Enzimi koji sadrže PQQ se nazivaju hinoproteini. Glukozna dehidrogenaza, jedan od hinoproteina, se koristi kao glukozni senzor. Utvrđeno je da PQQ stimuliše rast bakterija.[10] Osim toga, on ima antioksidansno i neuroprotektivno dejstvo.[11]
↑Evan E. Bolton, Yanli Wang, Paul A. Thiessen, Stephen H. Bryant (2008). "Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities". Annual Reports in Computational Chemistry4: 217-241. DOI:10.1016/S1574-1400(08)00012-1.
↑Salisbury SA, Forrest HS, Cruse WB, Kennard O (1979). "A novel coenzyme from bacterial primary alcohol dehydrogenases". Nature280 (5725): 843–4. DOI:10.1038/280843a0. PMID471057.
↑Westerling J, Frank J, Duine JA (1979). "The prosthetic group of methanol dehydrogenase from Hyphomicrobium X: electron spin resonance evidence for a quinone structure". Biochem Biophys Res Commun87 (3): 719–24. DOI:10.1016/0006-291X(79)92018-7. PMID222269.
↑Ameyama M, Matsushita K, Ohno Y, Shinagawa E, Adachi O (1981). "Existence of a novel prosthetic group, PQQ, in membrane-bound, electron transport chain-linked, primary dehydrogenases of oxidative bacteria". FEBS Lett130 (2): 179–83. DOI:10.1016/0014-5793(81)81114-3. PMID6793395.
↑Ameyama M, Matsushita K, Shinagawa E, Hayashi M, Adachi O (1988). "Pyrroloquinoline quinone: excretion by methylotrophs and growth stimulation for microorganisms". BioFactors1 (1): 51–3. PMID2855583.
↑Rucker R, Chowanadisai W, Nakano M. (2009). "Potential physiological importance of pyrroloquinoline quinone". Altern Med Rev.14 (3): 179–83.
↑Puehringer S, Metlitzky M, Schwarzenbacher R (2008). "The pyrroloquinoline quinone biosynthesis pathway revisited: a structural approach.". BMC Biochem.9: 8. PMID18371220.