Enables estrogen receptor binding activity and histone kinase activity (H2A-T120 specific). Involved in cell competition in a multicellular organism; histone H2A-T120 phosphorylation; and negative regulation of transcription by RNA polymerase II. Located in fibrillar center and nucleoplasm. Part of Cul4-RING E3 ubiquitin ligase complex. Colocalizes with COP9 signalosome.

-25 ~ -15℃保存，收到货之后有效期1年，避免反复冻融。