IgM molecular weight of Amur sturgeon, Chinese sturgeon and Huso sturgeon are 867KD, 896KD and 924KD respectively assayed by unreduced PAGE.

• 通过PAGE的方法测定出：史氏鲟，中华鲟和达氏鳇IgM的相对分子量分别为867KD，896KD和924KD；