溪七鳃鳗（Lampetra planeri，布洛赫）（盲鳗目，无颌类）中嘌呤核苷磷酸化酶的变异：三聚体酶结构的证据
Purine nucleoside phosphorylase variation in the brook lamprey, Lampetra planeri (Bloch) (Petromyzone, Agnatha): evidence for a trimeric enzyme structure.
作者信息
Ward R D, McAndrew B J, Wallis G P
出版信息
Biochem Genet. 1979 Apr;17(3-4):251-6. doi: 10.1007/BF00498966.
PMID:114162
Abstract
Genetic evidence for a trimeric structure for purine nucleoside phosphorylase in the brook lamprey is presented. This enzyme is encoded by a single locus with two alleles segregating at frequencies of 0.98 and 0.02 in a Welsh population. It is suggested that this enzyme is likely to be a trimer in all classes of vertebrates.
摘要
本文提供了关于溪鳗嘌呤核苷磷酸化酶三聚体结构的遗传证据。该酶由一个单一位点编码，在威尔士种群中有两个等位基因，其分离频率分别为0.98和0.02。研究表明，在所有脊椎动物类别中，这种酶可能都是三聚体。
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