PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10471279-1 1999 Saccharomyces cerevisiae possesses two functional homologues (Ntg1p and Ntg2p) of the Escherichia coli endonuclease III protein, a DNA base excision repair N-glycosylase with a broad substrate specificity directed primarily against oxidatively damaged pyrimidines. Pyrimidines 252-263 endonuclease III Escherichia coli 103-119