>sp|A2BP81|HIS7_PROMS Imidazoleglycerol-phosphate dehydratase OS=Prochlorococcus marinus GN=hisB MSSLRQSEIKRKTNETDISVFINLDGSGISEIDTGIPFLDHMLHQISSHGLFDLQIKAIG DTHIDDHHTNEDVGIALGKAFSKALGERKGISRFGHFFAPLDEALVQVTLDCSGRPHLSY DLQLKAPRIGNYDTELVREFFIAFVNNSGITLHINQIRGSNSHHIVEACFKAFSRAMRMA TEIDPRRSDSIPSSKGMLEKQ