>tr|F0NPU4|F0NPU4_SULIH Imidazoleglycerol-phosphate dehydratase OS=Sulfolobus islandicus GN=hisB MARNANITRETKETKIEVFLDIDRKGEIKVSTPVPFFNHMLITLLTYMNSTATVSATDKL PYDDHHIIEDVAITLGLAIKEALGDKRGIKRFSHQIIPMDEALVLVSLDISNRGIAFVNL NLKRSEIGGLATENIPHFFQSFAYNSGVTLHISQLSGYNTHHIIEASFKALGLALYEATR IVDNEIRSTKGVI