>tr|Q545W2|Q545W2_MOUSE DNA-directed RNA polymerases I and III subunit RPAC2 OS=Mus musculus GN=Polr1d MEDDQELERKISGLKTSMAEGERKTALEMVQAAGTDRQCVTFVLHEEDHTLGNCLRYIIM KNPEVEFCGYTTTHPSESKINLRIQTRGALPAVEPFQKGLNELLNVCQHVLVKFEASIKD YKAKKASKKEPTF