| Type | subunit | Description | Identified in the spliceosome C complex. Component of the PRP19-CDC5L splicing complex composed of a core complex comprising a homotetramer of PRPF19, CDC5L, PLRG1 and BCAS2, and at least three less stably associated proteins CTNNBL1, CWC15 and HSPA8. Interacts (via its WD40 repeat domain) directly with CDC5L (via its C-terminal); the interaction is required for mRNA splicing but not for spliceosome assembly. Also interacts directly in the complex with BCAS2 and PRPF19. Interacts with USB1 (By similarity). |
