The major storage protein of llS class of soybean seeds, glycinin, has a complex subunit structure. Each of the six subunits is composed of two pro-tein molecules (acidic and basic), linked via disulphide bonds (Badley et al., 1975). Depending on subunit, the acidic moiety molecular weight varies from 37,000 to 42,000, with one exception (m.w. 10,000).
Alexenko, A. Y.; Sichkar, V. I.; Timokhina, E. A.; Musatova, A. A.; and Vinetsky, Yu. P.
"Research Notes : U.S.S.R. : Subunit composition of glycinin from various samples of cultivated and wild soybean,"
Soybean Genetics Newsletter: Vol. 12
, Article 28.
Available at: http://lib.dr.iastate.edu/soybeangenetics/vol12/iss1/28