As analyzed on polyacrylamide gel electrophoresis in denaturing conditions (SDS-PAGE), CRL A and CRL B both have the same molecular weight range of 62000-64000Da.

• SDS聚丙烯酰胺凝胶电泳分析发现,CRL A和CRL B的分子量几乎相同(约为62000~64000Da)。