The antigenic epitopes recognized by WM53 are located in the AAR 17-60 of CD33 antigen. The antigenic epitopes recognized by M195 are located in the AAR 170-262 of CD33 antigen.

• 结论HIM3-4、WM53、M195识别的CD33抗原表位分别位于115~170、17~60、170~262氨基酸。