β-半乳糖苷酶的氨基酸序列。VIII. NH2末端片段的序列，CNBr肽1至9，第1至377位残基
Amino acid sequence of beta-galactosidase. VIII. Sequence of the NH2-terminal segment, CNBr peptides 1 to 9, residues 1 to 377.
作者信息
Fowler A V, Zabin I
出版信息
J Biol Chem. 1978 Aug 10;253(15):5505-9.
PMID:97295
Abstract
The amino acids in 9 cyanogen bromide peptides have been placed in sequence starting from the NH2 terminus. The peptides account for residues 1 to 377 of the whole protein and include the largest (CNBr7, 119 residues) and the smallest (CNBr1, 2 residues) of the cyanogen bromide peptides. This region contains only 3 of the 20 lysine residues in the polypeptide chain. A high proportion of charged groups are present (28 of 66 arginine, 28 of 60 glutamic acid, and 24 of 65 aspartic acid residues).
摘要
已从NH2末端开始对9个溴化氰肽中的氨基酸进行了排序。这些肽占整个蛋白质的1至377位残基，包括溴化氰肽中最大的（CNBr7，119个残基）和最小的（CNBr1，2个残基）。该区域在多肽链的20个赖氨酸残基中仅包含3个。存在高比例的带电基团（66个精氨酸残基中的28个、60个谷氨酸残基中的28个和65个天冬氨酸残基中的24个）。
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