>sp|Q9CQI7|RU2B_MOUSE U2 small nuclear ribonucleoprotein B'' OS=Mus musculus OX=10090 GN=Snrpb2 PE=1 SV=1
MDIRPNHTIYINNMNDKIKKEELKRSLYALFSQFGHVVDIVALKTMKMRGQAFVIFKELG
SSTNALRQLQGFPFYGKPMRIQYAKTDSDIISKMRGTFADKEKKKEKKKAKTMEQAAAAA
NKKPGQGTPNAANTQGTAAPNPQVPDYPPNYILFLNNLPEETNEMMLSMLFNQFPGFKEV
RLVPGRHDIAFVEFENDGQAGAARDALQGFKITPSHAMKITYAKK