PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10793139-2 2000 GPIs have a conserved trimannosyl core bearing a phosphoethanolamine (EthN-P) moiety on the third mannose (Man-3) through which the glycolipid is linked to protein, but diverse GPI precursors with EthN-Ps on Man-1 and Man-2 have also been described. trimannosyl 22-33 LEM domain containing 3 Homo sapiens 208-213