• Immunofluorescence analysis of U2OS cells using PIAS1 antibody (STJ28296). Blue: DAPI for nuclear staining.
  • Immunofluorescence analysis of GFP-RNF168 transgenic U2OS cells using PIAS1 antibody (STJ28296). Green: GFP-RNF168 fusion protein expression for DNA damage marker. Blue: DAPI for nuclear staining. RNF168 (GFP) can be used to mark cells damaged by UV-A laser for they always gather around DNA damage region.

Anti-PIAS1 antibody (422-651) (STJ28296)

SKU:
STJ28296

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Host: Rabbit
Applications: IF
Reactivity: Human
Note: STRICTLY FOR FURTHER SCIENTIFIC RESEARCH USE ONLY (RUO). MUST NOT TO BE USED IN DIAGNOSTIC OR THERAPEUTIC APPLICATIONS.
Short Description: Rabbit polyclonal antibody anti-PIAS1 (422-651) is suitable for use in Immunofluorescence research applications.
Clonality: Polyclonal
Conjugation: Unconjugated
Isotype: IgG
Formulation: PBS with 0.02% Sodium Azide, 50% Glycerol, pH7.3.
Purification: Affinity purification
Dilution Range: IF/ICC 1:50-1:200
Storage Instruction: Store at-20°C for up to 1 year from the date of receipt, and avoid repeat freeze-thaw cycles.
Gene Symbol: PIAS1
Gene ID: 8554
Uniprot ID: PIAS1_HUMAN
Immunogen Region: 422-651
Immunogen: Recombinant fusion protein containing a sequence corresponding to amino acids 422-651 of human PIAS1 (NP_057250.1).
Immunogen Sequence: VQEVSASYNGVDGCLSSTLE HQVASHHQSSNKNKKVEVID LTIDSSSDEEEEEPSAKRTC PSLSPTSPLNNKGILSLPHQ ASPVSRTPSLPAVDTSYINT SLIQDYRHPFHMTPMPYDLQ GLDFFPFLSGDNQHYNTSLL AAAAAAVSDDQDLLHSSRFF PYTSSQMFLDQLSAGGSTSL PTTNGSSSGSNSSLVSSNSL RESHSHTVTNRSSTDTASIF GIIPDIISLD
Tissue Specificity Expressed in numerous tissues with highest level in testis.
Post Translational Modifications Sumoylated.
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, the p53 pathway and the steroid hormone signaling pathway. In vitro, binds A/T-rich DNA. The effects of this transcriptional coregulation, transactivation or silencing, may vary depending upon the biological context. Sumoylates PML (at'Lys-65' and 'Lys-160') and PML-RAR and promotes their ubiquitin-mediated degradation. PIAS1-mediated sumoylation of PML promotes its interaction with CSNK2A1/CK2 which in turn promotes PML phosphorylation and degradation. Enhances the sumoylation of MTA1 and may participate in its paralog-selective sumoylation. Plays a dynamic role in adipogenesis by promoting the SUMOylation and degradation of CEBPB. Mediates the nuclear mobility and localization of MSX1 to the nuclear periphery, whereby MSX1 is brought into the proximity of target myoblast differentiation factor genes. Also required for the binding of MSX1 to the core enhancer region in target gene promoter regions, independent of its sumolyation activity. Capable of binding to the core enhancer region TAAT box in the MYOD1 gene promoter. (Microbial infection) Restricts Epstein-Barr virus (EBV) lytic replication by acting as an inhibitor for transcription factors involved in lytic gene expression. The virus can use apoptotic caspases to antagonize PIAS1-mediated restriction and express its lytic genes.
Protein Name E3 Sumo-Protein Ligase Pias1
Dead/H Box-Binding Protein 1
E3 Sumo-Protein Transferase Pias1
Gu-Binding Protein
Gbp
Protein Inhibitor Of Activated Stat Protein 1
Rna Helicase Ii-Binding Protein
Database Links Reactome: R-HSA-3108214
Reactome: R-HSA-3232118
Reactome: R-HSA-3232142
Reactome: R-HSA-3899300
Reactome: R-HSA-4090294
Reactome: R-HSA-4551638
Reactome: R-HSA-5696395
Reactome: R-HSA-877312
Cellular Localisation Nucleus
Nucleus Speckle
Pml Body
Cytoplasm
Cytoskeleton
Interaction With Csrp2 May Induce A Partial Redistribution Along The Cytoskeleton
Interaction With Msx1 Is Required For Localization To The Nuclear Periphery
Alternative Antibody Names Anti-E3 Sumo-Protein Ligase Pias1 antibody
Anti-Dead/H Box-Binding Protein 1 antibody
Anti-E3 Sumo-Protein Transferase Pias1 antibody
Anti-Gu-Binding Protein antibody
Anti-Gbp antibody
Anti-Protein Inhibitor Of Activated Stat Protein 1 antibody
Anti-Rna Helicase Ii-Binding Protein antibody
Anti-PIAS1 antibody
Anti-DDXBP1 antibody

Information sourced from Uniprot.org

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