Characterization of antigens recognized by monoclonal and polyclonal antibodies directed against uvomorulin.
AUTOR(ES)
Peyriéras, N
RESUMO
Uvomorulin is a cell surface glycoprotein involved in compaction of early mouse embryo. Antibodies, either monoclonal or polyclonal, raised against a purified tryptic fragment of uvomorulin recognize, in a detergent lysate of embryonal carcinoma cells metabolically labeled with 35S, three molecules (120, 100, and 88 kDa) that are not related, as judged by peptide mapping. Only the 120-kDa form is related to the tryptic fragment of uvomorulin and, thus, is considered as the native form of uvomorulin. Although all three products are apparently detectable at the cell surface, only the 120-kDa form is glycosylated. Coimmunoprecipitation of the three different polypeptides is probably due to shared epitopes rather than to their presence in a multimeric complex.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=391443Documentos Relacionados
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