Annotations: 3FCG

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00577	e3fcgA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00577	ECOD (1.6)
B	PF00577	e3fcgB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00577	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.3110	Mainly Beta	Sandwich	Immunoglobulin-like	Outer membrane usher protein	CATH (4.3.0)
B	2.60.40.3110	Mainly Beta	Sandwich	Immunoglobulin-like	Outer membrane usher protein	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00577	Outer membrane usher protein (Usher)	Outer membrane usher protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	F1 capsule-anchoring protein	wide pore channel activity passive transmembrane transporter activity channel activity porin activity fimbrial usher porin activity transporter activity transmembrane transporter activity	cellular component biogenesis cellular component organization cellular component assembly cell projection organization cellular process pilus assembly cellular component organization or biogenesis pilus organization cell projection assembly	cell periphery cell outer membrane external encapsulating structure membrane cell envelope outer membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR042186	Outer membrane usher protein FimD, plug domain	Homologous Superfamily
A, B	IPR037224	PapC, N-terminal domain superfamily	Homologous Superfamily
A, B	IPR018030	Fimbrial membrane usher, conserved site	Conserved Site
A, B	IPR025885	PapC, N-terminal domain	Domain
A, B	IPR043142	PapC-like, C-terminal domain superfamily	Homologous Superfamily
A, B	IPR025949	PapC-like, C-terminal domain	Domain
A, B	IPR000015	Outer membrane usher protein	Family

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.