>sp|A8AY27|HIS7_STRGC Imidazoleglycerol-phosphate dehydratase OS=Streptococcus gordonii GN=hisB MRQAEIKRKTQETDIELAVNLDQQEPVAIETGVGFFDHMLTLFARHSRISLTVKAEGDLW VDSHHTVEDVGIVLGLALRQALGDKAGINRYGTSFVPMDETLGMASLDLSGRSYLVFEAD FDNPKLGNFDTELVEEFFQALAFNLQMNLHLKILHGKNSHHKAESLFKATGRALREAITI NPEIHGVNSTKGLL