>sp|Q21I34|PYRB_SACD2 Aspartate carbamoyltransferase catalytic subunit OS=Saccharophagus degradans GN=pyrB MKFSGSHILSVEQFERADIERIFAVADSMEPYALRQKVTRVLEGAILGNMFFEPSTRTRV SFGCAFNLLGGEVRETTGFKSSAIAKGESLYDTARVLSGYSDVICMRHPQEGSVAEFAQA SRVPVINGGDGANEHPSQALLDLYTIQKELRDKGRSLDGLRIAMIGDLKHGRTVHSLMRL LGLFANLQVVLVSPEELAMPEEYVELLRGLGHRVDVSSDLANSIGHVDIVYSTRIQEERF GSKEEADLYRGRFRLNQAIYTQFCEPNTVIMHPLPRDSRSDANELDNDLNQNPNLAIFRQ TDNGILVRMALFALILDVADQVDKFSRPVNWYHSRTF