Article
Lysine beta311 of protein geranylgeranyltransferase type I partially replaces magnesium.
The Journal of biological chemistry - 16 Jul 2004
Hartman Heather L, Bowers Katherine E, Fierke Carol A
Abstract excerpt
Protein geranylgeranyltransferase type I (GGTase I) catalyzes the attachment of a geranylgeranyl lipid group near the carboxyl terminus of protein substrates. Unlike protein farnesyltransferase (FTase) and protein geranylgeranyltransferase type II, which require both Zn(II) and Mg(II) for maximal turnover, GGTase I turnover is dependent only on Zn(II). In FTase, the magnesium ion is coordinated by aspartate...
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