... Carbohydrate Research. Volume 325, Issue 2, 7 April 2000, Pages 120–131. ... The enzyme formed regioselectively β-Gal-(1→6)-β-Gal-OC 6 H 4 NO 2 -p with (β-Gal-1→(6-β-Gal-1→) n 6-β-Gal-OC 6 H 4 NO 2 -p, n=1–4). No β-(1→3)-linked product was detected during the reaction ...