U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula C14H6N2O8
Molecular Weight 330.206
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of PYRROLOQUINOLINEDIONE TRICARBOXYLIC ACID

SMILES

OC(=O)C1=CC2=C(N1)C3=C(N=C(C=C3C(O)=O)C(O)=O)C(=O)C2=O

InChI

InChIKey=MMXZSJMASHPLLR-UHFFFAOYSA-N
InChI=1S/C14H6N2O8/c17-10-4-2-6(14(23)24)15-8(4)7-3(12(19)20)1-5(13(21)22)16-9(7)11(10)18/h1-2,15H,(H,19,20)(H,21,22)(H,23,24)

HIDE SMILES / InChI

Molecular Formula C14H6N2O8
Molecular Weight 330.206
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Approval Year

PubMed

PubMed

TitleDatePubMed
Protective effect of pyrroloquinoline quinone against Abeta-induced neurotoxicity in human neuroblastoma SH-SY5Y cells.
2009-10-30
Pyrroloquinoline quinone biogenesis: demonstration that PqqE from Klebsiella pneumoniae is a radical S-adenosyl-L-methionine enzyme.
2009-10-27
Xanthomonas campestris PqqD in the pyrroloquinoline quinone biosynthesis operon adopts a novel saddle-like fold that possibly serves as a PQQ carrier.
2009-09
Analytical interferences in point-of-care testing glucometers by icodextrin and its metabolites: an overview.
2009-07-16
Strategy for the isolation of native dehydrogenases with potential for biosensor development from the organism Hyphomicrobium zavarzinii ZV580.
2009-04-17
Application of a thiol-specific electrocatalytic electrode for real-time amperometric monitoring of enzymatic hydrolysis.
2009-03
Protection of pyrroloquinoline quinone against methylmercury-induced neurotoxicity via reducing oxidative stress.
2009-03
Pyrroloquinoline quinone-doped polymeric nanospheres as sensitive tracer for binding assays.
2009-02-15
Quantification of the expression of reference and alcohol dehydrogenase genes of some acetic acid bacteria in different growth conditions.
2009-02
Effect of pyrroloquinoline quinone (PQQ) on melanogenic protein expression in murine B16 melanoma.
2009-02
Pyrroloquinoline quinone attenuates iNOS gene expression in the injured spinal cord.
2009-01-09
Methylobacterium genome sequences: a reference blueprint to investigate microbial metabolism of C1 compounds from natural and industrial sources.
2009
Glucose oxidation and PQQ-dependent dehydrogenases in Gluconobacter oxydans.
2009
Menaquinone as well as ubiquinone as a bound quinone crucial for catalytic activity and intramolecular electron transfer in Escherichia coli membrane-bound glucose dehydrogenase.
2008-10-17
A tightly bound quinone functions in the ubiquinone reaction sites of quinoprotein alcohol dehydrogenase of an acetic acid bacterium, Gluconobacter suboxydans.
2008-10
Genomic diversity within the Enterobacter cloacae complex.
2008-08-21
Amino acid residues interacting with both the bound quinone and coenzyme, pyrroloquinoline quinone, in Escherichia coli membrane-bound glucose dehydrogenase.
2008-08-08
Complete genome sequence of the extremely acidophilic methanotroph isolate V4, Methylacidiphilum infernorum, a representative of the bacterial phylum Verrucomicrobia.
2008-07-01
Pyrroloquinoline quinone prevents oxidative stress-induced neuronal death probably through changes in oxidative status of DJ-1.
2008-07
The PQQ-alcohol dehydrogenase of Gluconacetobacter diazotrophicus.
2008-06-30
Direct detection of formaldehyde in air by a novel NAD+- and glutathione-independent formaldehyde dehydrogenase-based biosensor.
2008-05-15
Inactivation of pqq genes of Enterobacter intermedium 60-2G reduces antifungal activity and induction of systemic resistance.
2008-05
The pyrroloquinoline quinone biosynthesis pathway revisited: a structural approach.
2008-03-27
Genetic analyses and molecular characterization of the pathways involved in the conversion of 2-phenylethylamine and 2-phenylethanol into phenylacetic acid in Pseudomonas putida U.
2008-02
Pyrroloquinoline quinone is a plant growth promotion factor produced by Pseudomonas fluorescens B16.
2008-02
Pyrroloquinoline Quinone (PQQ) Prevents Cognitive Deficit Caused by Oxidative Stress in Rats.
2008-01
In vitro studies indicate a quinone is involved in bacterial Mn(II) oxidation.
2008-01
Function of a bound ubiquinone in Escherichia coli quinoprotein glucose dehydrogenase.
2008
Simultaneous determination of blood glucose and isoleucine levels in rats after chronic alcohol exposure by microwave-assisted derivatization and isotope dilution gas chromatography/mass spectrometry.
2008
Pyrroloquinoline quinone preserves mitochondrial function and prevents oxidative injury in adult rat cardiac myocytes.
2007-11-16
Simple and sensitive method for pyrroloquinoline quinone (PQQ) analysis in various foods using liquid chromatography/electrospray-ionization tandem mass spectrometry.
2007-09-05
Novel aspects of symbiotic (polyvinyl alcohol) biodegradation.
2007-09
Comparative genomics of bacterial and plant folate synthesis and salvage: predictions and validations.
2007-07-23
Pyrroloquinoline quinone biogenesis: characterization of PqqC and its H84N and H84A active site variants.
2007-06-19
Activation of Ras signaling pathways by pyrroloquinoline quinone in NIH3T3 mouse fibroblasts.
2007-05
Factors required for the catalytic reaction of PqqC/D which produces pyrroloquinoline quinone.
2007-03-02
Pyrroloquinoline quinone is a potent neuroprotective nutrient against 6-hydroxydopamine-induced neurotoxicity.
2007-03
Microstructural and tensile properties of elastin-based polypeptides crosslinked with genipin and pyrroloquinoline quinone.
2007-02-15
In silico panning for a non-competitive peptide inhibitor.
2007-01-12
Complex and charge transfer between TiO2 and pyrroloquinoline quinone.
2006-12-21
Pyrroloquinoline quinone nutritional status alters lysine metabolism and modulates mitochondrial DNA content in the mouse and rat.
2006-11
Pyrroloquinoline quinone (PQQ) prevents fibril formation of alpha-synuclein.
2006-10-27
Soluble aldose sugar dehydrogenase from Escherichia coli: a highly exposed active site conferring broad substrate specificity.
2006-10-13
Isolation and characterization of a novel poly(vinyl alcohol)-degrading bacterium, Sphingopyxis sp. PVA3.
2006-10
Peritoneal dialysis: a primary care perspective.
2006-07-01
Neuroprotection by pyrroloquinoline quinone (PQQ) in reversible middle cerebral artery occlusion in the adult rat.
2006-06-13
Crystallization of quinoprotein glucose dehydrogenase variants and homologues by microseeding.
2006-06-01
Comparison of pyrroloquinoline quinone and/or metoprolol on myocardial infarct size and mitochondrial damage in a rat model of ischemia/reperfusion injury.
2006-06
The 1.6A X-ray structure of the unusual c-type cytochrome, cytochrome cL, from the methylotrophic bacterium Methylobacterium extorquens.
2006-03-17
Structure of the pyrroloquinoline quinone radical in quinoprotein ethanol dehydrogenase.
2006-01-20
Patents
Substance Class Chemical
Created
by admin
on Mon Mar 31 23:10:49 GMT 2025
Edited
by admin
on Mon Mar 31 23:10:49 GMT 2025
Record UNII
47819QGH5L
Record Status Validated (UNII)
Record Version
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Name Type Language
PYRROLOQUINOLINE QUINONE
WHO-DD  
Preferred Name English
PYRROLOQUINOLINEDIONE TRICARBOXYLIC ACID
Common Name English
PYRROLOQUINOLINEDIONE TRICARBOXYLATE
Common Name English
Pyrroloquinoline quinone [WHO-DD]
Common Name English
2,7,9-TRICARBOXY-4,5-DIHYDRO-4,5-DIOXO-1H-PYRROLO(2,3-F)QUINOLINE
Systematic Name English
COENZYME PQQ
Common Name English
1H-PYRROLO(2,3-F)QUINOLINE-2,7,9-TRICARBOXYLIC ACID, 4,5-DIHYDRO-4,5-DIOXO-
Systematic Name English
4,5-DIHYDRO-4,5-DIOXO-1H-PYRROLO(2,3-F)QUINOLINE-2,7,9-TRICARBOXYLIC ACID
Systematic Name English
METHOXATIN
Common Name English
PQQ
Common Name English
METHOXATINE
Common Name English
Classification Tree Code System Code
DSLD 1750 (Number of products:70)
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
Code System Code Type Description
GRAS Notification (GRN No.)
590
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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FDA UNII
47819QGH5L
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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CHEBI
58442
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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PUBCHEM
1024
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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EPA CompTox
DTXSID3041162
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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WIKIPEDIA
PYRROLOQUINOLINE QUINONE
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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RXCUI
2471086
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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CAS
72909-34-3
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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CHEBI
18315
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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DAILYMED
47819QGH5L
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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SMS_ID
100000151811
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DRUG BANK
DB03205
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EVMPD
SUB126234
Created by admin on Mon Mar 31 23:10:49 GMT 2025 , Edited by admin on Mon Mar 31 23:10:49 GMT 2025
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Related Record Type Details
SALT/SOLVATE -> PARENT