(1997) J. Biol. Chem. 272, 24313-24318] purified UDP-GlcNAc 2-epimerase and ManNAc kinase from rat liver cytosol by a series of chro-matography on phenyl-Sepharose, ATP-agarose, and Mono Q. The activities of two enzymes were always co-purified, SDS-PAGE exhibited that the purified ...