PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2866032-4 1986 Enzymological studies revealed that the activity of adenine phosphoribosyltransferase (EC 2.4.2.7), which is believed to conjugate SM-108 with 5-phospho-alpha-D-ribose 1-diphosphate, was very low in the resistant sublines. Phosphoribosyl Pyrophosphate 143-181 adenine phosphoribosyl transferase Mus musculus 52-85