Molecular characterization of conventional and new repeat-induced mutants of nit-3, the structural gene that encodes nitrate reductase in Neurospora crassa.

Abstract excerpt

Nitrate reductase of Neurospora crassa is a dimeric protein composed of two identical subunits, each possessing three separate domains, with flavin, heme, and molybdenum-containing cofactors. A number of mutants of nit-3, the structural gene that encodes Neurospora nitrate reductase, have been characterized at the molecular level. Amber nonsense mutants of nit-3 were found to possess a truncated protein detected...

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