Component of the little elongation complex (LEC), a complex required to regulate small nuclear RNA (snRNA) gene transcription by RNA polymerase II and III. Specifically acts as a scaffold protein that promotes the LEC complex formation and recruitment and RNA polymerase II occupancy at snRNA genes in subnuclear bodies (By similarity). Component of the little elongation complex (LEC), at least composed of ELL (ELL, ELL2 or ELL3), ZC3H8, ICE1 and ICE2. Interacts (via N-terminus domain) with ELL. Interacts (via C-terminus domain) with ICE2 and ZC3H8 (By similarity). Colocalizes with COIL in subnuclear Cajal and histone locus bodies. Associates to transcriptionally active chromatin at snRNA genes. The N-termimus domain is necessary and sufficient for its targeting to subnuclear cajal and histone locus bodies. Belongs to the ICE1 family.