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Russ, E. ; Kaiser, U. ; Sandermann, H.J.

Lipid-dependent membrane enzymes : Purification to homogeneity and further characterization of diacylglycerol kinase from Escherichia coli.

FEBS J. 171, 335-342 (1988)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
1. Diacylglycerol kinase apoprotein was purified from membranes of Escherichia coli K12 by a six-step procedure that included HPLC. The proposed assignment of the enzyme to the dgkA gene [Lightner et al. (1983) J. Biol. Chen. 258, 10856-10861] could be supported by molecular mass determination (~ 14 kDa), N-terminal sequencing (Met-Ala-Asn), cyanogen bromide fragmentation and amino acid analysis. As predicted, proline was absent. 2. The membrane-associated as well as the butan-1-ol-dissolved enzyme survived heating to 100°C. 3. Alkylglycoside detergents were found to constitute an additional class of lipid activators. 4. The enzyme apoprotein in a non-activating substrate/detergent solution was capable of autocatalytic self-activation which was attributed to a novel feedback activation mechanism involving phosphatidic acid (diacylglycerol 3-phosphate).
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
ISSN (print) / ISBN 1742-464X
e-ISSN 1742-4658
Journal FEBS Journal, The
Quellenangaben Volume: 171, Issue: 1-2, Pages: 335-342 Article Number: , Supplement: ,
Publisher Wiley
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Biochemical Plant Pathology (BIOP)