exoribonuclease, Ig class switching, nuclear mRNA splicing via spliceosome, Rnase P
GO:0000398
nuclear mRNA splicing, via spliceosome
GO:0002566
somatic diversification of immune receptors via somatic mutation
GO:0000175
3.-5.-exoribonuclease activity
GO:0004526
ribonuclease P activity
RRP45
Saccharomyces cerevisiae