>sp|A2BP31|PYRB_PROMS Aspartate carbamoyltransferase catalytic subunit OS=Prochlorococcus marinus GN=pyrB MQIWPHKHIHTLANFSIKDYESVFELANRFDALKNAGTKKIPALQGTLVTSLFFEASTRT KNSFELAAKRLSADVQTFAPSSSSLTKGETIIDTAITYSAMGADTLVIRHSSSYITFEIA KKLDAINSKTSVLNAGDGLHSHPSQGLLDIYTLIKFFSPQTLNPEVLNSKKILIIGDVNH SRVARSNLWALSAFGADIILCGPKALIPDEFINFLKTPAPNQTEDPVKSRGSITISRSLE ESIKTADAIIVLRLQKERMMENLLSSIDSYSLDYGLTPEKLSLNNKEIPILHPGPINRDI EISSKVVDRYPNCLINNQVANGIPIRMALLYLLQKHNK