>sp|A0LTT2|HIS3_ACIC1 Phosphoribosyl-AMP cyclohydrolase OS=Acidothermus cellulolyticus (strain ATCC 43068 / 11B) GN=hisI PE=3 SV=1 MTRRPSNLDPAIAARLKRDEHGLFPAVAQQYDTGEVLMVGWMDDEALHRTLTTGRCTYWS RSRQEYWVKGETSGHQQWVKSVALDCDGDTVLVKVDQIGAACHTGDRTCFDAGQLPAVVG EPPTPVGAGERQPASGTADAAP