光合藻类蓝纤维藻中的亚铁螯合酶活性。光合色素生物合成过程中该酶的发育。
Ferrochelatase activity in the photosynthetic alga Cyanidium caldarium. Development of the enzyme during biosynthesis of photosynthetic pigments.
作者信息
Brown S B, Holroyd J A, Vernon D I, Jones O T
出版信息
Biochem J. 1984 Jun 15;220(3):861-3. doi: 10.1042/bj2200861.
Abstract
Dark-grown cells of the photosynthetic alga Cyanidium caldarium were shown to contain ferrochelatase activity, which increased markedly when the cells were induced to form pigments by exposure to light. Km values for the crude enzyme preparation were 14.8 microM and 6.5 microM for binding of Co2+ and deuteroporphyrin IX respectively.
摘要
光合藻类蓝氏贾第鞭毛虫黑暗培养的细胞显示含有亚铁螯合酶活性，当细胞通过光照诱导形成色素时，该活性显著增加。粗酶制剂结合Co2+和原卟啉IX的Km值分别为14.8 microM和6.5 microM。
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