PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8440233-1 1993 We have determined the mutational specificity of 8-methoxypsoralen photoaddition at the endogenous adenine phosphoribosyltransferase gene of Chinese hamster ovary cells hemizygous for this locus. Methoxsalen 49-66 adenine phosphoribosyltransferase Cricetulus griseus 99-132