alpha-Substance IB is produced by alpha-mating type cells of Saccharomyces cerevisiae and induces sexual agglutinability in the opposite alpha type cells. Sakurai, A; et al., Agric. Biol. Chem., 49, 1451, (1976); Aoyagi, H; Izumiya, N; Bull. Chem. Soc. Jpn., 50, 2387, (1977); Aoyagi, H; et al., Experimentia, 33, 870, (1977).
Molecular Weight: 685.82
