>sp|Q8CCF0-4|PRP31_MOUSE Isoform 4 of U4/U6 small nuclear ribonucleoprotein Prp31 OS=Mus musculus OX=10090 GN=Prpf31 MSLADELLADLEEAAEEEEGGSYGEEEEEPAIEDVQEETQLDLSGDSVKSIAKLWDSKMV SLLRS