Annotations: 3FIP

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	tRNA-synt_His	e3fipB1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: tRNA-synt_His	ECOD (v295.2)
A	Usher	e3fipA1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Usher	ECOD (v295.2)
A	Rieske	e3fipA2	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Rieske	ECOD (v295.2)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Outer membrane usher protein papC	wide pore channel activity passive transmembrane transporter activity channel activity porin activity fimbrial usher porin activity transporter activity transmembrane transporter activity identical protein binding protein binding binding	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 outer membrane cellular anatomical structure external encapsulating structure extracellular region membrane cell envelope outer membrane

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