Predicted to enable actin filament binding activity. Predicted to be involved in muscle organ development. Predicted to be located in Cajal body. Predicted to be part of catalytic step 2 spliceosome. Predicted to be active in nucleolus and striated muscle dense body. Orthologous to human FRG1 (FSHD region gene 1). [provided by Alliance of Genome Resources, Apr 2022]