Annotations: 3S0T

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF05946	e3s0tA1	A: a+b two layers	X: Pili subunits (From Topology)	H: Pili subunits (From Topology)	T: Pili subunits	F: PF05946	ECOD (1.6)
B	PF05946	e3s0tB1	A: a+b two layers	X: Pili subunits (From Topology)	H: Pili subunits (From Topology)	T: Pili subunits	F: PF05946	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.1690.10	Alpha Beta	2-Layer Sandwich	TcpA-like pilin	TcpA-like pilin	CATH (4.3.0)
B	3.30.1690.10	Alpha Beta	2-Layer Sandwich	TcpA-like pilin	TcpA-like pilin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF05946	Toxin-coregulated pilus subunit TcpA (TcpA)	Toxin-coregulated pilus subunit TcpA	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	CFA/III pilin	-	-	membrane cellular anatomical entity pilus cell projection extracellular organelle extracellular region organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR012902	Prokaryotic N-terminal methylation site	PTM
A, B	IPR010271	Toxin-coregulated pilus subunit TcpA	Family
A, B	IPR045584	Pilin-like	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 R01GM133198.