>sp|Q9YDI2|DPHB_AERPE Diphthine synthase OS=Aeropyrum pernix GN=dphB MARGREAVTLLLVGWGYAPGMQTLEALDAVRRADVVYVESYTMPGSSWLYKSVVEAAGEA RVVEASRRDLEERSREIVSRALDAVVAVVTAGDPMVATTHSSLAAEALEAGVAVRYIPGV SGVQAARGATMLSFYRFGGTVTLPGPWRGVTPISVARRIYLNLCAGLHTTALLDVDERGV QLSPGQGVSLLLEADREYAREAGAPALLARLPSVLVEAGAGGGHRVLYWSSLERLSTADV EGGVYSIVIPARLSGVEEWLLAAASGQRRPLEYDRSVYETVEENCKKGVYMEPV