Plasma Membrane b-Type Cytochromes

Plasma Membrane b-Type Cytochromes
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质膜 b 型细胞色素

DOI:
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发表时间:
1998
期刊:
影响因子:
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通讯作者:
P. Trost
P. Trost
中科院分区:
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文献类型:
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作者:
H. Asard;N. Horemans;V. Preger;P. Trost

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b型细胞色素(cyt)是一类众所周知的氧化还原蛋白,其存在于线粒体、叶绿体和细菌细胞膜中的电子传递链中。它们的生理功能取决于非共价结合的血红素辅基的氧化还原性质。每个血红素分子(原卟啉IX)基本上接受来自供体分子的一个电子。除了某些含有b型cyt结构域的可溶性酶(例如硝酸还原酶,坎贝尔,1996)和红细胞中的细胞色素b5(细胞色素b5是一种细胞质蛋白质)(Velick和Strittmater,1956; Hultquist和Passon,1971)之外,cyt B大多以膜结合蛋白的形式存在。它们与细胞过程的偶联由电子供体和受体分子的性质决定。
b-Type cytochromes (cyts) are a class of redox proteins well known from electron-transport chains found in mitochondria, chloroplasts and bacterial cell membranes. Their physiological function is dependent on the oxidation-reduction properties of the non-covalently bound heme prosthetic group. Each heme molecule (protoporphyrin IX) essentially accepts one electron from a donor molecule. With the notable exceptions of certain soluble enzymes containing a b-type cyt domain (e.g. nitrate reductase, Campbell, 1996) and of cytochrome b5 in erythrocytes which is a cytoplasmic protein (Velick and Strittmater, 1956; Hultquist and Passon, 1971), cyts b mostly occur as membrane-bound proteins. Their coupling to cellular processes is determined by the nature of the electron donor and acceptor molecules.
DOI: 10.1105/tpc.7.4.473
发表时间: 1995-04-01
期刊: PLANT CELL
影响因子: 11.6
作者:
LISCUM, E;BRIGGS, WR
通讯作者: BRIGGS, WR
DOI: 10.1111/j.1432-1033.1989.tb14796.x
发表时间: 1989
期刊: European journal of biochemistry
影响因子: --
作者:
DegliEsposti,M;Palmer,G;Lenaz,G
通讯作者: Lenaz,G