Annotations: 8TEH

Cryo-EM structure of Arabidopsis thaliana Bor1 in lipid nanodiscs

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Nucleobase/cation symporter 2, NCS2-like	8092956	3002647	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nucleobase/cation symporter 2, NCS2-like	8092956	3002647	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	WD40	e8tehB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)
A	WD40	e8tehA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00955	HCO3- transporter integral membrane domain (HCO3_cotransp)	HCO3- transporter integral membrane domain	This family contains Band 3 anion exchange proteins that exchange CL-/HCO3- such as Swiss:P48751. This family also includes cotransporters of Na+/HCO3- such as Swiss:O15153.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Boron transporter 1	antiporter activity active transmembrane transporter activity transporter activity transmembrane transporter activity solute:inorganic anion antiporter activity secondary active transmembrane transporter activity	chemical homeostasis homeostatic process monoatomic ion homeostasis cellular response to stimulus cellular response to nutrient levels response to nutrient levels cellular response to chemical stimulus response to stimulus response to boron-containing substance cellular response to boron-containing substance levels response to chemical cellular process transmembrane transport localization chemical homeostasis homeostatic process monoatomic ion homeostasis cellular response to stimulus cellular response to nutrient levels response to nutrient levels cellular response to chemical stimulus response to stimulus response to boron-containing substance cellular response to boron-containing substance levels response to chemical cellular process transmembrane transport localization borate transmembrane transport borate transport transport establishment of localization inorganic anion transport monoatomic anion transport monoatomic ion transport	pollen wall cellular anatomical structure columella external encapsulating structure extracellular region sexine exine membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle pollen wall cellular anatomical structure columella external encapsulating structure extracellular region sexine exine membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle cytoplasm vesicle endosome membrane membrane cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane organelle membrane cell periphery plasma membrane vacuolar membrane vacuole lateral plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011531	Bicarbonate transporter-like, transmembrane domain	Domain
A, B	IPR003020	Bicarbonate transporter, eukaryotic	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

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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.