>tr|A8QKB2|A8QKB2_MUSSP U2 small nuclear ribonucleoprotein B OS=Mus spretus GN=Snrpb2 MDIRPNHTIYINNMNDKIKKEELKRSLYALFSQFGHVVDIVALKTMKMRGQAFVIFKELG SSTNALRQLQGFPFYGKPMRIQYAKTDSDIISKMRGTFADKEKKKEKKKAKTMEQAAAAA NKKPGQGTPNAANTQGTAAPNPQVPDYPPNYILFLNNLPEETNEMMLSMLFNQFPGFKEV RLVPGRHDIAFVEFENDGQAGAARDALQGFKITPSHAMKITYAKK