>tr|A0A832TF85|A0A832TF85_9CREN Diphthine synthase OS=Sulfurisphaera tokodaii GN=dphB MPTLKLIGLGLSAKFVTREAIDEISKCNVVLFESYTSLSCDINLDFIKFLNKNVIIVDRK FIENNIKEIIKLLKEKEDVCIVTIGDPMIATTHVSLIVEVKDKGYNFKVIPGISVHCYII SKSMLSSYKFGKSVTITYPYNNKIDTTPYDVIYDNFIRGLHTILYLDLKEDKIMTAKEAV ELLIEMEKIKKQGLVSDDRIIIVGQRLGCDDEEVVALRLKEVFNYKFKEPPHIIVFPTDK LHFMEVEALKCLMK