土壤变形虫卡氏棘阿米巴线粒体组分中一氧化碳和氧气反应性血红蛋白。零下温度下的研究。
Carbon monoxide- and oxygen-reacting haemoproteins in the mitochondrial fraction from the soil amoeba Acanthamoeba castellanii. Studies at subzero temperatures.
作者信息
Lloyd D, Edwards S W, Chance B
出版信息
Biochem J. 1981 Nov 15;200(2):337-42. doi: 10.1042/bj2000337.
Abstract
- Mitochondria-enriched fractions of the soil amoeba Acanthamoeba castellanii contained four haemoproteins that in their reduced forms reacted with CO to give photodissociable CO complexes; these were cytochromes a 3, a 614, b- and c-type cytochromes. 2. Non-photodissociable oxygen-containing compounds were formed at temperatures between -130 and -150 degrees C after photodissociation of CO in the presence of 200 microM-O2, 3. Electron transport, indicated by the oxidation of cytochromes a + a3 and cytochrome c, did not occur until the temperature was raised to -80 degrees C.
摘要
- 土壤变形虫卡氏棘阿米巴富含线粒体的组分含有四种血红蛋白，它们的还原形式与一氧化碳反应生成可光解的一氧化碳复合物；这些是细胞色素a3、a614、b型和c型细胞色素。2. 在200微摩尔氧气存在下，一氧化碳光解后，在-130至-150摄氏度之间的温度下形成了不可光解的含氧化合物。3. 细胞色素a + a3和细胞色素c的氧化表明电子传递，直到温度升至-80摄氏度才发生。
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本文引用的文献
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