2F1M

Conformational flexibility in the multidrug efflux system protein AcrA

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2f1ma_	Membrane and cell surface proteins and peptides	HlyD-like secretion proteins	HlyD-like secretion proteins	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d2f1mc_	Membrane and cell surface proteins and peptides	HlyD-like secretion proteins	HlyD-like secretion proteins	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d2f1md_	Membrane and cell surface proteins and peptides	HlyD-like secretion proteins	HlyD-like secretion proteins	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d2f1mb_	Membrane and cell surface proteins and peptides	HlyD-like secretion proteins	HlyD-like secretion proteins	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e2f1mA4	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e2f1mA5	A: alpha bundles	X: helical hairpin of HlyD-like secretion proteins (From Topology)	H: helical hairpin of HlyD-like secretion proteins (From Topology)	T: helical hairpin of HlyD-like secretion proteins	F: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e2f1mA6	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Single hybrid motif	F: F_UNCLASSIFIED	ECOD (1.6)
C	F_UNCLASSIFIED	e2f1mC3	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: F_UNCLASSIFIED	ECOD (1.6)
C	F_UNCLASSIFIED	e2f1mC2	A: alpha bundles	X: helical hairpin of HlyD-like secretion proteins (From Topology)	H: helical hairpin of HlyD-like secretion proteins (From Topology)	T: helical hairpin of HlyD-like secretion proteins	F: F_UNCLASSIFIED	ECOD (1.6)
C	F_UNCLASSIFIED	e2f1mC1	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Single hybrid motif	F: F_UNCLASSIFIED	ECOD (1.6)
D	F_UNCLASSIFIED	e2f1mD2	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: F_UNCLASSIFIED	ECOD (1.6)
D	F_UNCLASSIFIED	e2f1mD1	A: alpha bundles	X: helical hairpin of HlyD-like secretion proteins (From Topology)	H: helical hairpin of HlyD-like secretion proteins (From Topology)	T: helical hairpin of HlyD-like secretion proteins	F: F_UNCLASSIFIED	ECOD (1.6)
D	F_UNCLASSIFIED	e2f1mD3	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Single hybrid motif	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e2f1mB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e2f1mB3	A: alpha bundles	X: helical hairpin of HlyD-like secretion proteins (From Topology)	H: helical hairpin of HlyD-like secretion proteins (From Topology)	T: helical hairpin of HlyD-like secretion proteins	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e2f1mB2	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Single hybrid motif	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.30.170	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
A	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)
A	1.10.287.470	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)
C	2.40.30.170	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
C	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)
C	1.10.287.470	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)
D	2.40.30.170	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
D	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)
D	1.10.287.470	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)
B	2.40.30.170	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
B	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)
B	1.10.287.470	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Acriflavine resistance protein A	identical protein binding protein binding binding transporter activity 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 organic anion transport carboxylic acid 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 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 response to antibiotic	cell periphery cell surface periplasmic side of plasma membrane membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane outer membrane-bounded periplasmic space cell envelope periplasmic space protein-containing complex efflux pump complex transmembrane transporter complex cell periphery cell surface periplasmic side of plasma membrane membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane outer membrane-bounded periplasmic space cell envelope periplasmic space protein-containing complex efflux pump complex transmembrane transporter complex membrane protein complex transporter complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR006143	RND efflux pump, membrane fusion protein	Family
A, B, C, D	IPR043602	Cation efflux system protein CusB, domain 1	Domain
A, B, C, D	IPR032317	RND efflux pump, membrane fusion protein, barrel-sandwich domain	Domain

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Multi-Drug Efflux Transporters	AcrA fusion protein

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.