Predicted to enable metal ion binding activity. Predicted to be involved in negative regulation of autophagosome assembly; negative regulation of autophagosome maturation; and positive regulation of protein ubiquitination. Predicted to act upstream of or within autophagy. Predicted to be located in nucleoplasm. Predicted to be active in nucleus. Is expressed in early conceptus; genitourinary system; and limb. Orthologous to human PHF23 (PHD finger protein 23). [provided by Alliance of Genome Resources, Apr 2022]