>tr|F0NIB4|F0NIB4_SULIR Imidazoleglycerol-phosphate dehydratase OS=Sulfolobus islandicus GN=hisB MARNANITRETKETKIEVFLDIDRKGEIKVSTPVPFFNHMLITLLTYMNSTATVSATDKL PYDDHHIIEDVAITLGLAIKEALGDKRGIKRFSHQIIPMDEALVLVSLDISNRGIAFVNL NLKRSEIGGLATENIPHFFQSFAYNSGVTLHISQLSGYNTHHIIEASFKALGLALYEATR IVDNEIRSTKGVI