PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24434121-9 2014 All forms of Sepp1 except Sepp1(U40S), which contains serine in place of the selenocysteine, were TrxR1 substrates, catalyzing NADPH oxidation when coupled with H2O2 or tert-butylhydroperoxide as the terminal electron acceptor. tert-Butylhydroperoxide 169-192 selenoprotein P Mus musculus 13-18