immunofluorescence and immunoblotting analysis , performed using monoclonal and polyclonal antibodies to human erythroid alpha-spectrin and protein 4.1 and to brain spectrin ( fodrin ) , demonstrated the presence of analogues of spectrin and fodrin in spermatocytes and round spermatids and of protein 4.1-like molecules in spermatocytes , spermatids and spermatozoa .
C0006104
brain
C0870814
molecules