Rattus norvegicus adult male Fischer 344 rats, gene arsM 673463 Rhodopseudomonas palustris - 676841, 733950 Rhodopseudomonas palustris gene arsM 673463 Rhodopseudomonas palustris genes arsM and arsMC2 697651 Rhodopseudomonas palustris CGA009 - 676841 Saimiri sp. - 660549 Strongylocentrotus purpuratus gene arsM 673463 Tetrahymena pyriformis - 733203