Annotations: 2M5J

Solution structure of the periplasmic signaling domain of HasR, a TonB-dependent outer membrane heme transporter

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	STN domain-like	8049848	4006665	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	STN domain-like	8057248	3002388	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	EF-hand_1, EF-hand_7	e2m5jA1	A: beta barrels	X: jelly-roll	H: Double-stranded beta-helix	T: Double-stranded beta-helix	F: EF-hand_1, EF-hand_7	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.55.50.30	Alpha Beta	3-Layer(bab) Sandwich	Phage tail protein beta-alpha-beta fold		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	HasR protein	heme transmembrane transporter activity transporter activity transmembrane transporter activity siderophore-iron transmembrane transporter activity iron chelate transmembrane transporter activity siderophore uptake transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding	siderophore transport transport iron ion transport establishment of localization metal ion transport siderophore transmembrane transport localization transition metal ion transport monoatomic ion transport monoatomic cation transport iron coordination entity transport	cell outer membrane cellular anatomical structure external encapsulating structure extracellular region membrane cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR039426	TonB-dependent receptor-like	Family
A	IPR037066	TonB-dependent receptor, plug domain superfamily	Homologous Superfamily
A	IPR010949	TonB-dependent haemoglobin/transferrin/lactoferrin receptor	Family
A	IPR011276	TonB-dependent haem/haemoglobin receptor	Family
A	IPR036942	TonB-dependent receptor-like, beta-barrel domain superfamily	Homologous Superfamily
A	IPR012910	TonB-dependent receptor, plug domain	Domain
A	IPR011662	Secretin/TonB, short N-terminal domain	Domain
A	IPR000531	TonB-dependent receptor-like, beta-barrel	Domain

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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.