Informace o publikaci

Inhibition study of rhodanese by means of electrophoretically mediated microanalysis

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NOVÁKOVÁ Soňa TELNAROVÁ Magdalena GLATZ Zdeněk

Rok publikování 2003
Druh Článek v odborném periodiku
Časopis / Zdroj Journal of Chromatography A
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
Obor Biochemie
Klíčová slova Capillary electrophoresis; Rhodenase; EMMA; Inhibition
Popis A combination of the electrophoretically mediated microanalysis methodology with a partial filling technique was applied for the inhibition study of the bovine liver rhodanese by 2-oxoglutarate. In this set-up, the part of capillary is filled with the buffer best for the enzymatic reaction whereas, the rest of the capillary is filled with the background electrolyte optimal for separation of substrates and products. The estimated value of KI for 2-oxoglutarate was 3.62 x 10-4 ą 1.43 x 10-4 M with respect to cyanide and 1.40 x 10-3 ą 1.60 x 10-4 M with respect to thiosulfate. Moreover the type of inhibition was also evaluated. The findings of 2-oxogluatarate as the competitive inhibitor with respect to cyanide and as the uncompetitive inhibitor with respect to thiosulfate are in accordance with previous literature data.
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