>sp|A8G2P1|PYRB_PROM2 Aspartate carbamoyltransferase catalytic subunit OS=Prochlorococcus marinus GN=pyrB MQIWPHKHIHTLANFSIPDYESVFELANRFDKLKNAGTKKIPALQGTLITSLFFEASTRT KNSFELAAKKLSADVQTFAPSSSSLTKGETIIDTAITYSAMGADTLVIRHSSSYITFEIA KKLDAINSNTSVLNAGDGLHSHPSQGLLDIYTLIKFFSKKSLNPKVLNSKKILIIGDVNH SRVARSNLWALSAFGADIILCGPETLIPDEFINFFKSPIPNQIEDPIKSRGSITISRSLE ESIKIADAIIVLRLQKERMMENLLNSIDSYSLDYGLTSEKLSLNNKEIPILHPGPINRDI EISSKVVDEYPNCLINNQVANGIPIRMALLYLLQKYNK