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PQQ Cofactor MeSH Descriptor Data 2026


MeSH Heading
PQQ Cofactor
Tree Number(s)
D03.633.100.810.835.661
D08.211.682
Unique ID
D045542
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D045542
Scope Note
A pyrrolo-quinoline having two adjacent keto-groups at the 4 and 5 positions and three acidic carboxyl groups. It is a coenzyme of some DEHYDROGENASES.
Entry Term(s)
2,7,9-Tricarboxy-1H-Pyrrolo-(2,3-f)Quinoline-4,5-Dione
2,7,9-Tricarboxypyrroloquinoline Quinone
4,5-Dihydro-4,5-Dioxo-1-H-Pyrrolo(2,3-f)Quinoline-2,7,9-Tricarboxylic Acid
Coenzyme PQQ
Methoxatin
PQQ Coenzyme
Pyrrolo-Quinoline Quinone
Pyrroloquinoline Quinone
Registry Numbers
72909-34-3
CAS Type 1 Name
1H-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylic acid, 4,5-dihydro-4,5-dioxo-
Public MeSH Note
2004; METHOXATIN (now PQQ COFACTOR) was indexed under QUINOLONES 1981-2003
History Note
2004; use PQQ COFACTOR (NM) 1981-2003
Date Introduced
2004/01/01
Last Updated
2016/05/31
PQQ Cofactor Preferred
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