E3 SUMO-protein ligase (PIAS4) SUMOylates Vitamin D3 receptor (VDR) with SUMO2 (Jena et al. 2012). SUMOylation inhibits transcriptional activation by VDR in response to vitamin D.
Lee, WP, Thompson, PD, Doherty, D, Jena, S
SUMO transferase activity of PIAS4 [nucleoplasm]
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