WordNet

any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes (同)benzoquinone

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Pyrroloquinoline Quinone Ethanol Dehydrogenase in Methylobacterium extorquens AM1 Extends Lanthanide-Dependent Metabolism to Multicarbon Substrates.

Good NM1, Vu HN2, Suriano CJ1, Subuyuj GA2, Skovran E2, Martinez-Gomez NC3.
Journal of bacteriology.J Bacteriol.2016 Oct 21;198(22):3109-3118. Print 2016 Nov 15.
Lanthanides are utilized by microbial methanol dehydrogenases, and it has been proposed that lanthanides may be important for other type I alcohol dehydrogenases. A triple mutant strain (mxaF xoxF1 xoxF2; named MDH-3), deficient in the three known methanol dehydrogenases of the model methylotroph Me
PMID 27573017

(1)H, (13)C, and (15)N resonance assignments and secondary structure information for Methylobacterium extorquens PqqD and the complex of PqqD with PqqA.

Evans RL 3rd1, Latham JA2,3, Klinman JP2,4, Wilmot CM5, Xia Y1,6.
Biomolecular NMR assignments.Biomol NMR Assign.2016 Oct;10(2):385-9. doi: 10.1007/s12104-016-9705-8. Epub 2016 Sep 16.
The ribosomally synthesized and post-translationally modified peptide (RiPP), pyrroloquinoline quinone (PQQ), is a dehydrogenase cofactor synthesized by, but not exclusively used by, certain prokaryotes. RiPPs represent a rapidly expanding and diverse class of natural products-many of which have the
PMID 27638737

Neuroprotective effects of pyrroloquinoline quinone against rotenone injury in primary cultured midbrain neurons and in a rat model of Parkinson's disease.

Zhang Q1, Chen S1, Yu S1, Qin J1, Zhang J1, Cheng Q1, Ke K2, Ding F3.
Neuropharmacology.Neuropharmacology.2016 Sep;108:238-51. doi: 10.1016/j.neuropharm.2016.04.025. Epub 2016 Apr 20.
Mitochondrial dysfunction and oxidative stress have been implicated in the pathogenesis of Parkinson's disease (PD). Pyrroloquinoline quinone (PQQ), a redox cofactor in the mitochondrial respiratory chain, has been reported to protect SH-SY5Y cells from cytotoxicity induced by rotenone, a mitochondr
PMID 27108097