Annotations: 7XLI

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF07686	e7xliB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
A	PF05031	e7xliA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF05031	ECOD (1.6)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV1	-	fur-regulated protein b	SAbDab (2024-05-03)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	VHH6 nanobody	-	-	-
A	Iron-regulated surface determinant protein B	heme transmembrane transporter activity transporter activity transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding	-	extracellular region cellular anatomical entity

Chains	Accession	Name	Type
A	IPR005877	YSIRK Gram-positive signal peptide	Domain
A	IPR006635	NEAT domain	Domain
A	IPR048652	Iron-regulated surface determinant protein H/B, linker domain	Domain
A	IPR019929	Iron-regulated surface determinant protein IsdB	Family
A	IPR037250	NEAT domain superfamily	Homologous Superfamily
A	IPR019931	LPXTG cell wall anchor domain	Domain