PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16131754-5 2005 The major structural feature distinguishing human GAPDH from PfGAPDH is the insertion of a dipeptide (-KG-) in the so-called S loop. Dipeptides 91-100 glyceraldehyde-3-phosphate dehydrogenase Homo sapiens 50-55