Typical SDS–PAGE profiles for the four groups of soybeans with high or low protein content and with or without the globulin polypeptide 11SA4 are shown in Fig. 1.
The bands were identified according to the molecular weight of the protein ladder used and
also well-established data in the literature.
The percentage of
major subunits for b-conglycinin (7S) and glycinin (11S) within
each band was calculated using densitometry. The major protein
(s) identified in the SDS–PAGE bands using nano-LC/MS/MS and
data base searches are presented in Table 1.