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SIAH2

siah E3 ubiquitin protein ligase 2

E3 ubiquitin-protein ligase that mediates ubiquitination and subsequent proteasomal degradation of target proteins. E3 ubiquitin ligases accept ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Mediates E3 ubiquitin ligase activity either through direct binding to substrates or by functioning as the essential RING domain subunit of larger E3 complexes. Triggers the ubiquitin-mediated degradation of many substrates, including proteins involved in transcription regulation (POU2AF1, PML, NCOR1), a cell surface receptor (DCC), an antiapoptotic protein (BAG1), and a protein involved in synaptic vesicle function in neurons (SYP). Mediates ubiquitination and proteasomal degradation of DYRK2 in response to hypoxia. It is thereby involved in apoptosis, tumor suppression, cell cycle, transcription and signaling processes. Has some overlapping function with SIAH1. Triggers the ubiquitin-mediated degradation of TRAF2, whereas SIAH1 can not. Promotes monoubiquitination of SNCA.

Gene Name: siah E3 ubiquitin protein ligase 2
Synonyms: SIAH2, HSiah2, Seven in absentia homolog 2, Siah-2
Target Sequences: NM_005067 NP_005058.3 O43255

Publications (3)

1
Inhibition of RAS-mediated transformation and tumorigenesis by targeting the downstream E3 ubiquitin ligase seven in absentia homologue. Schmidt RL, Park CH, Ahmed AU, Gundelach JH, Reed NR, Cheng S, Knudsen BE, Tang AH. Cancer research. 2007 67:11798-810. (ICC, IHC, WB, Flo) [PubMed:18089810]
2
Effect of disrupting seven-in-absentia homolog 2 function on lung cancer cell growth. Ahmed AU, Schmidt RL, Park CH, Reed NR, Hesse SE, Thomas CF, Molina JR, Deschamps C, Yang P, Aubry MC, Tang AH. Journal of the National Cancer Institute. 2008 100:1606-29. (IHC, WB) [PubMed:19001609] [PMC:PMC2720765]
3
The expression of the ubiquitin ligase SIAH2 (seven in absentia homolog 2) is mediated through gene copy number in breast cancer and is associated with a basal-like phenotype and p53 expression. Chan P, Mller A, Liu MC, Sceneay JE, Wong CS, Waddell N, Huang KT, Dobrovic A, Millar EK, O'Toole SA, McNeil CM, Sutherland RL, Bowtell DD, Fox SB. Breast cancer research : BCR. 2011 13:R19. (IHC; Human) [PubMed:21306611] [PMC:PMC3109588]

☰ Filters
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SIAH2 Antibody - Human Colon: Formalin-Fixed, Paraffin-Embedded (FFPE)
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SIAH2 Rabbit anti-Human Polyclonal (C-Terminus) Antibody
Zebrafish, Rat, Mouse, Human
ICC, IF, IHC, IHC-P, WB
Unconjugated
50 µl/$460
SIAH2 Antibody - SIAH2 antibody Western blot of HeLa lysate. This image was taken for the unconjugated form of this product. Other forms have not been tested.
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SIAH2 Rabbit anti-Human Polyclonal (N-Terminus) Antibody
Human
WB
Unconjugated
100 µl/$424
SIAH2 Antibody - Human Adrenal: Formalin-Fixed, Paraffin-Embedded (FFPE)
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Cancer
SIAH2 Rabbit anti-Human Polyclonal (aa216-244) Antibody
Human
Flo, IHC-P, WB
Unconjugated
200 µl/$460
SIAH2 Antibody - Staining of SIAH in human colorectal adenocarcinoma. Staining of SIAH was not observed in normal colon epithelium.
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SIAH2 Mouse anti-Drosophila Monoclonal (N-Terminus) (24E6H3) Antibody
Drosophila, Pig, Human
Flo, ICC, IF, IHC, IHC-Fr, IHC-P
Unconjugated
0.5 ml/$386
SIAH2 Antibody - 1:100 staining mouse lung tissue by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the antibody for 1.5 hours at 22°C. An HRP conjugated goat anti-rabbit antibody was used as the secondary.
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SIAH2 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
IF, IHC, Peptide-ELISA, WB
Unconjugated
100 µl/$379; 200 µl/$421
SIAH2 Antibody - Immunohistochemistry Dilution at 1:600 and staining in paraffin-embedded human glioma cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal Goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a biotinylated Secondary antibody and visualized using an HRP conjugated SP system.
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SIAH2 Rabbit anti-Human Polyclonal Antibody
Human
ELISA, IF, IHC, IHC-P
Unconjugated
50 µg/$294; 100 µg/$360
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SIAH2 Rabbit anti-Human Polyclonal (Biotin) Antibody
Human
ELISA
Biotin Conjugated
50 µg/$294; 100 µg/$360
Select
SIAH2 Rabbit anti-Human Polyclonal (aa216-244) Antibody
Human
ELISA, Flo, IHC, WB
Unconjugated
200 µl/$734
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SIAH2 Rabbit anti-Human Polyclonal (aa216-244) (Biotin) Antibody
Human
ELISA, Flo, IHC, WB
Biotin Conjugated
200 µl/$952
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SIAH2 Rabbit anti-Human Polyclonal (aa216-244) (FITC) Antibody
Human
ELISA, Flo, IHC, WB
FITC Conjugated
200 µl/$952
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SIAH2 Rabbit anti-Human Polyclonal (aa216-244) (APC) Antibody
Human
ELISA, Flo, IHC, WB
APC Conjugated
200 µl/$952
Select
SIAH2 Rabbit anti-Human Polyclonal (aa216-244) (Azide-free) (HRP) Antibody
Human
ELISA, Flo, IHC, WB
HRP Conjugated, Azide-free
200 µl/$952
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SIAH2 Rabbit anti-Human Polyclonal (aa216-244) (PE) Antibody
Human
ELISA, Flo, IHC, WB
PE Conjugated
200 µl/$952
SIAH2 Antibody - Human Liver: Formalin-Fixed, Paraffin-Embedded (FFPE)
Select
Fast Shipping
SIAH2 Rabbit anti-Human Polyclonal Antibody
IHC-P
Unconjugated
50 µg/$460
Select
SIAH2 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
IF, IHC, WB
Unconjugated
50 µg/$305; 100 µg/$357
SIAH2 Antibody - Human Liver: Formalin-Fixed, Paraffin-Embedded (FFPE)
Select
Cancer
Fast Shipping
SIAH2 Rabbit anti-Human Polyclonal Antibody
IHC-P
Unconjugated
50 µg/$460
SIAH2 Antibody - Western blot of Siah-2 antibody
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SIAH2 Rabbit anti-Human Polyclonal (210-290 aa, C-terminal) Antibody
Mouse, Rat, Human
ELISA, IHC, WB
Unconjugated
50 µg/$295; 100 µg/$335; 200 µg/$394
SIAH2 Antibody - IHC of Siah-2 (E266) pAb in paraffin-embedded human heart tissue.
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SIAH2 Rabbit anti-Human Polyclonal (Glu266) Antibody
Mouse, Rat, Human
IHC, IHC-P, WB
Unconjugated
50 µl/$321; 100 µl/$403
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SIAH2 Rabbit anti-Human Polyclonal (N-Terminus) Antibody
Human
IHC, WB
Unconjugated
100 µl/$440; 200 µl/$468
Select
SIAH2 Rabbit anti-Human Polyclonal Antibody
Human
ELISA, WB
Unconjugated
100 µg/$341
Select
SIAH2 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
ELISA, WB
Unconjugated
100 µg/$357
SIAH2 Antibody - Western blot analysis of lysates from COLO cells, using SIAH2 Antibody. The lane on the right is blocked with the synthesized peptide.
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SIAH2 Rabbit anti-Human Polyclonal (aa241-290) Antibody
Mouse, Rat, Human
Peptide-ELISA, WB
Unconjugated
50 µl/$334; 100 µl/$397
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SIAH2 Mouse anti-Human Monoclonal (1F5) Antibody
Human
ELISA
Unconjugated
100 µg/$423
SIAH2 Antibody - SIAH2 antibody Western blot of Fetal Muscle lysate. This image was taken for the unconjugated form of this product. Other forms have not been tested.
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SIAH2 Rabbit anti-Human Polyclonal (aa215-264) Antibody
Human
WB
Unconjugated
100 µl/$424
SIAH2 Antibody - Anti-SIAH2 rabbit polyclonal antibody at 1:500 dilution. Lane A: MCF7 Whole Cell Lysate. Lysates/proteins at 30 ug per lane. Secondary: Goat Anti-Rabbit IgG H&L (Dylight 800) at 1/10000 dilution. Developed using the Odyssey technique. Performed under reducing conditions. Predicted band size: 35 kDa. Observed band size: 45 kDa.
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SIAH2 Rabbit anti-Human Polyclonal (Preservative Free) Antibody
Human
WB
Unconjugated, Preservative Free
100 µl/$412
Viewing 1-25 of 41 product results



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For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).