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A Reconstruction of the Metabolism of Methanococcus Jannaschii from Sequence Data

Overview
Journal Gene
Specialty Molecular Biology
Date 1997 Oct 23
PMID 9332394
Citations 43
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Abstract

The interpretation of the Methanococcus jannaschii genome will inevitably require many years of effort. This initial attempt to connect the sequence data to aspects of known biochemistry and to provide an overview of what is already apparent from the sequence data will be refined. Numerous issues remain that can be resolved only by direct biochemical analysis. Let us draw the reader's attention to just a few that might be considered central: (1) We are still missing key enzymes from the glycolytic pathway, and the conjecture is that this is due to ADP-dependency. The existence of glycolytic activity in the cell-free extract should be tested. (2) The issue of whether the Calvin cycle is present needs to be examined. (3) We need to determine whether the 2-oxoglutarate synthase (ferredoxin-dependent) (EC 1.2.7.3) activity is present. (4) The issue of whether cyclic 2,3-bisphosphate is detectable in the cell-free extracts needs to be checked. If it is, this result would confirm our assertion of the two pathways controlling synthesis and degradation of cyclic 2,3-bisphosphate.

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