Membrane-associated phosphatidylinositol kinase from Saccharomyces cerevisiae

M. A. McKenzie, G. M. Carman

Research output: Contribution to journalArticle

7 Scopus citations


Membrane-associated phosphatidylinositol kinase (ATP:phosphatidylinositol 4-phosphotransferase, EC was partially purified 93-fold from Saccharomyces cerevisiae. Activity was dependent on magnesium ions (10 mM) and the optimum pH was 8.5. The apparent K(m) values for ATP and phosphatidylinositol were 0.21 mM and 71 μM, respectively. Activity was stimulated by sodium cholate and inhibited by sodium, potassium, lithium, and fluoride ions.

Original languageEnglish (US)
Pages (from-to)421-423
Number of pages3
JournalJournal of bacteriology
Issue number1
StatePublished - Jan 1 1983

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Molecular Biology

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