Enables PH domain binding activity; SAM domain binding activity; and protein self-association. Acts upstream of or within negative regulation of transcription by RNA polymerase II. Located in nucleus. Is expressed in photoreceptor layer; pineal gland; retina; retina layer; and retina outer nuclear layer. Orthologous to human SAMD11 (sterile alpha motif domain containing 11). [provided by Alliance of Genome Resources, Apr 2022]