192 hisB aq_039 MREAEVFRETRETKIKLYINLDGSGNYEVNTPVGFLTHMLESFAKHGRFDLKVEAEGDVHVSHHHTVEDCGIVLGQAVLKALGDKKGIRRYGYSIIPMDEALVLSSIDISGRPLFFYEDKDLRGKITEFDFELIWEFFKGFALESRSTLHIKVLDGKILHHVAEACFKSFAITLKEAVKVEGSGVPSTKGVI Imidazoleglycerol-phosphate dehydratase HIS7_AQUAE