SFPQ Antibody


Western Blot: SFPQ Antibody [NBP1-57458] - Lanes: Lane 1 : 50ug Hela lysate Primary, Antibody Dilution: 1 : 1000 Secondary Antibody: Anti-rabbit-HRP Secondary, Antibody Dilution: 1 : 10,000 Gene name: SFPQ.
Immunohistochemistry: SFPQ Antibody [NBP1-57458] - Human Heart cell Cellular data: cardiac cell of renal tubule Antibody Concentration: 4.0-8.0 ug/ml Magnification: 400X.
Western Blot: SFPQ Antibody [NBP1-57458] - HepG2 cell lysate, Antibody Titration: 1.25ug/ml
Immunohistochemistry-Paraffin: SFPQ Antibody [NBP1-57458] - Human Intestine Tissue, antibody concentration 4-8ug/ml. Cells with positive label: Epithelial cells of intestinal villus (indicated with arrows) 400X ...read more
Immunohistochemistry-Paraffin: SFPQ Antibody [NBP1-57458] - Human Skin Tissue Squamous epithelial cells (Indicated with Arrows), 4-8ug/ml.

Product Details

Reactivity HuSpecies Glossary
Applications WB, IHC, IHC-P
Please see the vial label for concentration. If unlisted please contact technical services.

Order Details

SFPQ Antibody Summary

Synthetic peptides corresponding to SFPQ (splicing factor proline/glutamine-rich (polypyrimidine tract binding protein associated)) The peptide sequence was selected from the N terminal of SFPQ. Peptide sequence VPGPGPGPKQGPGPGGPKGGKMPGGP
Protein A purified
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Packaging, Storage & Formulations

Store at -20C. Avoid freeze-thaw cycles.
PBS and 2% Sucrose
0.09% Sodium Azide
Protein A purified


  • Western Blot 1:100-1:2000
  • Immunohistochemistry 1:10-1:500
  • Immunohistochemistry-Paraffin 1:10-1:500
Application Notes
This is a rabbit polyclonal antibody against SFPQ and was validated on Western Blot and immunohistochemistry-p


The addition of 50% glycerol is optional for those storing this antibody at -20C and not aliquoting smaller units. However, please note that glycerol may interrupt some downstream antibody applications and should be added with caution.

Alternate Names for SFPQ Antibody

  • 100 kDa DNA-pairing protein
  • DNA-binding p52/p100 complex, 100 kDa subunit
  • hPOMp100
  • polypyrimidine tract binding protein associated
  • polypyrimidine tract-binding protein-associated splicing factor
  • Polypyrimidine tract-binding protein-associated-splicing factor
  • PSFPOMP100
  • PTB-associated splicing factor
  • PTB-associated-splicing factor
  • splicing factor proline/glutamine rich (polypyrimidine tract binding proteinassociated)
  • splicing factor proline/glutamine rich (polypyrimidine tract-bindingprotein-associated)
  • splicing factor proline/glutamine-rich
  • splicing factor, proline- and glutamine-rich


SFPQ is DNA- and RNA binding protein. It is essential pre-mRNA splicing factor required early in spliceosome formation and for splicing catalytic step II, probably as an heteromer with NONO. It binds to pre-mRNA in spliceosome C complex, and specifically binds to intronic polypyrimidine tracts. It interacts with U5 snRNA. It may be involved in a pre-mRNA coupled splicing and polyadenylation process as component of a snRNP-free complex with SNRPA/U1A. SFPQ may be involved in homologous DNA pairing. SFPQ is involved in transcriptional regulation. It binds the DNA sequence 5'-CTGAGTC-3' in the insulin-like growth factor response element (IGFRE) and inhibits IGF-I-stimulated transcriptional activity.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Product General Protocols

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Video Protocols

WB Video Protocol

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Secondary Antibodies


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Contact Information

Product PDFs


Gene Symbol SFPQ

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