Annotations: 8P97

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e8p97A1	A: beta barrels	X: Outer membrane meander beta-barrels	H: Porins	T: Ligand-gated protein channel	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF07715	e8p97A2	A: a+b complex topology	X: N0 domain in phage tail proteins and secretins-like	H: TonB-dependent receptor plug domain (From Topology)	T: TonB-dependent receptor plug domain	F: PF07715	ECOD (1.6)
B	PF16819	e8p97B1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 7-bladed	F: PF16819	ECOD (1.6)

Chains	Accession	Name	Description	Comments	Source
A	PF07715	TonB-dependent Receptor Plug Domain (Plug)	TonB-dependent Receptor Plug Domain	The Plug domain has been shown to be an independently folding subunit of the TonB-dependent receptors ([1]). It acts as the channel gate, blocking the pore until the channel is bound by ligand. At this point it under goes conformational changes opens ...	The Plug domain has been shown to be an independently folding subunit of the TonB-dependent receptors ([1]). It acts as the channel gate, blocking the pore until the channel is bound by ligand. At this point it under goes conformational changes opens the channel.	Domain
B	PF16819	Domain of unknown function (DUF5074) (DUF5074)	Domain of unknown function (DUF5074)	-	Repeat

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	TonB-dependent receptor	siderophore-iron transmembrane transporter activity siderophore uptake transmembrane transporter activity transporter activity transmembrane transporter activity	siderophore transport transport monoatomic ion transmembrane transport iron ion transport iron ion transmembrane transport inorganic ion transmembrane transport establishment of localization metal ion transport inorganic cation transmembrane transport siderophore transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization transition metal ion transport monoatomic ion transport siderophore transport transport monoatomic ion transmembrane transport iron ion transport iron ion transmembrane transport inorganic ion transmembrane transport establishment of localization metal ion transport inorganic cation transmembrane transport siderophore transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization transition metal ion transport monoatomic ion transport cellular process monoatomic cation transport iron coordination entity transport	cell periphery cell outer membrane external encapsulating structure membrane cell envelope outer membrane cellular anatomical entity
B	Putative surface layer protein	-	-	-

Chains	Accession	Name	Type
A	IPR039426	TonB-dependent receptor-like	Family
A	IPR037066	TonB-dependent receptor, plug domain superfamily	Homologous Superfamily
A	IPR036942	TonB-dependent receptor-like, beta-barrel domain superfamily	Homologous Superfamily
A	IPR012910	TonB-dependent receptor, plug domain	Domain
B	IPR011048	Cytochrome cd1-nitrite reductase-like, haem d1 domain superfamily	Homologous Superfamily
B	IPR031815	Protein of unknown function DUF5074	Family
B	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily