来自乏氧光合作用细菌的光合作用基因表达的 PpaA/AerR 调节剂含有血红素结合 SCHIC 结构域。
The PpaA/AerR regulators of photosynthesis gene expression from anoxygenic phototrophic proteobacteria contain heme-binding SCHIC domains.
机构信息
Department of Molecular Biology, University of Wyoming, Dept. 3944, 1000 E. University Ave., Laramie, WY 82071, USA.
出版信息
J Bacteriol. 2010 Oct;192(19):5253-6. doi: 10.1128/JB.00736-10. Epub 2010 Jul 30.
Abstract
The SCHIC domain of the B12-binding domain family present in the Rhodobacter sphaeroides AppA protein binds heme and senses oxygen. Here we show that the predicted SCHIC domain PpaA/AerR regulators also bind heme and respond to oxygen in vitro, despite their low sequence identity with AppA.
摘要
类 B12 结合结构域家族的 SCHIC 结构域存在于球形红杆菌 AppA 蛋白中，可结合血红素并感应氧气。在此，我们表明，预测的 SCHIC 结构域 PpaA/AerR 调节剂尽管与 AppA 的序列同一性较低，但也在体外结合血红素并对氧气作出反应。
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