>sp|Q58976|PYRB_METJA Aspartate carbamoyltransferase catalytic subunit OS=Methanocaldococcus jannaschii GN=pyrB MKHLISMKDIGKEEILEILDEARKMEELLNTKRPLKLLEGKILATVFYEPSTRTRLSFET AMKRLGGEVITMTDLKSSSVAKGESLIDTIRVISGYADIIVLRHPSEGAARLASEYSQVP IINAGDGSNQHPTQTLLDLYTIMREIGRIDGIKIAFVGDLKYGRTVHSLVYALSLFENVE MYFVSPKELRLPKDIIEDLKAKNIKFYEKESLDDLDDDIDVLYVTRIQKERFPDPNEYEK VKGSYKIKREYVEGKKFIIMHPLPRVDEIDYDVDDLPQAKYFKQSFYGIPVRMAILKKLI EDNEGE