特異性：BM 19.21 represents an excellent marker to discriminate glandular epithelial carcinoma from those of different origin. No reaction with hepatocellular ca. Polypeptide Reacting: Mr 40 000 polypeptide (keratin K19; formerly also designated cytokeratin 19) of human glandular epithelia. The epitope has been localized on aa. 346-359 (LADVRADSERQNQE) of the alpha-helical fragment.
純度：>95% pure (SDS-PAGE). Protein A chromatography.
