Article
The role of histidine-114 of Ssulfolobus acidocaldarius geranylgeranyl diphosphate synthase in chain-length determination.
FEBS letters - 8 Sept 2000
Hirooka K, Kato T, Matsu-ura J, Hemmi H, Nishino T
Abstract excerpt
Sulfolobus acidocaldarius geranylgeranyl diphosphate synthase yields (all-E)-C(20) prenyl diphosphate as a final product. The three-dimensional model of the enzyme suggested that removing two bulky residues at 77 and 114 would allow additional prenyl-chain elongation. To test this, we examined several mutants with substitutions at 77 and/or 114. As a result, the mutants, F77G, F77G and H114A, F77G and H114G,...
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