Automated description from the Alliance of Genome Resources (Release 7.1.0)
Enables transcription corepressor activity. Acts upstream of or within blastocyst growth; negative regulation of DNA-templated transcription; and skeletal muscle cell differentiation. Located in nucleus. Part of COP9 signalosome. Is expressed in several structures, including alimentary system; genitourinary system; integumental system; nervous system; and sensory organ. Orthologous to human COPS2 (COP9 signalosome subunit 2).