Enables transcription corepressor binding activity. Predicted to be involved in negative regulation of transcription by RNA polymerase II. Predicted to be located in nucleoplasm. Predicted to be part of Sin3 complex and transcription repressor complex. Predicted to be active in nucleus. Is expressed in several structures, including branchial arch; genitourinary system; limb; liver; and maxillary process. Orthologous to human PHF12 (PHD finger protein 12). [provided by Alliance of Genome Resources, Apr 2022]