Structure of the ATP synthase complex (ECF1F0) of Escherichia coli from cryoelectron microscopy.

Structure of the ATP synthase complex (ECF1F0) of Escherichia coli from cryoelectron microscopy.
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冷冻电子显微镜下大肠杆菌 ATP 合成酶复合物 (ECF1F0) 的结构。

DOI:
10.1021/bi00474a019
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发表时间:
1990
期刊:
影响因子:
2.9
通讯作者:
Capaldi,RA
Capaldi,RA
中科院分区:
生物学3区
文献类型:
--
作者:
Lücken,U;Gogol,EP;Capaldi,RA

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Materials and Methods Preparation and Reconstitution of ECF\FQ. ECF, F0 was prepared and reconstituted into membrane structures at a high protein-to-lipid ratio as described previously (Aggeler et al., 1987).Reconstitution of ECF, F0 into vesicles with a low proteinto-lipid ratio was accomplished by mixing 500 pL of ECF, F0 (0.5 mg/mL), containing 0.35 mg/mL egg phosphotidylcholine (Sigma), 0.75% deoxycholate, and 1.25% potassium cholate, with 200 pL of egg phosphatidylcholine (10 mg/mL) dissolved in 4% potassium cholate, under a nitrogen atmosphere. The mixture was sonicated briefly with a Branson sonifier equipped with a microtip and then stirred for 1 h at 4 C. The clear solution was dialyzed at 4 C against two changes of 100 mL of 50 mM Tris-HCl (pH 7.5), 5 mM MgS04, 1 mM DTE,
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