>sp|A0B8L1|PYRB_METTP Aspartate carbamoyltransferase catalytic subunit OS=Methanothrix thermoacetophila GN=pyrB MLKRRHVLSMKDFSREEIDEILETAESLEPYARGKGSDILEGKILALMFFEPSTRTRMSF ETAMKRLGGKTINLGSAEASSIAKGESLADTIRVVGGYADAIVIRHPKEGSARLAAEFSP VPVLNAGDGAGHHPTQTLLDLYTIKKESHLDDLSIALVGDLKYGRTVHSLAYALSLYGAD IYLVSPPTLRMPEQIIGDLSRMGTRVREVSDLREVIKEVDVLYITRIQRERFPDPVEYNR VARSYSITIRDLEGVKPELRIMHPLPRVDEISPSVDETEHAVYFRQSFYGVPVRMALLKM ILED