>sp|Q0VML6|HIS3_ALCBS Phosphoribosyl-AMP cyclohydrolase OS=Alcanivorax borkumensis (strain ATCC 700651 / DSM 11573 / NCIMB 13689 / SK2) OX=393595 GN=hisI PE=3 SV=1 MFKHNEQQPEGFQISLKEALDNLAFNDAGLVAAIAQQHDSGEVLMMAWMNREAIEETLAT GRVCYFSRSRGKLWRKGESSGQVQTLKELRIDCDGDALLVKVDQTGSACHTGRRDCFYWK ADANNVTIDKAPIKDPKELYGK