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Protein N-Glycosylation Deficiencies
MALDI-TOF-MS spectra of the permethylated N-glycans from sera of control and TMEM165-deficient individuals. The symbols representing sugar residues are as follows: closed square, N-acetylglucosamine; open circle, mannose; closed circle, galactose; open diamond, sialic acid; and closed triangle, fucose. Linkages between sugar residues have been removed for simplicity.
