Annotations: 4AXI

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	BMC	e4axiA1	A: a+b two layers	X: Alpha-beta plaits	H: CcmK-like (From Topology)	T: CcmK-like	F: BMC	ECOD (1.6)
B	BMC	e4axiB2	A: a+b two layers	X: Alpha-beta plaits	H: CcmK-like (From Topology)	T: CcmK-like	F: BMC	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.1710	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	BMC (bacterial microcompartment) domain	CATH (4.3.0)
B	3.30.70.1710	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	BMC (bacterial microcompartment) domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00936	BMC domain (BMC)	BMC domain	Bacterial microcompartments are primitive organelles composed entirely of protein subunits. The prototypical bacterial microcompartment is the carboxysome, a protein shell for sequestering carbon fixation reactions. These proteins for hexameric struc ...	Bacterial microcompartments are primitive organelles composed entirely of protein subunits. The prototypical bacterial microcompartment is the carboxysome, a protein shell for sequestering carbon fixation reactions. These proteins for hexameric structure [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ETHANOLAMINE CARBOXYSOME STRUCTURAL PROTEIN	-	ethanolamine catabolic process catabolic process alcohol catabolic process primary alcohol catabolic process ethanolamine-containing compound metabolic process alcohol metabolic process primary amino compound metabolic process biogenic amine catabolic process amine metabolic process primary amino compound catabolic process ethanolamine metabolic process metabolic process cellular process small molecule metabolic process ethanolamine catabolic process catabolic process alcohol catabolic process primary alcohol catabolic process ethanolamine-containing compound metabolic process alcohol metabolic process primary amino compound metabolic process biogenic amine catabolic process amine metabolic process primary amino compound catabolic process ethanolamine metabolic process metabolic process cellular process small molecule metabolic process small molecule catabolic process biogenic amine metabolic process amine catabolic process primary alcohol metabolic process	intracellular organelle bacterial microcompartment cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR009307	Bacterial microcompartment shell protein EutS/PduU/CutR	Family
A, B	IPR000249	Bacterial microcompartment domain	Domain
A, B	IPR044870	Bacterial microcompartment (BMC) circularly permuted domain	Domain
A, B	IPR037233	CcmK-like superfamily	Homologous Superfamily

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.