Characterization of a monoclinic crystal form of an enzyme of steroid metabolism, Δ5-3-ketosteroid isomerase☆

Characterization of a monoclinic crystal form of an enzyme of steroid metabolism, Δ5-3-ketosteroid isomerase☆
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类固醇代谢酶Δ5-3-酮类固醇异构酶单斜晶型的表征☆

DOI:
10.1016/0022-2836(76)90225-4
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发表时间:
1976
影响因子:
5.6
通讯作者:
P. Talalay
P. Talalay
中科院分区:
生物学2区
文献类型:
--
作者:
E. Westbrook;P. Sigler;H. Berman;J. Glusker;G. Bunick;A. Benson;P. Talalay

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来自睾酮假单胞菌(EC 5.3)的Δ 5-3-酮类异构酶呈单斜晶型(P2 1, A = 140.4 A°,b= 85.0 A°,c= 94.5 A°,β= 130.1°)。3.1),在pH 7.0下生长。晶体密度测量表明,不对称单元包含12个原聚物(M r= 13,394)。
A monoclinic crystal form (P2 1, a= 140.4 A ̊, b= 85.0 A ̊, c= 94.5 A ̊, β= 130.1°) of Δ 5-3-ketosteroid isomerase from Pseudomonas testosteroni (EC 5.3. 3.1), grown at pH 7.0, has been characterized. Crystal-density measurements show that the asymmetric unit contains 12 protomers (M r= 13,394).