Annotations: 8D1N

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth E]	PF01062	e8d1nE1	A: alpha bundles	X: Bestrophin (From Topology)	H: Bestrophin (From Topology)	T: Bestrophin	F: PF01062	ECOD (1.6)
B [auth D]	PF01062	e8d1nD1	A: alpha bundles	X: Bestrophin (From Topology)	H: Bestrophin (From Topology)	T: Bestrophin	F: PF01062	ECOD (1.6)
C [auth A]	PF01062	e8d1nA1	A: alpha bundles	X: Bestrophin (From Topology)	H: Bestrophin (From Topology)	T: Bestrophin	F: PF01062	ECOD (1.6)
D [auth C]	PF01062	e8d1nC1	A: alpha bundles	X: Bestrophin (From Topology)	H: Bestrophin (From Topology)	T: Bestrophin	F: PF01062	ECOD (1.6)
E [auth B]	PF01062	e8d1nB1	A: alpha bundles	X: Bestrophin (From Topology)	H: Bestrophin (From Topology)	T: Bestrophin	F: PF01062	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth E], B [auth D], C [auth A], D [auth C], E [auth B]	PF01062	Bestrophin, RFP-TM, chloride channel (Bestrophin)	Bestrophin, RFP-TM, chloride channel	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth E], B [auth D], C [auth A], D [auth C], E [auth B]	Bestrophin	monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity monoatomic ion channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity monoatomic anion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity inorganic anion transmembrane transporter activity chloride channel activity	-	protein-containing complex transmembrane transporter complex membrane chloride channel complex membrane protein complex cellular anatomical entity transporter complex monoatomic ion channel complex cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth E], B [auth D], C [auth A], D [auth C], E [auth B]	IPR021134	Bestrophin-like	Family
A [auth E], B [auth D], C [auth A], D [auth C], E [auth B]	IPR000615	Bestrophin	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth E], B [auth D], C [auth A], D [auth C], E [auth B]	OPM				Bestrophin anion channel

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth E], B [auth D], C [auth A], D [auth C], E [auth B]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth E], B [auth D], C [auth A], D [auth C], E [auth B]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Other Ion Channels	Bestrophin-2 (BEST2) Ca²⁺-activated Cl− channel, 1uM Ca²⁺, closed state

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 R01GM133198.