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2V50

The Missing Part of the Bacterial MexAB-OprM System: Structural determination of the Multidrug Exporter MexB

Functional Information from GO Data
ChainGOidnamespacecontents
A0005515molecular_functionprotein binding
A0005886cellular_componentplasma membrane
A0009636biological_processresponse to toxic substance
A0015562molecular_functionefflux transmembrane transporter activity
A0016020cellular_componentmembrane
A0022857molecular_functiontransmembrane transporter activity
A0042908biological_processxenobiotic transport
A0042910molecular_functionxenobiotic transmembrane transporter activity
A0046677biological_processresponse to antibiotic
A0055085biological_processtransmembrane transport
B0005515molecular_functionprotein binding
B0005886cellular_componentplasma membrane
B0009636biological_processresponse to toxic substance
B0015562molecular_functionefflux transmembrane transporter activity
B0016020cellular_componentmembrane
B0022857molecular_functiontransmembrane transporter activity
B0042908biological_processxenobiotic transport
B0042910molecular_functionxenobiotic transmembrane transporter activity
B0046677biological_processresponse to antibiotic
B0055085biological_processtransmembrane transport
C0005515molecular_functionprotein binding
C0005886cellular_componentplasma membrane
C0009636biological_processresponse to toxic substance
C0015562molecular_functionefflux transmembrane transporter activity
C0016020cellular_componentmembrane
C0022857molecular_functiontransmembrane transporter activity
C0042908biological_processxenobiotic transport
C0042910molecular_functionxenobiotic transmembrane transporter activity
C0046677biological_processresponse to antibiotic
C0055085biological_processtransmembrane transport
D0005515molecular_functionprotein binding
D0005886cellular_componentplasma membrane
D0009636biological_processresponse to toxic substance
D0015562molecular_functionefflux transmembrane transporter activity
D0016020cellular_componentmembrane
D0022857molecular_functiontransmembrane transporter activity
D0042908biological_processxenobiotic transport
D0042910molecular_functionxenobiotic transmembrane transporter activity
D0046677biological_processresponse to antibiotic
D0055085biological_processtransmembrane transport
E0005515molecular_functionprotein binding
E0005886cellular_componentplasma membrane
E0009636biological_processresponse to toxic substance
E0015562molecular_functionefflux transmembrane transporter activity
E0016020cellular_componentmembrane
E0022857molecular_functiontransmembrane transporter activity
E0042908biological_processxenobiotic transport
E0042910molecular_functionxenobiotic transmembrane transporter activity
E0046677biological_processresponse to antibiotic
E0055085biological_processtransmembrane transport
F0005515molecular_functionprotein binding
F0005886cellular_componentplasma membrane
F0009636biological_processresponse to toxic substance
F0015562molecular_functionefflux transmembrane transporter activity
F0016020cellular_componentmembrane
F0022857molecular_functiontransmembrane transporter activity
F0042908biological_processxenobiotic transport
F0042910molecular_functionxenobiotic transmembrane transporter activity
F0046677biological_processresponse to antibiotic
F0055085biological_processtransmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE LMT A 2026
ChainResidue
ATRP13
ALEU17
AARG363
ATHR495
ALYS498

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE LMT B 2031
ChainResidue
BILE472
BLEU867
BGLN871
BLMT2032
BPHE386
BALA457
BPHE458
BARG468

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE LMT B 2032
ChainResidue
BPHE458
BSER870
BGLN871
BLEU875
BLEU878
BLMT2031

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE LMT D 2026
ChainResidue
DTRP13
DLEU17
DARG363
DTHR495
DLYS498

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE LMT E 2031
ChainResidue
EPHE386
ELEU454
EALA457
EPHE458
EARG468
EILE472
ELMT2032

site_idAC6
Number of Residues11
DetailsBINDING SITE FOR RESIDUE LMT E 2032
ChainResidue
DLEU25
DLEU28
ELEU454
EPHE458
ESER870
EGLN871
EALA874
ELEU875
ELEU878
EVAL882
ELMT2031

site_idAC7
Number of Residues9
DetailsBINDING SITE FOR RESIDUE LMT E 2033
ChainResidue
EGLN46
EVAL47
ESER48
ETHR89
EGLN125
EGLY126
EGLY179
ESER180
EARG620

site_idAC8
Number of Residues11
DetailsBINDING SITE FOR RESIDUE LMT B 2033
ChainResidue
BVAL47
BSER48
BGLN125
BGLY126
BVAL177
BGLY179
BSER180
BGLN273
BPHE615
BASN616
BARG620

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1342
DetailsTransmembrane: {"description":"Helical"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2681
DetailsTopological domain: {"description":"Periplasmic","evidences":[{"source":"PubMed","id":"10187844","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues582
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"10187844","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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