Pyrroloquinoline quinone transporter

UniProtKB accession:  P76115

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UniProtKB description:  Mediates the TonB-dependent high affinity transport across the outer membrane of pyrroloquinoline quinone (PQQ), a redox cofactor required for the activity of Gcd and Asd dehydrogenases (PubMed:36054785). The uptake process is energised via the TonB-ExbBD complex (PubMed:36054785). Not involved in the transport of an iron-containing substrate under laboratory conditions (PubMed:32355044, PubMed:36054785).