title: The quinoid cofactors, pyrroloquinoline quinone (PQQ), topaquinone (TPQ) and tryptophan tryptophylquinone (TTQ).
authors.affiliation: Department of Microbiology & Enzymology, Delft University of Technology, The Netherlands.
authors.forename: J A
authors.initials: JA
authors.lastname: Duine
mesh_terms: D000818:Animals; D003067:Coenzymes / Q000032:analysis* / Q000096:biosynthesis / Q000502:physiology; D004295:Dihydroxyphenylalanine / Q000031:analogs & derivatives* / Q000032:analysis / Q000096:biosynthesis; D006801:Humans; D045563:Indolequinones; D015394:Molecular Structure; D045542:PQQ Cofactor; D015363:Quinolones / Q000032:analysis* / Q000378:metabolism; D011809:Quinones / Q000032:analysis* / Q000378:metabolism; D014364:Tryptophan / Q000031:analogs & derivatives* / Q000032:analysis / Q000096:biosynthesis / Q000502:physiology
chemical_list: D003067:Coenzymes; D045563:Indolequinones; D015363:Quinolones; D011809:Quinones; C070569:tryptophan tryptophylquinone; D004295:Dihydroxyphenylalanine; C067626:6-hydroxydopa quinone; D045542:PQQ Cofactor; D014364:Tryptophan