the 32p-labelled protein isolated from plasma membranes of exponentially growing cells expressed an efficient udp- [ 14c ] glucuronic acid- and udp-n-acetyl [ 3h ] glucosamine-binding activity and was able to synthesize oligosaccharides ( mr 5000 ) of [ 14c ] glucuronic acid and n-acetyl [ 3h ] glucosamine residues .
C0007603
plasma membranes
C0007634
cells