Maackia amurensis Lectin (MAA/MAL I + II) is composed of two isolectins extracted from Maackia amurensis seeds and purified by affinity chromatography. MAA I + II can be used to detect N-linked and O-linked sialylated glycans. Neither isolectin agglutinates one blood type more than another and agglutination can be inhibited by lactose at high concentrations.Cy5, when bound to Maackia amurensis Lectin (MAA/MAL I+II), can show the binding pattern of this lectin in cellular imaging and flow cytometry. The excitation wavelength required for Cy5 to fluoresce is high enough to avoid overlap with most other fluorochromes, making it useful for dual-labeling experiments. Because of this high excitation, there is typically less background from autofluorescence of biological specimens.