The relative molecular weights of ChA and ChB were 64 kDa and 74 kDa by Sephacryl S 100 gel filtration, and 43 kDa and 115 kDa by SDS-PAGE.

• 使用凝胶过滤法测得ChA和ChB的相对分子质量分别为64 kDa和74 kDa; 采用SDS-PAGE法测得ChA和ChB的相对分子质量分别为43 kDa和115 kDa。