The function of RSRC1 (arginine and serine rich coiled-coil 1, Ensembl gene identifier ENSG00000174891) is as follows. Has a role in alternative splicing and transcription regulation (PubMed:29522154). Involved in both constitutive and alternative pre-mRNA splicing. May have a role in the recognition of the 3' splice site during the second step of splicing. .