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西葫芦(番瓜)质体蓝素的氨基酸序列。

The amino acid sequence of plastocyanin from Cucurbita pepo L. (vegetable marrow).

作者信息

Scawen M D, Boulter D

出版信息

Biochem J. 1974 Nov;143(2):257-64. doi: 10.1042/bj1430257.

Abstract

The amino acid sequence of plastocyanin from marrow was determined. It consists of a single polypeptide chain of mol.wt. 10284 containing 99 amino acid residues. The sequence was determined by using a Beckman 890C automatic sequencer and by dansyl-phenyl isothiocyanate analysis of peptides obtained by the enzymic digestion of purified CNBr fragments. The sequence is in good agreement with the amino acid composition, except that fewer residues of glutamic acid were found in the sequence than were suggested by the composition. Evidence for histidine-37 was weaker than for the rest of the sequence. A ;tree' of phylogenetic affinities was constructed by using several higher-plant plastocyanin sequences.

摘要

测定了骨髓中质体蓝素的氨基酸序列。它由一条分子量为10284的单多肽链组成,含有99个氨基酸残基。该序列通过使用贝克曼890C自动测序仪以及对纯化的溴化氰片段酶解得到的肽段进行丹磺酰苯异硫氰酸酯分析来确定。除了序列中发现的谷氨酸残基比组成分析所提示的少之外,该序列与氨基酸组成吻合良好。组氨酸-37的证据比序列其余部分的证据弱。通过使用几个高等植物质体蓝素序列构建了一个系统发育亲缘关系的“树”。

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Proc Natl Acad Sci U S A. 1969 Oct;64(2):771-8. doi: 10.1073/pnas.64.2.771.
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