多毛纲沙蚕肌浆钙结合蛋白的结晶及初步X射线研究
Crystallization and preliminary x-ray investigation of sarcoplasmic calcium-binding protein from Nereis diversicolor.
作者信息
Babu Y S, Cox J A, Cook W J
出版信息
J Biol Chem. 1987 Aug 25;262(24):11884-5.
PMID:3624239
Abstract
Crystals of sarcoplasmic calcium-binding proteins from Nereis diversicolor have been grown from solutions of ammonium sulfate. The crystals are monoclinic, space group P2(1); the axes are a = 43.65 (1), b = 56.05 (1), c = 65.77 (1) A, and beta = 92.58 (2) degrees. The crystals are quite stable to x-rays and diffract beyond 2.5 A resolution. The asymmetric unit contains two protein molecules.
摘要
来自多毛纲沙蚕的肌浆钙结合蛋白晶体已从硫酸铵溶液中生长出来。这些晶体为单斜晶系，空间群为P2(1)；轴长分别为a = 43.65 (1)、b = 56.05 (1)、c = 65.77 (1) Å，β = 92.58 (2) 度。这些晶体对X射线相当稳定，衍射分辨率超过2.5 Å。不对称单元包含两个蛋白质分子。
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