>sp|Q9YBD5|PYRI_AERPE Aspartate carbamoyltransferase regulatory chain OS=Aeropyrum pernix GN=pyrI MEGEGLLVRKIRSGVVIDHIPPGRAFTMLKALGLLPPRGYRWRIAVVINAESSKLGRKDI LKIEGYKPRQRDLEVLGIIAPGATFNVIEDYKVVEKVKLKLPEESQGVLRCPNPTCITRK EREKAVSKMVLVSQDPPAYRCVYCGTTVMGDEIHDLISP