PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1281977-7 1992 Enzyme activity was followed by measuring colorimetrically the N-acetylglucosamine released from aspartylglucosamine at 56 degrees C. The purified enzyme protein ran at a "native" molecular mass of 56 kDa in SDS/12.5%-PAGE gels, and the enzyme activity could be quantitatively recovered at this molecular mass by using gel slices as enzyme source in the assay. N-acetylglucosaminylasparagine 97-116 RAN, member RAS oncogene family Homo sapiens 162-165