BIOCHEMICAL GENETICS OF A 7S GLOBULIN LIKE PROTEIN FROM PINUS-PINASTER SEED

被引:8
作者
ALLONA, I [1 ]
CASADO, R [1 ]
ARAGONCILLO, C [1 ]
机构
[1] ETS INGN MONTES,DEPT BIOQUIM,E-28040 MADRID,SPAIN
关键词
7S GLOBULINS; SEED STORAGE PROTEINS; PINUS; MEGAGAMETOPHYTE PROTEINS;
D O I
10.1007/BF00223660
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The megagametophytes of seeds of Pinus pinaster Ait. contain two types of oligomeric globulins of approximately 175 and 190 kDa that are comprised of 47-kDa and 27- and 22-kDa, monomers, respectively, joined by weak interactions. The 27- and 22-kDa components were purified and their N-terminal sequences determined. Both polypeptides were inherited as if they were coded by a single unit of recombination. The results obtained suggest that these two polypeptides originate from a single protein that undergoes proteolytic processing. The characteristics of this P. pinaster globulin indicate that it is a member of the 7S globulin family of seed storage proteins.
引用
收藏
页码:454 / 459
页数:6
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