>sp|Q2KIN5|HEM3_BOVIN Porphobilinogen deaminase OS=Bos taurus GN=HMBS MSGNGNAAAIAEEDTPKMRVIRVGTRKSQLARIQTDSVVATLKALYPGLQFEIIAMSTTG DKILDTALSKIGEKSLFTKELEHALERNEVDLVVHSLKDLPTVLPPGFTIGAVCKRESPY DAVVFHPKFVGKTLETLPEKSVVGTSSLRRAAQLQRKFPHLEFKSIRGNLNTRLRKLDEL QEFSAIILATAGLQRMGWQNRVGQILHPEECMYAVGQGALGVEVRAKDQDILDLVGVLHD PETLLRCIAERSFLRHLEGGCSVPVAVHTAIKDGQLYLTGGVWSLNGAETMQDTMQTTIH VPVQHEDGPEDDPQLVGITARNIPRQPQLAAENLGISLATLLLNKGAKNILDVARQLNEA H