Annotations: 7QPA

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e7qpaA1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e7qpaB1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03547	Membrane transport protein (Mem_trans)	Membrane transport protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Auxin efflux carrier component 8	-	developmental process multicellular organism development multicellular organismal process gametophyte development anatomical structure development pollen development auxin-activated signaling pathway cellular response to stimulus response to organic substance regulation of biological process regulation of cellular process response to stimulus signaling response to endogenous stimulus developmental process multicellular organism development multicellular organismal process gametophyte development anatomical structure development pollen development auxin-activated signaling pathway cellular response to stimulus response to organic substance regulation of biological process regulation of cellular process response to stimulus signaling response to endogenous stimulus biological regulation hormone-mediated signaling pathway cellular response to auxin stimulus cell communication response to auxin cellular response to endogenous stimulus cellular response to chemical stimulus response to hormone response to chemical cellular process cellular response to organic substance signal transduction cellular response to hormone stimulus transport regulation of signal transduction export across plasma membrane localization regulation of biological quality auxin export across the plasma membrane regulation of signaling regulation of auxin mediated signaling pathway regulation of hormone levels export from cell establishment of localization transmembrane transport regulation of response to stimulus auxin transport hormone transport regulation of cell communication	cell periphery plasma membrane membrane cellular anatomical entity membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle endoplasmic reticulum cytoplasm intracellular membrane-bounded organelle endomembrane system organelle subcompartment endoplasmic reticulum subcompartment cell periphery plasma membrane membrane cellular anatomical entity membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle endoplasmic reticulum cytoplasm intracellular membrane-bounded organelle endomembrane system organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network organelle membrane endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR014024	Auxin efflux carrier, plant type	Family
A, B	IPR004776	Membrane transport PIN-like	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Transmembrane	Alpha-helical polytopic	Monovalent cation-proton antiporter	Auxin efflux carrier

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: ALPHA-HELICAL	PIN-FORMED (PIN) Auxin Efflux Carriers and Related Proteins	Auxin transporter PIN8, apo form

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.