RNA-binding region-containing protein 3 (RNPC3)

Participates in pre-mRNA U12-dependent splicing, performed by the minor spliceosome which eliminates U12-type introns. U12-type introns contains less than 1 percent of all non-coding sequences.

Binds to the 3'-stem-loop of m(7)G-capped U12 snRNA. .