these observations indicate that the acrosomes of bovine and hamster sperm possess an immunologically related mr 22,000 protein and suggest that differences in mab 4/18-staining of spermatids and spermatozoa is a result of epitope modification and/or a change in accessibility of the epitope to the antibody probe during the course of spermiogenesis .
C0003250
mab
C0003241
antibody