Anderson D, Raffioni S, Luporini P, Bradshaw R A, Eisenberg D
Department of Chemistry and Biochemistry, University of California, Los Angeles 90024.
J Mol Biol. 1990 Nov 5;216(1):1-2. doi: 10.1016/S0022-2836(05)80055-5.
A protein mating pheromone Er-1 from the ciliate Euplotes raikovi has been crystallized from (NH4)2SO4 in two forms. Both are suitable for structural studies to at least 2.8 A resolution. Both unit cell sizes are consistent with a tetramer of molecular weight 17,640 in the asymmetric unit.