Maackia amurensis lectin II (MAH) is the hemagglutinin isolectin from Maakia seeds. It is a glycoprotein consisting of four subunits. The molecular weight of the lectin is about 140,000 resolvable by SDS gel electrophoresis into two bands of 34,000 and 36,000D. The isoelectric point of this lectin is about pH 4.7 but demonstrates some charge heterogeneity. Although the specificity of this lectin is not well defined, MAL II appears to bind only particular carbohydrate structures that contain sialic acid. Unlike SNA which seems to prefer structures with (a-2,6) linked sialic acid, MAL II appears to bind sialic acid in an (a-2,3) linkage. While fetuin is a poor inhibitor, glycophorin is a very potent inhibitor of MAL II binding. Tissue staining patterns are also very different among MAL I, SNA and MAL II. Applications: Suitable for use in Glycobiology and Mitogenic Stimulation. Other applications not tested. Recommended Dilutions: Optimal dilutions to be determined by the researcher. Sugar Specificity: Sialic Acid Storage and Stability: May be stored at 4C. For long-term storage, aliquot and store at 4C. Do not freeze. Aliquots are stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.
Reinheit:
Homogeneous by SDS-PAGE
Formulierung:
Supplied as a liquid in 10mM HEPES, pH 7.5, 0.15M sodium chloride, 0.08% sodium azide, 0.1mM Ca2+.
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