Crystallization and preliminary X-ray investigation of calmodulin.
Crystals of rat testis calmodulin, a multifunctional Ca2+-binding protein have been grown from solutions of 2-methyl-2,4-pentanediol. The crystals are triclinic, space group P1, with a = 29.79(4) A, b = 53.74(7) A, c = 24.78(3) A, alpha = 93.46(2)degrees, beta = 96.98(2)degrees, and gamma = 89.05(3)degrees. There is 1 calmodulin molecule per unit cell. The crystals are quite stable to x-rays and diffract beyond 2.5 A resolution.
Cook, WJ; Dedman, JR; Means, AR; Bugg, CE
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