Purification and crystallization of the respiratory complex formate dehydrogenase-N from Escherichia coli.
[No authors listed]
摘要
A membrane-protein complex, formate dehydrogenase-N from Escherichia coli, has been purified and crystallized. This molybdenum-containing enzyme, composed of alpha, beta and gamma subunits, is the major electron donor to the nitrate respiratory chain of E. coli. The formate dehydrogenase-N crystals belong to the cubic space group P2(1)3, with unit-cell parameters a = b = c = 203 A. An asymmetric unit of the crystals is assumed to contain one formate dehydrogenase-N monomer (MW 170 kDa). One data set to 1.6 A resolution, with 342 711 independent observations (94.4% complete) and an R(merge) of 0.08, has been collected from a single crystal. This is the highest resolution data set reported for a membrane-protein complex to date.
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基因功能
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原始数据
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文献解读
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