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. 2019 May 28;24(11):2033. doi: 10.3390/molecules24112033

Figure 1.

Figure 1

Human milk oligosaccharide (HMO) blueprint structure [1]. Gal: galactose, Glc: glucose, GlcNAc: N-acetylglucosamine, Fuc: fucose, Sia: sialic acid (N-acetylneuraminic acid). Lactose is at the reducing end of all HMO structures, which may be elongated with β-N-acetyllactosamine (LacNAc) or lacto-N-biose units. Both lactose and elongated structures may be decorated with Fuc and/or Sia. The colored shapes indicate the Symbol Nomenclature for Glycans (SNFG [8], https://www.ncbi.nlm.nih.gov/glycans/snfg.html), which is commonly used for presenting the numerous HMO structures.