>sp|O58451|PYRB_PYRHO Aspartate carbamoyltransferase catalytic subunit OS=Pyrococcus horikoshii GN=pyrB MEWKGRDVISIRDFSKEDIEVVLSTAERLEKEMKEKGQLEYAKGKILATLFFEPSTRTRL SFESAMHRLGGSVIGFAEASTSSVKKGESLRDTIKTVEQYSDVIVIRHPKEGAARLAAEV ADIPVINAGDGSNQHPTQTLLDLYTIKKEFGTIDGLKIGLLGDLKYGRTVHSLAEALAFY DVELYLISPELLRMPKHIVEELRERGMKIVETTKLEEVIGELDVLYVTRIQKERFPDEQE YLKVKGSYQVNLKILENVKDSLRIMHPLPRVDEIHPEVDKTKHAIYFKQVFNGVPVRMAL LALVLGVI