Predicted to enable histone acetyltransferase binding activity. Acts upstream of or within cell population proliferation and regulation of G1/S transition of mitotic cell cycle. Predicted to be located in cytosol and nucleoplasm. Predicted to be active in nucleus. Is expressed in 1st branchial arch; genitourinary system; and maxillary process. Orthologous to human ECD (ecdysoneless cell cycle regulator). [provided by Alliance of Genome Resources, Apr 2022]