>sp|C4KHS1|HIS7_SULIK Imidazoleglycerol-phosphate dehydratase OS=Sulfolobus islandicus GN=hisB MARNANITRETKETKIEVFLDIDRKGEIKVSTPVPFFNHMLITLLTYMNSTATVSATDKL PYDDHHIIEDVAITLGLAIKEALGDKRGIKRFSHQIIPMDEALVLVSLDISNRGIAFVNL NLKRSEIGGLATENIPHFFQSFAYNSGVTLHISQLSGYNTHHIIEASFKALGLALYEATR IVDNEIRSTKGVI