PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16478646-4 2007 A novel missense mutation of SMAD2, located in exon 8 at codon 276 TCG (ser) -->TTG (leu), was identified in cell line SCC-15. TMG-chitotriomycin 67-70 SMAD family member 2 Homo sapiens 29-34