PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1380451-6 1992 This was confirmed by creating a chimeric subunit (QN/HC), in which QN was linked to the C-terminal peptide of the H subunit of Torpedo AChE, which contains the glycophosphatidylinositol (GPI) cleavage/attachment signal: co-expression of AChET and QN/NC produced GPI-anchored tetramers, which were sensitive to PI-PLC and largely exposed to the external surface of the cells. GPI 1046 188-191 acetylcholinesterase (Cartwright blood group) Homo sapiens 136-140