Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042529 3000503 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB TolC docking domain (DN and DC subdomains) 8042533 3000526 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042534 3000769 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042535 3000769 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042534 3000769 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042523 3000503 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042528 3000503 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042529 3000503 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB TolC docking domain (DN and DC subdomains) 8042531 3000526 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042535 3000769 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042525 3000503 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042525 3000503 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042535 3000769 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042525 3000503 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042529 3000503 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042535 3000769 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042534 3000769 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB TolC docking domain (DN and DC subdomains) 8042531 3000526 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042534 3000769 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042525 3000503 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042528 3000503 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB TolC docking domain (DN and DC subdomains) 8042533 3000526 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042523 3000503 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042529 3000503 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042528 3000503 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042529 3000503 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042525 3000503 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042525 3000503 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042534 3000769 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB TolC docking domain (DN and DC subdomains) 8042533 3000526 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042535 3000769 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042529 3000503 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042534 3000769 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB transmembrane domain 8042535 3000769 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB TolC docking domain (DN and DC subdomains) 8042531 3000526 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMultidrug efflux transporter AcrB pore domain PN1, PN2, PC1 and PC2 subdomains 8042523 3000503 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AACR_tran_4the6q4oA5 A: alpha bundlesX: Multidrug efflux transporter AcrB transmembrane domain (From Topology)H: Multidrug efflux transporter AcrB transmembrane domain (From Topology)T: Multidrug efflux transporter AcrB transmembrane domainF: ACR_tran_4thECOD (1.6)
AACR_tran_1ste6q4oA6 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_1stECOD (1.6)
AACR_tran_5the6q4oA4 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_5thECOD (1.6)
AACR_tran_3rde6q4oA1 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_3rdECOD (1.6)
AACR_tran_6the6q4oA2 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_6thECOD (1.6)
AACR_tran_2nde6q4oA7 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB TolC docking domainF: ACR_tran_2ndECOD (1.6)
AACR_tran_6th_1e6q4oA8 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB TolC docking domainF: ACR_tran_6th_1ECOD (1.6)
BACR_tran_4the6q4oB4 A: alpha bundlesX: Multidrug efflux transporter AcrB transmembrane domain (From Topology)H: Multidrug efflux transporter AcrB transmembrane domain (From Topology)T: Multidrug efflux transporter AcrB transmembrane domainF: ACR_tran_4thECOD (1.6)
BACR_tran_1ste6q4oB1 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_1stECOD (1.6)
BACR_tran_5the6q4oB2 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_5thECOD (1.6)
BACR_tran_3rde6q4oB5 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_3rdECOD (1.6)
BACR_tran_6the6q4oB6 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_6thECOD (1.6)
BACR_tran_2nde6q4oB8 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB TolC docking domainF: ACR_tran_2ndECOD (1.6)
BACR_tran_6th_1e6q4oB3 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB TolC docking domainF: ACR_tran_6th_1ECOD (1.6)
CACR_tran_4the6q4oC5 A: alpha bundlesX: Multidrug efflux transporter AcrB transmembrane domain (From Topology)H: Multidrug efflux transporter AcrB transmembrane domain (From Topology)T: Multidrug efflux transporter AcrB transmembrane domainF: ACR_tran_4thECOD (1.6)
CACR_tran_1ste6q4oC1 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_1stECOD (1.6)
CACR_tran_5the6q4oC7 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_5thECOD (1.6)
CACR_tran_3rde6q4oC2 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_3rdECOD (1.6)
CACR_tran_6the6q4oC6 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB pore domainF: ACR_tran_6thECOD (1.6)
CACR_tran_2nde6q4oC8 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB TolC docking domainF: ACR_tran_2ndECOD (1.6)
CACR_tran_6th_1e6q4oC4 A: a+b two layersX: Alpha-beta plaitsH: Ferredoxin domains in multidrug efflux transporterT: Multidrug efflux transporter AcrB TolC docking domainF: ACR_tran_6th_1ECOD (1.6)
DAnk_2e6q4oD1 A: alpha superhelicesX: Repetitive alpha hairpinsH: Ankyrin repeat (From Topology)T: Ankyrin repeatF: Ank_2ECOD (1.6)
EAnk_2e6q4oE1 A: alpha superhelicesX: Repetitive alpha hairpinsH: Ankyrin repeat (From Topology)T: Ankyrin repeatF: Ank_2ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

AMR Gene: CARD Annotation CARD Database Homepage

ChainsAccessionShort NameDescriptionProvenance Source (Version)
A, B, C
ARO:3000216acrBProtein 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 (4.0.0)

AMR Gene Family: CARD Annotation CARD Database Homepage

ChainsAccessionGene FamilyDrug Class Resistance MachanismProvenance Source (Version)
A, B, C
ARO:0010004resistance-nodulation-cell division (RND) antibiotic efflux pumpfluoroquinolone antibiotic, cephalosporin, glycylcycline, penicillin beta-lactam, tetracycline antibiotic, rifamycin antibiotic, phenicol antibiotic, disinfecting agents and antisepticsantibiotic effluxCARD (4.0.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C
PF00873AcrB/AcrD/AcrF family (ACR_tran)AcrB/AcrD/AcrF family- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C
Multidrug efflux pump subunit AcrB
D, E
DARPIN---