枯草芽孢杆菌的细胞内蛋白酶
Intracellular proteinase of Bacillus subtilis.
作者信息
Stepanov V M, Strongin A Y, Isotova L S, Abramov Z T
出版信息
Acta Biol Med Ger. 1977;36(11-12):1509-13.
An intracellular serine proteinase was isolated from Bacillus subtilis, strain A-50. The molecular weight of the enzyme is 30000 +/- 1000, its amino acid composition is enriched in glutamic acid residues, the isoelectric point is 4.3, the N-terminal sequence Glu-Leu-Pro-Glu-Gly-Ile-Gln-Val-Ile-Lys-Ala-Pro-Glu-Leu-Xxx-Ala-Gln-Gly-Phe-Lys Gly-Ser-Asx-Ile-Lys-Ile-Ala-Val-Leu-Asx. The enzyme is structuraly homologous with secretory subtilisins.
从枯草芽孢杆菌A - 50菌株中分离出一种细胞内丝氨酸蛋白酶。该酶的分子量为30000±1000，其氨基酸组成富含谷氨酸残基，等电点为4.3，N端序列为Glu-Leu-Pro-Glu-Gly-Ile-Gln-Val-Ile-Lys-Ala-Pro-Glu-Leu-Xxx-Ala-Gln-Gly-Phe-Lys Gly-Ser-Asx-Ile-Lys-Ile-Ala-Val-Leu-Asx。该酶在结构上与分泌型枯草杆菌蛋白酶同源。
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