PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26673696-2 2016 Here, we describe structural features of the MutY active site bound to an azaribose transition state analog which indicate a catalytic role for Tyr126 and approach of the water nucleophile on the same side as the departing adenine base. azaribose 74-83 mutY DNA glycosylase Homo sapiens 45-49