Nitrate reductase (EC 1.6.6.2) has been isolated from 11 Sphagnum (Bryophyta) species and purified up to 500-fold by a procedure involving (NH4)2SO4 precipitation and blue sepharose affinity chromatography.
The purest fraction showed a nitrate reductase activity of 7.7 nkat mg protein-1 with NADPH as the electron donor. Beside NADPH and NADH, FMNH2 and - after blue sepharose affinity purification of the enzyme - MVH2 were used as electron donors in different assays.
Received: 1986-10-17
Published Online: 2014-6-2
Published in Print: 1987-5-1
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