Annotations: 6SGS

Cryo-EM structure of Escherichia coli AcrBZ and DARPin in Saposin A-nanodisc

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
AMR Gene: CARD Annotation
AMR Gene Family: CARD Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F	SCOP2 Family	AcrZ-like	8093571	4004543	SCOP2 (2022-06-29)
F	SCOP2 Superfamily	AcrZ-like	8093572	3002474	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	BTB_2	e6sgsD1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: BTB_2	ECOD (v295.2)
E	BTB_2	e6sgsE1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: BTB_2	ECOD (v295.2)
F	BTB_2	e6sgsF1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: BTB_2	ECOD (v295.2)
G	BTB_2	e6sgsG1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: BTB_2	ECOD (v295.2)
H	BTB_2	e6sgsH1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: BTB_2	ECOD (v295.2)
A	BTB_2	e6sgsA1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: BTB_2	ECOD (v295.2)
B	BTB_2	e6sgsB1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: BTB_2	ECOD (v295.2)
C	BTB_2	e6sgsC1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: BTB_2	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	1.25.40.20	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Ankyrin repeat-containing domain	CATH (utative)
E	1.25.40.20	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Ankyrin repeat-containing domain	CATH (utative)
B	3.30.2090.10	Alpha Beta	2-Layer Sandwich	Multidrug efflux transporter AcrB TolC docking domain	DN and DC subdomains	CATH (utative)
B	3.30.70.1430	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Multidrug efflux transporter AcrB pore domain	CATH (utative)
C	3.30.2090.10	Alpha Beta	2-Layer Sandwich	Multidrug efflux transporter AcrB TolC docking domain	DN and DC subdomains	CATH (utative)

AMR Gene: CARD Annotation CARD Database Homepage

Chains	Accession	Short Name	Description	Provenance Source (Version)
A, B, C	ARO:3000216	acrB	Protein subunit of AcrA-AcrB-TolC multidrug efflux complex. AcrB functions as a herterotrimer which forms the inner membrane component and is primarily responsible for substrate recognition and energy transduction by acting as a drug/proton antiporter.	CARD (4.0.2)

AMR Gene Family: CARD Annotation CARD Database Homepage

Chains	Accession	Gene Family	Drug Class	Resistance Machanism	Provenance Source (Version)
A, B, C	ARO:0010004	resistance-nodulation-cell division (RND) antibiotic efflux pump	fluoroquinolone antibiotic, cephalosporin, glycylcycline, penicillin beta-lactam, tetracycline antibiotic, rifamycin antibiotic, phenicol antibiotic, disinfecting agents and antiseptics	antibiotic efflux	CARD (4.0.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
F, G, H	PF10766	Multidrug efflux pump-associated protein AcrZ (AcrZ)	Multidrug efflux pump-associated protein AcrZ	-	Family
A, B, C	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
D, E	DARPin	-	-	-
F, G, H	Multidrug efflux pump accessory protein AcrZ	-	-	-
A, B, C	Multidrug efflux pump subunit AcrB	alkane transmembrane transporter activity transporter activity transmembrane transporter activity lipid transmembrane transporter activity carboxylic acid transmembrane transporter activity bile acid transmembrane transporter activity efflux transmembrane transporter activity xenobiotic transmembrane transporter activity identical protein binding protein binding binding enterobactin transmembrane transporter activity siderophore-iron transmembrane transporter activity iron chelate transmembrane transporter activity	response to stimulus response to chemical response to xenobiotic stimulus xenobiotic transport 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 cellular process organic acid transport response to stimulus response to chemical response to xenobiotic stimulus xenobiotic transport 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 cellular process organic acid transport monocarboxylic acid transport carboxylic acid transport fatty acid transport macromolecule localization lipid localization lipid transport alkane transport response to antibiotic bile acid and bile salt transport organic hydroxy compound transport siderophore transport iron ion transport metal ion transport enterobactin transport transition metal ion transport monoatomic ion transport monoatomic cation transport iron coordination entity transport	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, B, C	IPR027463	Multidrug efflux transporter AcrB TolC docking domain, DN/DC subdomains	Homologous Superfamily
A, B, C	IPR001036	Acriflavin resistance protein	Family
A, B, C	IPR004764	Multidrug resistance protein MdtF-like	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C	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, B, C	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Multi-Drug Efflux Transporters	AcrBZ bacterial multi-drug efflux transporter in Saposin A-nanodisc