PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16980404-5 2006 All examined SHMT contain an 8-amino-acid conserved sequence, VTTTTHKT, containing the active-site lysyl residue (Lys 251 in TvSHMT) that forms an internal aldimine with PLP. aldimine 156-164 serine hydroxymethyltransferase 1 Homo sapiens 13-17