PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11726282-8 2001 The human GlcNAc 2-epimerase activity could not be detected in the absence of a nucleotide, whereas ATP, dATP, ddATP, ADP, and GTP enhanced the human GlcNAc 2-epimerase activity. Guanosine Triphosphate 127-130 renin binding protein Homo sapiens 150-168