>sp|C3MYP9|DPHB_SULIM Diphthine synthase OS=Sulfolobus islandicus GN=dphB MSILSLVGLGISKKFITENAIDTLNNSDIIIFDKYTSRSCDINVDVLRRLVKGGKTLIEA DRSLLENNSKIIMDYLDKNYNVSIASIGDVLIATTHVSLLIEAKQRGHNVKVIPGISVHC YLISKSLLSSYKFGKSVTVTFPYNDFIDPTPYNVIKDNKERGLHTILYLDLKSEKAMTAN EALQILLRLEDKHRKNVLSKSDIVIVGARLGCDDEKIVALTVEEATLYDFGNTPHIIIIP GNLHYMEADAIKWMLMS