Annotations: 3KWE

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3kwea_	All beta proteins	Single-stranded left-handed beta-helix	Trimeric LpxA-like enzymes	automated matches	automated matches	(Thermosynechococcus vestitus BP-1 ) [TaxId: 197221 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Hexapep_2_1	e3kweA1	A: beta duplicates or obligate multimers	X: Single-stranded left-handed beta-helix	H: Trimeric LpxA-like enzymes (From Topology)	T: Trimeric LpxA-like enzymes	F: Hexapep_2_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.160.10.10	Mainly Beta	3 Solenoid	UDP N-Acetylglucosamine Acyltransferase	domain 1	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Carbon dioxide concentrating mechanism protein	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 structural molecule activity structural constituent of carboxysome shell	photosynthesis cellular metabolic process metabolic process cellular process organic substance metabolic process carbon fixation	intracellular organelle bacterial microcompartment intracellular anatomical structure organelle carboxysome intracellular non-membrane-bounded organelle cellular anatomical entity non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036385	Ribulose bisphosphate carboxylase, small subunit superfamily	Homologous Superfamily
A	IPR011004	Trimeric LpxA-like superfamily	Homologous Superfamily
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 National Science Foundation (DBI-1832184), 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 R01GM133198.