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Identification and quantitative determination of the flavin component of soluble hydrogenase from Alcaligenes eutrophus.
Biochem. Biophys. Res. Commun. 84, 564-571 (1978)
The flavin component of soluble hydrogenase (hydrogen: NAD+ oxidoreductase, EC 1.12.1.2) from Alcaligenes eutrophus was identified as FMN by thin layer chromatography in two solvent systems and by binding studies with apoflavodoxin from Megasphaera elsdenii. The flavin of hydrogenase reacted rapidly with apoflavodoxin with almost complete quenching of the fluorescence at 525 nm. Quantitative determination of FMN was performed by fluorimetric titration with a standardized solution of apoflavodoxin. From the determined FMN content of different enzyme preparations and from the percentage of stimulation of hydrogenase activity by exogenous FMN it is concluded that hydrogenase contains 2 FMN per molecule.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Sprache
englisch
Veröffentlichungsjahr
1978
HGF-Berichtsjahr
0
ISSN (print) / ISBN
0006-291X
e-ISSN
1090-2104
Quellenangaben
Band: 84,
Heft: 3,
Seiten: 564-571
Verlag
Elsevier
Begutachtungsstatus
Peer reviewed
Institut(e)
Institut für Mikrobiologie
Scopus ID
0018137794
Erfassungsdatum
1978-12-31