Oryzacystatins as the first well-defined cystatins of plant origin and their target proteinases in rice seeds.

@article{Abe1991OryzacystatinsAT,
  title={Oryzacystatins as the first well-defined cystatins of plant origin and their target proteinases in rice seeds.},
  author={Kazuho Abe and Hidemasa Kondo and Hirofumi Watanabe and Y. Emori and Soichi Arai},
  journal={Biomedica biochimica acta},
  year={1991},
  volume={50 4-6},
  pages={637-41}
}
Two cystatins occur in mature seeds of the rice, Oryza sativa L. japonica, which are named oryzacystatin I (OC-I) and oryzacystatin II (OC-II). These are highly homologous to each other and are significantly homologous to cystatin superfamily members of animal origin, especially to family-2 cystatins. However, both lack disulfide bonds as in the case of family-1 cystatins (stefins). Each of OC-I and OC-II thus seems to be chimerical of family-1 and family-2 cystatins, and we propose that a new… CONTINUE READING

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