>sp|Q8U373|PYRB_PYRFU Aspartate carbamoyltransferase catalytic subunit OS=Pyrococcus furiosus GN=pyrB MDWKGRDVISIRDFSKEDIEIVLSTAERLEKELKEKGQLEYARGKILATLFFEPSTRTRL SFESAMHRLGGAVIGFAEASTSSVKKGESLADTIKTVEQYSDVIVIRHPKEGAARLAAEV AEIPVINAGDGSNQHPTQTLLDLYTIRKEFGKIDGLKIGLLGDLKYGRTVHSLAEALAYY DVELYLISPELLRMPRHIVEELREKGVTVYETSDLMSVIGELDVLYVTRIQKERFPDEQE YLKVRGSYQVNLQVLSKAKETLKVMHPLPRVDEIHPEVDKTKHAIYFKQVFNGIPVRMAL LGLVLGVI