>sp|C3NGY0|HIS7_SULIN Imidazoleglycerol-phosphate dehydratase OS=Sulfolobus islandicus GN=hisB MARNANITRETKETKIEVFLDIDRKGEIKVSTPVPFFNHMLITLLTYMNSTATVSATDKL PYDDHHIIEDVAITLGLAIKEALGDKRGIKRFSHQIIPMDEALVLVSLDISNRGMAFVSL NLKRSEIGGLATENIPHFFQSFAYNSGVTLHISQLSGYNTHHIIEASFKALGLALYEATR IVDNEIRSTKGVI