MSL1 [YIR009W]
U2 small nuclear ribonucleoprotein B'; U2B component of U2 snRNP; involved in splicing, binds the U2 snRNA stem-loop IV in vitro but requires association of Lea1p for in vivo binding; does not contain the conserved C-terminal RNA binding domain found in other family members
Synonyms: MSL1, MSL1p, P40567, P40567p, YIB9W ...