南瓜中一种定位于乙醛酸循环体和叶片过氧化物酶体膜上的新型抗坏血酸过氧化物酶同工酶。
A novel isoenzyme of ascorbate peroxidase localized on glyoxysomal and leaf peroxisomal membranes in pumpkin.
作者信息
Yamaguchi K, Mori H, Nishimura M
机构信息
Department of Cell Biology, National Institute for Basic Biology, Okazaki, Japan.
出版信息
Plant Cell Physiol. 1995 Sep;36(6):1157-62. doi: 10.1093/oxfordjournals.pcp.a078862.
Abstract
A novel isoenzyme of ascorbate peroxidase with molecular mass of 31 kDa was found to be localized on membranes of microbodies. Intact microbodies had no latent ascorbate peroxidase activity, an indication that the active site of the ascorbate peroxidase was exposed to the cytosol and the peroxidase would scavenge hydrogen peroxide leaked from microbodies.
摘要
一种分子量为31 kDa的新型抗坏血酸过氧化物酶同工酶被发现定位于微体膜上。完整的微体没有潜在的抗坏血酸过氧化物酶活性，这表明抗坏血酸过氧化物酶的活性位点暴露于细胞质溶胶中，并且该过氧化物酶会清除从微体泄漏的过氧化氢。
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