Annotations: 8F4N

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	ACR_tran_4th	e8f4nB4	A: alpha bundles	X: Multidrug efflux transporter AcrB transmembrane domain (From Topology)	H: Multidrug efflux transporter AcrB transmembrane domain (From Topology)	T: Multidrug efflux transporter AcrB transmembrane domain	F: ACR_tran_4th	ECOD (1.6)
A [auth B]	ACR_tran_1st	e8f4nB1	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: ACR_tran_1st	ECOD (1.6)
A [auth B]	ACR_tran_5th	e8f4nB3	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: ACR_tran_5th	ECOD (1.6)
A [auth B]	ACR_tran_3rd	e8f4nB5	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: ACR_tran_3rd	ECOD (1.6)
A [auth B]	ACR_tran_6th	e8f4nB7	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: ACR_tran_6th	ECOD (1.6)
A [auth B]	ACR_tran_2nd	e8f4nB8	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB TolC docking domain	F: ACR_tran_2nd	ECOD (1.6)
A [auth B]	ACR_tran_6th_1	e8f4nB6	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB TolC docking domain	F: ACR_tran_6th_1	ECOD (1.6)
B [auth A]	ACR_tran_4th	e8f4nA8	A: alpha bundles	X: Multidrug efflux transporter AcrB transmembrane domain (From Topology)	H: Multidrug efflux transporter AcrB transmembrane domain (From Topology)	T: Multidrug efflux transporter AcrB transmembrane domain	F: ACR_tran_4th	ECOD (1.6)
B [auth A]	ACR_tran_1st	e8f4nA7	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: ACR_tran_1st	ECOD (1.6)
B [auth A]	ACR_tran_5th	e8f4nA4	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: ACR_tran_5th	ECOD (1.6)
B [auth A]	ACR_tran_3rd	e8f4nA1	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: ACR_tran_3rd	ECOD (1.6)
B [auth A]	ACR_tran_6th	e8f4nA3	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB pore domain	F: ACR_tran_6th	ECOD (1.6)
B [auth A]	ACR_tran_2nd	e8f4nA5	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB TolC docking domain	F: ACR_tran_2nd	ECOD (1.6)
B [auth A]	ACR_tran_6th_1	e8f4nA2	A: a+b two layers	X: Alpha-beta plaits	H: Ferredoxin domains in multidrug efflux transporter	T: Multidrug efflux transporter AcrB TolC docking domain	F: ACR_tran_6th_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	3.30.2090.10	Alpha Beta	2-Layer Sandwich	Multidrug efflux transporter AcrB TolC docking domain	DN and DC subdomains	CATH (utative)
B [auth A]	3.30.70.1430	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Multidrug efflux transporter AcrB pore domain	CATH (utative)

AMR Gene: CARD Annotation CARD Database Homepage

Chains	Accession	Short Name	Description	Provenance Source (Version)
A [auth B], B [auth A]	ARO:3000491	acrD	AcrD is an aminoglycoside efflux pump expressed in E. coli. Its expression can be induced by indole, and is regulated by baeRS and cpxAR.	CARD (4.0.1)

AMR Gene Family: CARD Annotation CARD Database Homepage

Chains	Accession	Gene Family	Drug Class	Resistance Machanism	Provenance Source (Version)
A [auth B], B [auth A]	ARO:0010004	resistance-nodulation-cell division (RND) antibiotic efflux pump	aminoglycoside antibiotic	antibiotic efflux	CARD (4.0.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A]	PF00873	AcrB/AcrD/AcrF family (ACR_tran)	AcrB/AcrD/AcrF family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth A]	Efflux pump membrane transporter	lipid transporter activity lipid transmembrane transporter activity transporter activity monocarboxylic acid transmembrane transporter activity carboxylic acid transmembrane transporter activity transmembrane transporter activity bile acid transmembrane transporter activity efflux transmembrane transporter activity xenobiotic transmembrane transporter activity	xenobiotic transport response to stimulus transport detoxification export across cell outer membrane xenobiotic detoxification by transmembrane export across the cell outer membrane establishment of localization response to toxic substance transmembrane transport localization response to chemical cellular process response to antibiotic organic anion transport xenobiotic transport response to stimulus transport detoxification export across cell outer membrane xenobiotic detoxification by transmembrane export across the cell outer membrane establishment of localization response to toxic substance transmembrane transport localization response to chemical cellular process response to antibiotic organic anion transport carboxylic acid transport lipid localization bile acid and bile salt transport lipid transport organic hydroxy compound transport organic acid transport monocarboxylic acid transport macromolecule localization	cellular anatomical structure membrane protein-containing complex efflux pump complex transmembrane transporter complex membrane protein complex transporter complex cell periphery plasma membrane cell surface periplasmic side of plasma membrane external side of plasma membrane side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth A]	IPR027463	Multidrug efflux transporter AcrB TolC docking domain, DN/DC subdomains	Homologous Superfamily
A [auth B], B [auth A]	IPR001036	Acriflavin resistance protein	Family
A [auth B], B [auth A]	IPR004764	Multidrug resistance protein MdtF-like	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth B], B [auth A]	OPM	Transmembrane	Alpha-helical polytopic	Resistance-nodulation-cell division	Hydrophobe/amphiphile efflux-1 family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

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.