Annotations: 7U4B

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	fn3	e7u4bC1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (v294.2)
B	fn3	e7u4bB1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (v294.2)
A	fn3	e7u4bA1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (v294.2)

Chains	Accession	Gene Family	Drug Class	Resistance Machanism	Provenance Source (Version)
A, B, C	ARO:3000016	CTX-M beta-lactamase	cephalosporin, penicillin beta-lactam	antibiotic inactivation	CARD (4.0.1)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Beta-lactamase	beta-lactamase activity hydrolase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amides catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	antibiotic metabolic process beta-lactam antibiotic catabolic process catabolic process lactam catabolic process metabolic process cellular process small molecule metabolic process antibiotic catabolic process lactam metabolic process response to stimulus response to chemical response to antibiotic	cellular anatomical structure extracellular region

Chains	Accession	Name	Type
A, B, C	IPR045155	Beta-lactamase class A, catalytic domain	Domain
A, B, C	IPR058131	Beta-lactamase CTX-M	Family
A, B, C	IPR012338	Beta-lactamase/transpeptidase-like	Homologous Superfamily
A, B, C	IPR000871	Beta-lactamase, class-A	Family
A, B, C	IPR023650	Beta-lactamase, class-A active site	Active Site

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

7U4B | pdb_00007u4b