NADH oxidation can be coupled to proton reduction only at low hydrogen concentrations, which are created by the methanogen. FADH 2 oxidation coupled to proton reduction requires not only a low ...

With respect to NifB, despite the successful expression of methanogen NifB species in E. coli , none of these heterologously expressed proteins carried L-clusters in the as-purified forms and, ...

Models of abiotic RNA replication suffer from inherent product inhibition arising from the high stability of RNA duplexes. Now, it has been shown that RNA trinucleotide substrates undergoing ...

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