>sp|C3NHR8|DPHB_SULIN Diphthine synthase OS=Sulfolobus islandicus (strain Y.N.15.51 / Yellowstone #2) OX=419942 GN=dphB PE=3 SV=1 MSILSLVGLGISKKFITENAIDTLNNSDIIIFDKYTSRSCDINVDVLRRLVKGGKTLIEA DRSLLENNSKIIMDYLDKNYNVSIASIGDVLIATTHVSLLIEAKQRGHNVKVIPGISVHC YLISKSLLSSYKFGKSVTVTFPYNDFIDPTPYNVIKDNKERGLHTILYLDLKSEKAMTAN EALQILLRLEDKHRKNVLSKSDIVIVGARLGCDDEKIVALTVEEATLYDFGNTPHIIIIP GNLHYMEADAIKWMLMS