摘要 :
NADP(H) phosphatase has not been identified in eubacteria and eukaryotes. In archaea, MJ0917 of hyperthermophilic Methanococ-cus jannaschii is a fusion protein comprising NAD kina.se and an inositol monophosphatase homologue that ...
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NADP(H) phosphatase has not been identified in eubacteria and eukaryotes. In archaea, MJ0917 of hyperthermophilic Methanococ-cus jannaschii is a fusion protein comprising NAD kina.se and an inositol monophosphatase homologue that exhibits high NAD-P(H) phosphatase activity (S. Kawai, C. Fukuda, T. Mukai, and K. Murata, J. Biol. Chem. 280:39200-39207,2005). In this study, we showed that the other archaeal inositol monophosphata-ses, MJ0109 of M. jannaschii and AF2372 of hyperthermophilic Archaeoglobus fulgidus, exhibit NADP(H) phosphatase activity in addition to the already-known inositol monophosphatase and fructose-l,6-bisphosphatase activities.
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