PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15526190-4 2005 In the present study we investigate whether these As-GSH complexes are substrates for arsenic methyltransferase by using human recombinant Cyt19. as-gsh 50-56 arsenite methyltransferase Homo sapiens 139-144