Rabbit anti-Human PIAS3 Polyclonal Antibody

Uniprot Id

Q9Y6X2

Target Species

Human

Target Name

PIAS3

Target Full Name

E3 SUMO-protein ligase PIAS3

Target Function

Functions as an E3-type small ubiquitin-like modifier (SUMO) ligase, stabilizing the interaction between UBE2I and the substrate, and as a SUMO-tethering factor. Plays a crucial role as a transcriptional coregulation in various cellular pathways, including the STAT pathway and the steroid hormone signaling pathway. Involved in regulating STAT3 signaling via inhibiting STAT3 DNA-binding and suppressing cell growth. Enhances the sumoylation of MTA1 and may participate in its paralog-selective sumoylation. Sumoylates CCAR2 which promotes its interaction with SIRT1. Diminishes the sumoylation of ZFHX3 by preventing the colocalization of ZFHX3 with SUMO1 in the nucleus.

Target Subcellular Location

Cytoplasm. Nucleus. Nucleus speckle.

Target Protein Families

PIAS family

Target Tissue Specificity

Widely expressed.

Target Synonyms

E3 SUMO protein ligase PIAS 3; E3 SUMO protein ligase PIAS3; E3 SUMO-protein ligase PIAS3; FLJ14651; OTTHUMP00000015586; OTTHUMP00000015587; PIAS 3; Pias3; PIAS3 protein; PIAS3_HUMAN; Protein inhibitor of activated STAT 3; Protein inhibitor of activated STAT protein 3; Protein inhibitor of activated STAT3; Zinc finger MIZ type containing 5; ZMIZ 5; ZMIZ5

Target Background

This gene encodes a member of the PIAS [protein inhibitor of activated STAT (signal transducer and activator of transcription)] family of transcriptional modulators. The protein functions as a SUMO (small ubiquitin-like modifier)-E3 ligase which catalyzes the covalent attachment of a SUMO protein to specific target substrates. It directly binds to several transcription factors and either blocks or enhances their activity. Alternatively spliced transcript variants of this gene have been identified, but the full-length nature of some of these variants has not been determined.