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. 2020 Jan 16;11:303. doi: 10.1038/s41467-019-14220-z

Fig. 5. Requirement of the phosphate residue at the 6th-position of O-Man.

Fig. 5

a Enzymatic activity of sFKRP with CDP-Rbo and the RboP-(phospho-)core M3 peptide. The products were analyzed by HPLC. Upper, without sFKRP; lower, with sFKRP. S1, acceptor substrate [RboP-(phospho-)core M3 peptide]; P1, product of the reaction of sFKRP with CDP-Rbo. b No enzymatic activity was observed for sFKRP with CDP-Rbo and the RboP-core M3 peptide. The products were analyzed by HPLC. Upper, without sFKRP; lower, with sFKRP. S2, acceptor substrate (RboP-core M3 peptide). Eluates with the retention times indicated by dotted lines were subjected to MS analysis (Supplementary Fig. 6).