Required for pre-mRNA splicing as a component of the spliceosome (PubMed:20423332, PubMed:20841358, PubMed:25296192, PubMed:29360106). Contributes to pre-mRNA splicing after spliceosome formation and prior to the first transesterification reaction. As a component of the minor spliceosome, involved in the splicing of U12- type introns in pre-mRNAs (Probable). Also plays a role in innate antiviral response by acting as a pattern recognition receptor sensing splicing signals in viral RNA (PubMed:35263596). Mechanistically, TRIM6 promotes the interaction between unanchored 'Lys-48'-polyubiquitin chains and DHX16, leading to DHX16 interaction with RIGI and ssRNA to amplify RIGI-dependent innate antiviral immune responses (PubMed:35263596). {ECO:0000269|PubMed:20423332, ECO:0000269|PubMed:20841358, ECO:0000269|PubMed:25296192, ECO:0000269|PubMed:29360106, ECO:0000269|PubMed:35263596, ECO:0000305|PubMed:33509932}. This is the function of ENSG00000204560 (DHX16, DEAH-box helicase 16).