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大肠杆菌噬菌体MS2 A蛋白的序列。II. 胰凝乳蛋白酶消化肽段的分离与序列测定

Sequence of the A-protein of coliphage MS2. II. Isolation and sequence determination of chymotryptic peptides.

作者信息

Vandekerckhove J S, Gielen J G, Van Montagu M C

出版信息

J Biol Chem. 1977 Nov 10;252(21):7761-72.

PMID:914837
Abstract

A total of 94 different peptides have been isolated from chymotryptic digests of underivatized (35 mg) and of reduced, carboxymethylated and citraconylated (48 mg) A-protein. Their amino acid sequences provide information for 375 residues of the total of 393 amino acids of the A-protein polypeptide chain. Abnormal specificity of chymotrypsin in the digestion of citraconylated A-protein was observed.

摘要

从未衍生化的（35毫克）以及还原、羧甲基化和柠康酰化的（48毫克）A蛋白的胰凝乳蛋白酶消化物中总共分离出94种不同的肽。它们的氨基酸序列为A蛋白多肽链393个氨基酸中的375个残基提供了信息。观察到胰凝乳蛋白酶在消化柠康酰化A蛋白时具有异常的特异性。

相似文献

1
Sequence of the A-protein of coliphage MS2. II. Isolation and sequence determination of chymotryptic peptides.大肠杆菌噬菌体MS2 A蛋白的序列。II. 胰凝乳蛋白酶消化肽段的分离与序列测定
J Biol Chem. 1977 Nov 10;252(21):7761-72.
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Sequence of the A-protein of coliphage MS2. III. Isolation and sequence determination of thermolytic peptides and soluble cyanogen bromide fragments: alignment of 363 amino acid residues of a total of 393.
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3
Sequence of the A-protein of coliphage MS2. I. Isolation of A-protein, determination of the NH2- and COOH-terminal sequences, isolation and amino acid sequence of the tryptic peptides.大肠杆菌噬菌体MS2 A蛋白的序列。I. A蛋白的分离、氨基末端和羧基末端序列的测定、胰蛋白酶肽段的分离及氨基酸序列分析
J Biol Chem. 1977 Nov 10;252(21):7752-60.
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引用本文的文献

1
Mammalian cytoplasmic actins are the products of at least two genes and differ in primary structure in at least 25 identified positions from skeletal muscle actins.哺乳动物细胞质肌动蛋白是至少两个基因的产物，并且在至少25个已确定的位置上，其一级结构与骨骼肌肌动蛋白不同。
Proc Natl Acad Sci U S A. 1978 Mar;75(3):1106-10. doi: 10.1073/pnas.75.3.1106.