>sp|Q5SK66|PYRB_THET8 Aspartate carbamoyltransferase catalytic subunit OS=Thermus thermophilus GN=pyrB MRHLLDFQGWSRTEVESLLDTARVMREVLERPIKKVPALQGFTVATVFFEPSTRTRISFE LAARRMSADVVSFAAQTSSLQKGESYKDTLLTLEAMGVDAYVIRADSAGVPHQATRWVKG AVINGGDGRRAHPTQALLDAYTLLEALGTLEGKKVAIVGDILHSRVARSGAELLSLLGAQ VFCAGPPSLLPQSLPGAHLTPRLEEALEEADAVMVLRLQKERMEAGLVHLEDYVARYQVT EKRLALAKPQAPLLHPGPMNRDVELEGTLADSARSLVNRQVQNGVAVRMAVLYHLLVGRE KA