Annotations: 8AA4

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Peptidase_C30	e8aa4B1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Peptidase_C30	ECOD (v294.1)
A		e8aa4A1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F:	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	SusC homolog	-	-	cell periphery cell outer membrane cellular anatomical structure external encapsulating structure membrane cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR039426	TonB-dependent receptor-like	Family
A, B	IPR037066	TonB-dependent receptor, plug domain superfamily	Homologous Superfamily
A, B	IPR036942	TonB-dependent receptor-like, beta-barrel domain superfamily	Homologous Superfamily
A, B	IPR023997	TonB-dependent outer membrane protein SusC/RagA, conserved site	Conserved Site
A, B	IPR023996	TonB-dependent outer membrane protein, SusC/RagA	Family
A, B	IPR012910	TonB-dependent receptor, plug domain	Domain
A, B	IPR008969	Carboxypeptidase-like, regulatory domain superfamily	Homologous Superfamily

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: BETA-BARREL	Polysaccharide Utilization Proteins	SusCD fructo-oligosaccharide (FOS) transporter with bound FOS DP 8-12

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.