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2S Arginine-rich proteins from Pinus pinaster seeds

1994; Oxford University Press; Volume: 14; Issue: 2 Linguagem: Inglês

10.1093/treephys/14.2.211

1758-4469

Isabel Allona, Carmen Collada, Rosa Casado, Cipriano Aragoncillo,

Phytase and its Applications

Low molecular weight globulins, which are abundant proteins in the Pinus pinaster Ait. megagametophyte, were purified and characterized. They showed a dimeric structure formed of one large and one small subunit linked by disulfide bridges. They were characterized by a high Arg and Glx content and by a relatively high Cys content. A comparison of their characteristics with those of angiosperm 2S proteins suggests that there is homology between them.