ATP synthesis from 2,3-diphosphoglycerate by cell-free extract of Methanobacterium thermoautotrophicum (strain ΔH)

Gert Jan W.M. van Alebeek*, Corné Klaassen, Jan T. Keltjens, Chris van der Drift, Godfried D. Vogels

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)

Abstract

Cell-free extracts of Methanobacterium thermoautotrophicum were found to catalyze ATP synthesis from an endogeneous substrate. Synthesis was stimulated under hydrogen atmosphere and inhibited by KCL (Ki=150 mM). Comparison of the properties of a number of cell constituents showed the endogeneous substrate to be 2,3-diphosphoglycerate. The compound is converted into 3-phosphoglycerate, and via 2-phosphoglycerate and phosphoenolpyruvate into pyruvate, at which the latter reaction is linked with ATP synthesis.

Original languageEnglish
Pages (from-to)491-496
Number of pages6
JournalArchives of Microbiology
Volume156
Issue number6
DOIs
Publication statusPublished - Nov 1991
Externally publishedYes

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