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SUV39H2 Antibody (N-term)

Purified Rabbit Polyclonal Antibody (Pab)

     
  • 1 - SUV39H2 Antibody (N-term) AP1281a
    Western blot analysis of lysates from HepG2, HUVEC cell line (from left to right), using SUV39H2 Antibody (K48)(Cat. #AP1281A). AP1281A was diluted at 1:1000 at each lane. A goat anti-rabbit IgG H&L(HRP) at 1:5000 dilution was used as the secondary antibody. Lysates at 35ug per lane.
  • 1 - SUV39H2 Antibody (N-term) AP1281a
    The anti-SUV39H2 Pab (Cat. #AP1281a) is used in Western blot to detect SUV39H2 in mouse kidney tissue lysate.
  • 14 - SUV39H2 Antibody (N-term) AP1281a
    Formalin-fixed and paraffin-embedded human cancer tissue reacted with the primary antibody, which was peroxidase-conjugated to the secondary antibody, followed by DAB staining. This data demonstrates the use of this antibody for immunohistochemistry; clinical relevance has not been evaluated. BC = breast carcinoma; HC = hepatocarcinoma.
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Product Information
Application
  • Applications Legend:
  • E=ELISA
  • WB=Western Blotting
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin)
  • IP=Immunoprecipitation
  • IF=Immunofluorescence
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • FC=Flow Cytometry
  • DB=Dot Blot
WB, IHC-P, E
Primary Accession Q9H5I1
Other Accession NP_078946
Reactivity Human, Mouse
Host Rabbit
Clonality Polyclonal
Isotype Rabbit IgG
Calculated MW 46682 Da
Additional Information
Gene ID 79723
Other Names Histone-lysine N-methyltransferase SUV39H2, Histone H3-K9 methyltransferase 2, H3-K9-HMTase 2, Lysine N-methyltransferase 1B, Suppressor of variegation 3-9 homolog 2, Su(var)3-9 homolog 2, SUV39H2, KMT1B
Target/Specificity This SUV39H2 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 93-122 amino acids from the N-terminal region of human SUV39H2.
Dilution WB~~1:1000
IHC-P~~1:100~500
Format Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is prepared by Saturated Ammonium Sulfate (SAS) precipitation followed by dialysis against PBS.
StorageMaintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsSUV39H2 Antibody (N-term) is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name SUV39H2
Synonyms KMT1B
Function Histone methyltransferase that specifically trimethylates 'Lys-9' of histone H3 using monomethylated H3 'Lys-9' as substrate. H3 'Lys-9' trimethylation represents a specific tag for epigenetic transcriptional repression by recruiting HP1 (CBX1, CBX3 and/or CBX5) proteins to methylated histones. Mainly functions in heterochromatin regions, thereby playing a central role in the establishment of constitutive heterochromatin at pericentric and telomere regions. H3 'Lys-9' trimethylation is also required to direct DNA methylation at pericentric repeats. SUV39H1 is targeted to histone H3 via its interaction with RB1 and is involved in many processes, such as cell cycle regulation, transcriptional repression and regulation of telomere length. May participate in regulation of higher-order chromatin organization during spermatogenesis. Recruited by the large PER complex to the E-box elements of the circadian target genes such as PER2 itself or PER1, contributes to the conversion of local chromatin to a heterochromatin-like repressive state through H3 'Lys-9' trimethylation.
Cellular Location Nucleus. Chromosome, centromere. Note=Associates with centromeric constitutive heterochromatin.
Research Areas

BACKGROUND

The murine gene Suv39h2 encodes an H3 histone methyltransferase (HMTase) 59% identical in sequence to mouse Suv39h1. During embryogenesis, both proteins overlap in tissue expression, yet Suv39h2 transcripts are restricted to the testes in adult animals. Immunolocalization of the Suv39h2 protein during spermatogenesis indicates enrichment at the heterochromatin from the leptotene to the round spermatid stage. Moreover, Suv39h2 specifically accumulates with chromatin of the sex chromosomes, which undergo transcriptional silencing during the first meiotic prophase. Suv39h2 HMTase may also organize meiotic heterochromatin with the potential for epigenetic imprint to the male germline.

REFERENCES

Ota, T., et al., Nat. Genet. 36(1):40-45 (2004). Strausberg, R.L., et al., Proc. Natl. Acad. Sci. U.S.A. 99(26):16899-16903 (2002).

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