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心肌细胞色素c1和细胞色素c之间的电子转移动力学

Kinetics of electron transfer between cardiac cytochromes c1 and c.

作者信息

Kim C H, Balny C, King T E

出版信息

Proc Natl Acad Sci U S A. 1984 Apr;81(7):2026-9. doi: 10.1073/pnas.81.7.2026.

DOI:10.1073/pnas.81.7.2026
PMID:6326099
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC345429/
Abstract

Highly purified cytochrome c1, which consists of only one heme peptide and does not form a stable c1-c complex (c1-H-c complex), was used in studies of electron transfer between cytochrome c1 and c. Results show that a stable and ionic-strength-sensitive c1-c complex (i.e., the c1-H-c complex) in the forms of the various oxidation states is not required, in contrast to the current belief of the participation of the complex in the electron transfer between cytochromes c1 and c. A minimum mechanism for electron transfer between these two cytochromes is suggested in accord with the experimental results.

摘要

高度纯化的细胞色素c1,它仅由一个血红素肽组成,且不形成稳定的c1-c复合物(c1-H-c复合物),被用于细胞色素c1和c之间电子转移的研究。结果表明,与目前认为该复合物参与细胞色素c1和c之间电子转移的观点相反,各种氧化态形式的稳定且对离子强度敏感的c1-c复合物(即c1-H-c复合物)并非必需。根据实验结果,提出了这两种细胞色素之间电子转移的最小机制。

相似文献

1
Kinetics of electron transfer between cardiac cytochromes c1 and c.心肌细胞色素c1和细胞色素c之间的电子转移动力学
Proc Natl Acad Sci U S A. 1984 Apr;81(7):2026-9. doi: 10.1073/pnas.81.7.2026.
2
Electron transfer between liposomal cytochrome c1 and cytochrome c: catalytic implications of electrostatic potentials.脂质体细胞色素c1与细胞色素c之间的电子转移:静电势的催化意义。
Biochem Biophys Res Commun. 1989 Aug 30;163(1):276-83. doi: 10.1016/0006-291x(89)92132-3.
3
Role of the hinge protein in the electron transfer between cardiac cytochrome c1 and c. Equilibrium constants and kinetic probes.铰链蛋白在心肌细胞色素c1和c之间电子传递中的作用。平衡常数和动力学探针。
J Biol Chem. 1987 Jun 15;262(17):8103-8.
4
Evidence for a protonmotive Q cycle mechanism of electron transfer through the cytochrome b-c1 complex.通过细胞色素b-c1复合体进行电子传递的质子动力Q循环机制的证据。
Biochem Biophys Res Commun. 1976 May 3;70(1):73-80. doi: 10.1016/0006-291x(76)91110-4.
5
Catalytic activity of cytochromes c and c1 in mitochondria and submitochondrial particles.线粒体和亚线粒体颗粒中细胞色素c和c1的催化活性。
Biochim Biophys Acta. 1976 Apr 9;430(1):30-45. doi: 10.1016/0005-2728(76)90219-x.
6
Rapid reduction of cytochrome c1 in the presence of antimycin and its implication for the mechanism of electron transfer in the cytochrome b-c1 segment of the mitochondrial respiratory chain.抗霉素存在时细胞色素c1的快速减少及其对线粒体呼吸链细胞色素b-c1片段中电子传递机制的意义。
J Biol Chem. 1981 Mar 10;256(5):2245-51.
7
Mapping of the interaction domain for purified cytochrome c1 on cytochrome c.纯化的细胞色素c1与细胞色素c相互作用结构域的定位
FEBS Lett. 1980 Mar 10;111(2):395-8. doi: 10.1016/0014-5793(80)80835-0.
8
Cardiac cytochrome c1.心脏细胞色素c1
Adv Enzymol Relat Areas Mol Biol. 1983;54:267-366.
9
The interaction between heme and protein in cytochrome c1.细胞色素c1中血红素与蛋白质之间的相互作用。
Biochim Biophys Acta. 1983 Jan 13;722(1):137-43. doi: 10.1016/0005-2728(83)90166-4.
10
A complex of cardiac cytochrome c1 and cytochrome c.心脏细胞色素c1和细胞色素c的复合物
J Biol Chem. 1976 Jan 10;251(1):29-36.

本文引用的文献

1
Reaction of oxygen with hydroxylamine oxidoreductase of Nitrosomonas: fast kinetics.氧与亚硝化单胞菌的羟胺氧化还原酶的反应:快速动力学
FEBS Lett. 1982 Aug 2;144(2):299-303. doi: 10.1016/0014-5793(82)80658-3.
2
Lack of evidence for a tetrahedral intermediate in the hydrolysis of nitroanilide substrates by serine proteinases. Subzero-temperature stopped-flow experiments.丝氨酸蛋白酶催化硝基苯胺底物水解过程中缺乏四面体中间体的证据。零下温度停止流动实验。
Eur J Biochem. 1981 Dec;120(3):477-85. doi: 10.1111/j.1432-1033.1981.tb05726.x.
3
A mitochondrial protein essential for the formation of the cytochrome c1-c complex. Isolation, purification, and properties.一种对细胞色素c1-c复合体形成至关重要的线粒体蛋白。分离、纯化及特性研究。
J Biol Chem. 1983 Nov 25;258(22):13543-51.
4
Cardiac cytochrome c1.心脏细胞色素c1
Adv Enzymol Relat Areas Mol Biol. 1983;54:267-366.
5
The indispensibility of a mitochondrial 15K protein for the formation of the cytochrome C1-cytochrome c complex.一种线粒体15K蛋白对于细胞色素C1-细胞色素c复合物形成的不可或缺性。
Biochem Biophys Res Commun. 1981 Jul 30;101(2):607-14. doi: 10.1016/0006-291x(81)91302-4.
6
The reaction between cytochrome c1 and cytochrome c.细胞色素c1与细胞色素c之间的反应。
Biochim Biophys Acta. 1981 Jun 12;636(1):9-16. doi: 10.1016/0005-2728(81)90069-4.
7
The isolation and purification of cytochrome c1 from bovine heart.从牛心分离纯化细胞色素c1。
Biochim Biophys Acta. 1980 Feb 27;621(2):283-95. doi: 10.1016/0005-2795(80)90180-4.
8
Identity of the heme-not-containing protein in bovine heart cytochrome c1 preparation with the protein mediating c1-c complex formation--a protein with high glutamic acid content.牛心细胞色素c1制剂中不含血红素的蛋白质与介导c1-c复合物形成的蛋白质的同一性——一种谷氨酸含量高的蛋白质。
J Biochem. 1982 Jun;91(6):2077-85. doi: 10.1093/oxfordjournals.jbchem.a133901.
9
Preparation and properties of cardiac cytochrome c 1 .心脏细胞色素c1的制备与性质
J Biol Chem. 1972 Feb 25;247(4):1012-9.
10
Spectroscopic determinations of enzyme-catalyzed reactions at subzero temperatures.在零下温度下酶催化反应的光谱测定。
Anal Biochem. 1974 Feb;57(2):555-63. doi: 10.1016/0003-2697(74)90110-9.