The Schizosaccharomyces pombe cwg2+ gene codes for the beta subunit of a geranylgeranyltransferase type I required for beta-glucan synthesis.
Díaz M, Sanchez Y, Bennett T, Sun CR, Godoy C, Tamanoi F, Duran A, Perez P. EMBO J. 1993 Dec 15; 12(13):5245-54.