Solubilization of the Starch-Granule-Bound Starch Synthase of Normal Maize Kernels | Zendy

Fraser D. Macdonald | Zendy; Jack Preiss | Zendy

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Solubilization of the Starch-Granule-Bound Starch Synthase of Normal Maize Kernels

Author(s) -

Fraser D. Macdonald,

Jack Preiss

Publication year - 1983

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.73.1.175

Subject(s) - solubilization , starch , granule (geology) , biochemistry , enzyme , chemistry , starch synthase , glycogen branching enzyme , zea mays , chromatography , isozyme , sepharose , biology , agronomy , amylose , paleontology , amylopectin , glycogen synthase

The starch-granule-bound starch synthase from Zea mays has been solubilized with a recovery of between 50 and 84%. Chromatography of the solubilized enzyme on DEAE-Sepharose resolves two fractions of activity which may be distinguished by their response to citrate. Neither solubilized isoenzyme displays any significant activity with UDPglucose.

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