probabilities can be inspected.


Jump to [ Top of page · SCOP classification · InterPro annotation · PDBeMotif links · Functional annotation · Internal database links ]