>sp|A1VK43|HIS3_POLNA Phosphoribosyl-AMP cyclohydrolase OS=Polaromonas naphthalenivorans GN=hisI MNWLDTVRWDDKGLVPVIAQEAASGDVLMFAWMNREALQKTAELGQAVYFSRSRGRLWHK GEESGHLQTVHEIRLDCDSDVVLLKVTQLGHEPGIACHTGRHSCFFSLYKDGQWVATEPV LKDPASIYK