PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2777774-1 1989 Platelet-derived growth factor (PDGF), fibroblast growth factor, and heavy metal salts such as sodium arsenite stimulated BALB/c-3T3 cells to synthesize a 31-kDa protein(s) (termed p31) in a concentration-dependent manner. sodium arsenite 95-110 ATPase, H+ transporting, lysosomal V1 subunit E1 Mus musculus 181-184