Annotations: 7O54

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Secretin_N	e7o54A1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Secretin_N	ECOD (v294.2)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Carbonic anhydrase	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding carbonate dehydratase activity hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity	carbon utilization response to nutrient levels response to stimulus photosynthesis metabolic process cellular process carbon fixation	intracellular organelle bacterial microcompartment cellular anatomical structure intracellular anatomical structure organelle carboxysome membraneless organelle intracellular membraneless organelle
A	Carboxysome assembly protein CcmM	structural molecule activity structural constituent of carboxysome shell	photosynthesis metabolic process cellular process carbon fixation	intracellular organelle bacterial microcompartment cellular anatomical structure intracellular anatomical structure organelle carboxysome membraneless organelle intracellular membraneless organelle

Chains	Accession	Name	Type
B	IPR001765	Carbonic anhydrase	Family
B	IPR045066	Beta carbonic anhydrases, cladeB	Family
B	IPR015892	Carbonic anhydrase, prokaryotic-like, conserved site	Conserved Site
B	IPR036874	Carbonic anhydrase superfamily	Homologous Superfamily
A	IPR036385	Ribulose bisphosphate carboxylase, small subunit superfamily	Homologous Superfamily
A	IPR011004	Trimeric LpxA-like superfamily	Homologous Superfamily
A	IPR052265	Gamma-class Carbonic Anhydrase	Family
A	IPR047223	Carbonic anhydrase, gamma-class, LbH domain	Domain
A	IPR017156	Carboxysome assembly protein CcmM	Family
A	IPR000894	Ribulose bisphosphate carboxylase small subunit, domain	Domain

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.

7O54 | pdb_00007o54