ribosyln.

1945 Adv. in Carbohydrate Chem. 1 200 However, from a consideration of the formulas of adenine and guanine, the ribosyl group cannot be attached at position (2') of the purine.

1947 Jrnl. Biol. Chem. 171 377 The preparation from the deacylated free nucleosides with a 5 to 10 per cent excess of chlorine, as described for the synthesis of 1- d-ribosyl-5-chlorouracil, is undoubtedly the method of choice.

1970 R. W. McGilvery Biochemistry xx. 465 The rate of the reaction is probably always limited by the supply of the ribosyl compound.

2003 New Scientist 15 Mar. 45/1 Phosphate groups, small proteins called ubiquitins and ribosyl groups, among others, decorate the histone tails.