>sp|Q00436|YB3_XENLA B box-binding protein OS=Xenopus laevis MSSEVETQEQQPDALEGKAGQEPAATVGEKKVIATKVLGTVKWFNVRNGYGFINRNDTKE DVFVHQTAIKKNNPRKYLRSVGDGETVEFDVVEGEKGAEAANVTGPGPVPVQGSKYAADR NNYRRYPRRRGPPRNYQQNYQNSESGEKAEGNESAPEGEGTNQQRPCPRRRYPPPFYSRR PYGRRPQYSNVPVQGESAEGAESQGAGEQGRPVRQNMYRGFRPQFRRGPPRQRQPREDGN EEDKENQGDETQSHACHLMRRYRRNFNYRRRRPENPKPQDGKETKAAETSAENTSAPEAE QGGAE