用穆斯堡尔谱法鉴定蓝绿藻细胞膜中的非磁性铁中心及铁储存或运输物质。
Identification of a non-magnetic iron centre and an iron-storage or -transport material in blue--green algal membranes by Mössbauer spectroscopy.
作者信息
Evans E H, Carr N G, Rush J D, Johnson C E
出版信息
Biochem J. 1977 Sep 15;166(3):547-51. doi: 10.1042/bj1660547.
Abstract
At least two species of iron were identified in crude membrane preparations of the blue-green algae Chlorogloea fritschii and Anacystis nidulans by Mössbauer spectroscopy. One species was non-magnetic with chemical shift more characteristic of a ferredoxin-like centre than of any known low-spin Fe(II) biological compounds. Studies on cells grown under depleted-iron conditions show the other iron species to be part of the system for iron metabolic transport and/or storage.
摘要
通过穆斯堡尔光谱法，在蓝绿藻弗里茨绿胶藻和集胞藻的粗膜制剂中鉴定出至少两种铁物种。其中一种物种是非磁性的，其化学位移更具铁氧化还原蛋白样中心的特征，而非任何已知的低自旋铁（II）生物化合物。对在缺铁条件下生长的细胞的研究表明，另一种铁物种是铁代谢运输和/或储存系统的一部分。
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