>sp|Q1QWC3|HIS3_CHRSD Phosphoribosyl-AMP cyclohydrolase OS=Chromohalobacter salexigens (strain ATCC BAA-138 / DSM 3043 / CIP 106854 / NCIMB 13768 / 1H11) OX=290398 GN=hisI PE=3 SV=1 MTQRFKQLETAAQGTREATRDLLDAARWNDAGLIPAIAQQHDSGEVLMMAWMNRAALEET LATGRVCYWSRSRGKPWRKGESSGQVQQLVTAHLDCDGDTLLLGVDQQGPACHTGRRSCF YVALGADTAHVDSAPLVDPHELYGER