>6n7x_B mol:protein length:231 U1 small nuclear ribonucleoprotein CMTRYYCEYCHSYLTHDTLSVRKSHLVGKNHLRITADYYRNKARDIINKHNHKRRHIGKRGRKERENSSQNETLKVTCLSNKEKRHIMHVKKMNQKELAQTSIDTLKLLYDGSPGYSKVFVDANRFDIGDLVKASKLPQRANEKSAHHSFKQTSRSRDETCESNPFPRLNNPKKLEPPKILSQWSNTIPKTSIFYSVDILQTTIKESKKRMHSDGIRKPSSANGYKRRRYGN