Article
Phenotypic evidence that the function of the [Fe]-hydrogenase Hmd in Methanococcus maripaludis requires seven hcg (hmd co-occurring genes) but not hmdII.
FEMS microbiology letters - 1 Jun 2013
Lie Thomas J, Costa Kyle C, Pak Daniel, Sakesan Varun, Leigh John A
Abstract excerpt
The H2 -dependent methylene-tetrahydromethanopterin dehydrogenase (Hmd), also known as the [Fe]-hydrogenase, is found only in methanogens without cytochromes. In contrast to the binuclear metal centers of the [NiFe]- and [FeFe]-hydrogenases, the [Fe]-hydrogenase contains only a single Fe atom, which is coordinated by a novel guanylylpyridinol cofactor in the active site. The biosynthesis of the cofactor is not...
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