>tr|A0A8C6I0C6|A0A8C6I0C6_MUSSI U2 small nuclear ribonucleoprotein B OS=Mus spicilegus MDIRPNHTIYINNMNDKIKKEELKRSLYALFSQFGHVVDIVALKTMKMRGQAFVIFKELG SSTNALRQLQGFPFYGKPMRIQYAKTDSDIISKMRGTFADKEKKKEKKKAKTMEQAAAAA NKKPGQGTPNAANTQGTAAPNPQVPDYPPNYILFLNNLPEETNEMMLSMLFNQFPGFKEV RLVPGRHDIAFVEFENDGQAGAARDALQGFKITPSHAMKITYAKK