>sp|C5CBK2|HIS3_MICLC Phosphoribosyl-AMP cyclohydrolase OS=Micrococcus luteus GN=hisI MSISPPDDLVASVTFDDRGLVPAIAQQEGTGEVLMMAWMNAESLRATLETGWATYWSRSR GELWRKGETSGHLQRVRAVHADCDGDTLLLTVDQTGPACHTGTRTCFTGRELVMPPAAVD PEEAAR