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首页> 外文期刊>Acta crystallographica.Section D. Biological crystallography >Crystallographic studies of the interaction between the ferredoxin-NADP~+ reductase and ferredoxin from the cyanobacterium Anabaena: looking for the elusive ferredoxin molecule
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Crystallographic studies of the interaction between the ferredoxin-NADP~+ reductase and ferredoxin from the cyanobacterium Anabaena: looking for the elusive ferredoxin molecule

机译：晶体研究的互动ferredoxin-NADP ~ +还原酶和之间铁氧还蛋白从藻青菌淡水藻类的一种:寻找难以捉摸的铁氧还蛋白分子

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摘要

Ferredoxin-NADP~+ reductase (FNR) and its physiological electron donor ferredoxin (Fd) from the cyanobacterium Anabaena PCC7119 have been co-crystallized. The unit-cell parameters are a = b = 63.72, c = 158.02 A and the space group is P2_12_12_1. The crystal structure has been solved with 2.4 A resolution synchrotron data by molecular replacement, anomalous dispersion and R_(min) search methods. For the computations, the crystal was treated as a merohedral twin. The asymmetric unit contains two FNR molecules and one ferredoxin molecule. The packing of the FNR molecules displays a nearly tetragonal symmetry (space group P4_32_12), whereas the ferredoxin arrangement is orthorhombic. This study provides the first crystallographic model of a dissociable complex between FNR and Fd.
机译：Ferredoxin-NADP ~ +还原酶(FNR)及其生理捐赠者铁氧还蛋白(Fd)藻青菌的项圈藻PCC7119co-crystallized。b = 63.72, c = 158.02和空间群P2_12_12_1。2.4解决同步数据分子置换、反常色散R_ (min)搜索方法。水晶被视为缺面的双胞胎。不对称单元包含两个分子FNR和一个铁氧还蛋白分子。分子显示近正方对称(空间群P4_32_12),而铁氧还蛋白斜方晶系的安排。第一个晶体的可分离的模型复杂的FNR和Fd之间。

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