>2JR0_1|Chain A|N utilization substance protein B homolog|Aquifex aeolicus (63363) MRYRKGARDTAFLVLYRWDLRGENPGELFKEVVEEKNIKNKDAYEYAKKLVDTAVRHIEEIDSIIEKHLKGWSIDRLGYVERNALRLGVAELIFLKSKEPGRVFIDIVDLVKKYADEKAGKFVNGVLSAIYKAYITSSKEEKPSLKSE