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Cover Identification of glycoproteins using proteins produced from the yeast movable ORF (MORF) collection. Shown here is an immunofluorescence scan of a proteome chip containing 5573 individually purified proteins from the MORF collection probed with antibodies directed against yeast glycans (red). Protein spots with substantial reactivity are flagged with a depiction of an N-linked glycan core structure. The background contains a partial list of the genes cloned into the MORF collection; the highest-ranked candidate glycoproteins identified are highlighted. (For details, see Gelperin et al., p. 2816.)