Human lactase and the molecular basis of
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Jennifer Potter; Mae-Wan Ho; Hilary Bolton; Anna J. Furth; Dallas M. Swallow; Be
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Article
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1985
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Springer
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English
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## Human lactase purified from detergent extracts of the total membrane fraction of postmortem jejunum by means of monoclonal immunoadsorbent chromatography appears to be a dimer of subunits identical in Mr (16OK). Trypsin or papain removes a small hydrophobic anchoring peptide from each subunit t