>sp|A0LCF4|HIS3_MAGMM Phosphoribosyl-AMP cyclohydrolase OS=Magnetococcus marinus (strain ATCC BAA-1437 / JCM 17883 / MC-1) OX=156889 GN=hisI PE=3 SV=1 MEKLPDLATLKYNEQGLIPAIAQQYDTGEVLMMAWMNQTSLAETLSTGVACYWSRSRNRF WRKGESSGQVQTVKAVRLDCDKDTLLLLVDQQGVACHTGRHNCFYLEAQDGSWKTITDPE IDPEELYGK