Identification of a 5'-deoxyadenosine deaminase in Methanocaldococcus jannaschii and its possible role in recycling the radical S-adenosylmethionine enzyme reaction product 5'-deoxyadenosine.

Abstract excerpt

We characterize here the MJ1541 gene product from Methanocaldococcus jannaschii, an enzyme that was annotated as a 5'-methylthioadenosine/S-adenosylhomocysteine deaminase (EC 3.5.4.31/3.5.4.28). The MJ1541 gene product catalyzes the conversion of 5'-deoxyadenosine to 5'-deoxyinosine as its major product but will also deaminate 5'-methylthioadenosine, S-adenosylhomocysteine, and adenosine to a small extent. On the...

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