>2RKX_1|Chain A|Cyclase subunit of imidazoleglycerol_evolvedcerolphosphate synthase|null MLAKRIIAALIVKDGRVVKGSNFENLRDSGDPVELGKFYSEIGIDELSFWDITASVEKRKTMLELVEKVAEQIDIPFTVGGGIHDFETASELILRGADKVEINTAAVENPSLITQIAQTFGSQAVVVYIAAKRVDGEFMVFTYSGKKNTGILLRDWVVEVEKRGAGEIVLGSIDRLGTKSGYDTEMIRFVRPLTTLPIIAHGGAGKMEHFLEAFLAGADAAKANSVFHFREIDVRELKEYLKKHGVNVRLEGLGS