4U8V | pdb_00004u8v

Coupling of remote alternating-access transport mechanisms for protons and substrates in the multidrug efflux pump AcrB

External Resource: Annotation


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

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

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
Ce4u8vC1 A: amino-terminal domain of OmpATbX: amino-terminal domain of OmpATbH: amino-terminal domain of OmpATbT: FAD_binding_2, NAD_binding_8F:ECOD (20:10:01)
Be4u8vB1 A: amino-terminal domain of OmpATbX: amino-terminal domain of OmpATbH: amino-terminal domain of OmpATbT: FAD_binding_2, NAD_binding_8F:ECOD (20:10:01)
Ae4u8vA1 A: amino-terminal domain of OmpATbX: amino-terminal domain of OmpATbH: amino-terminal domain of OmpATbT: FAD_binding_2, NAD_binding_8F:ECOD (20:10:01)
Ee4u8vE1 A: Insertion subdomain in DsbA-likeX: Insertion subdomain in DsbA-likeH: Insertion subdomain in DsbA-likeT: RAMPsF:ECOD (20:10:01)
De4u8vD1 A: Insertion subdomain in DsbA-likeX: Insertion subdomain in DsbA-likeH: Insertion subdomain in DsbA-likeT: RAMPsF:ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
C1.20.1640.10 Mainly Alpha Up-down Bundle Multidrug efflux transporter AcrB transmembrane fold Multidrug efflux transporter AcrB transmembrane domainCATH (4.3.0)
C3.30.70.1430 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Multidrug efflux transporter AcrB pore domainCATH (4.3.0)
C3.30.70.1320 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Multidrug efflux transporter AcrB pore domain likeCATH (4.3.0)
C3.30.2090.10 Alpha Beta 2-Layer Sandwich Multidrug efflux transporter AcrB TolC docking domain DN and DC subdomainsCATH (4.3.0)
C3.30.70.1440 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Multidrug efflux transporter AcrB pore domainCATH (4.3.0)
B1.20.1640.10 Mainly Alpha Up-down Bundle Multidrug efflux transporter AcrB transmembrane fold Multidrug efflux transporter AcrB transmembrane domainCATH (4.3.0)
B3.30.70.1430 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Multidrug efflux transporter AcrB pore domainCATH (4.3.0)
B3.30.70.1320 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Multidrug efflux transporter AcrB pore domain likeCATH (4.3.0)
B3.30.2090.10 Alpha Beta 2-Layer Sandwich Multidrug efflux transporter AcrB TolC docking domain DN and DC subdomainsCATH (4.3.0)
B3.30.70.1440 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Multidrug efflux transporter AcrB pore domainCATH (4.3.0)
A1.20.1640.10 Mainly Alpha Up-down Bundle Multidrug efflux transporter AcrB transmembrane fold Multidrug efflux transporter AcrB transmembrane domainCATH (4.3.0)
A3.30.70.1430 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Multidrug efflux transporter AcrB pore domainCATH (4.3.0)
A3.30.70.1320 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Multidrug efflux transporter AcrB pore domain likeCATH (4.3.0)
A3.30.2090.10 Alpha Beta 2-Layer Sandwich Multidrug efflux transporter AcrB TolC docking domain DN and DC subdomainsCATH (4.3.0)
A3.30.70.1440 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Multidrug efflux transporter AcrB pore domainCATH (4.3.0)
E1.25.40.20 Mainly Alpha Alpha Horseshoe Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat Ankyrin repeat-containing domainCATH (4.3.0)
D1.25.40.20 Mainly Alpha Alpha Horseshoe Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat Ankyrin repeat-containing domainCATH (4.3.0)

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 (4.0.1)

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 (4.0.1)

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---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B, C
IPR027463Multidrug efflux transporter AcrB TolC docking domain, DN/DC subdomainsHomologous Superfamily
A, B, C
IPR001036Acriflavin resistance proteinFamily
A, B, C
IPR004764Multidrug resistance protein MdtF-likeFamily

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

ChainsExternal LinkComment
A, B, C
PDBTMAnnotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

ChainsExternal LinkComment
A, B, C
MemProtMDAnnotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

ChainsResource LinkGroupSubgroupProtein
A, B, C
mpstrucTRANSMEMBRANE PROTEINS: ALPHA-HELICALMulti-Drug Efflux TransportersAcrB D407N mutant