大肠杆菌基因appA的完整核苷酸序列显示，pH 2.5酸性磷酸酶和葡萄糖-1-磷酸酶之间存在显著同源性。
The complete nucleotide sequence of the Escherichia coli gene appA reveals significant homology between pH 2.5 acid phosphatase and glucose-1-phosphatase.
作者信息
Dassa J, Marck C, Boquet P L
机构信息
Service de Biochimie, Département de Biologie, Gif-sur-Yvette, France.
出版信息
J Bacteriol. 1990 Sep;172(9):5497-500. doi: 10.1128/jb.172.9.5497-5500.1990.
Abstract
The whole nucleotide sequence of Escherichia coli gene appA, which encodes periplasmic phosphoanhydride phosphohydrolase (optimum pH, 2.5), and its flanking regions was determined. The AppA protein is significantly homologous to the product of the nearby gene agp, acid glucose-1-phosphatase. Because identical amino acids are distributed over the whole lengths of the proteins, it is likely that appA and agp originate from the same ancestor gene.
摘要
测定了编码周质磷酸酐磷酸水解酶（最适pH为2.5）的大肠杆菌基因appA及其侧翼区域的完整核苷酸序列。AppA蛋白与附近的酸性葡萄糖-1-磷酸酶基因agp的产物具有显著的同源性。由于相同的氨基酸分布在蛋白质的全长上，appA和agp很可能起源于同一个祖先基因。
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