IDENTIFICATION OF PHASEOLIN POLYPEPTIDE SUBUNITS IN A CRYSTALLINE FOOD PROTEIN ISOLATE FROM LARGE LIMA-BEANS (PHASEOLUS-LUNATUS)

被引:8
作者
ALLI, I [1 ]
GIBBS, BF [1 ]
OKONIEWSKA, MK [1 ]
KONISHI, Y [1 ]
DUMAS, F [1 ]
机构
[1] NATL RES COUNCIL CANADA, BIOTECHNOL RES INST, MONTREAL, PQ H4P 2R2, CANADA
关键词
PHASEOLIN; LARGE LIMA BEANS;
D O I
10.1021/jf00048a006
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
A crystalline protein isolate from large lima beans (Phaseolus lunatus) was found to contain phaseolin subunits not previously identified. Mass spectrometry and partial amino acid sequence analysis revealed that a glycosylated subunit of MW = 26240 was similar to a C-terminal segment of the phaseolin polypeptides of Phaseolus vulgaris, while a glycosylated subunit of MW = 26113 and its nonglycosylated variant of MW = 24249 were similar to an N-terminal segment of phaseolin polypeptides of P. vulgaris.
引用
收藏
页码:2679 / 2683
页数:5
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