Complete Amino Acid Sequence of Soybean Leaf P21 | Zendy

John S. Graham | Zendy; William Burkhart | Zendy; Jin Xiong | Zendy; Jeffrey W. Gillikin | Zendy

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Complete Amino Acid Sequence of Soybean Leaf P21

Author(s) -

John S. Graham,

William Burkhart,

Jin Xiong,

Jeffrey W. Gillikin

Publication year - 1992

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.98.1.163

Subject(s) - thaumatin , glycine , isoelectric point , amino acid , peptide sequence , biology , isoelectric focusing , biochemistry , wine tasting , chemistry , gene , food science , wine , enzyme

A polypeptide structurally related to the thaumatin family of proteins has been purified from soybean (Glycine max) leaves and the complete amino acid sequence has been determined. The mature protein, which we have termed P21, has a calculated molecular weight of 21,461 and an isoelectric point of 4.6. The soybean protein shows 64% amino acid identity with thaumatin, a sweet-tasting protein found in the West African shrub Thaumatococcus danielli, and as much as 71% identity with thaumatin-like polypeptides present in tobacco and maize.

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