SIP1 antibody (mAb)

RRID: AB_2614989
Clone: 6E5
Aliases: Smad-interacting protein 1, aka ZEB2, Zinc finger E-box-binding homeobox 2, ZEB2, ZFHX1B, HSPC082, SMADIP1
Catalog No: 61095 Format: 100 µg $445 Buy
Catalog No: 61096 Format: 10 µg $110 Buy

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Antibody Type:
Protein G Chromatography
Molecular Weight:
180 kDa


Western Blot Validated Immunofluorescence Validated Immunohistochemistry Validated Immunocytochemistry Validated

Application Notes

Applications Validated by Active Motif:
WB: 1 - 4 µg/ml dilution

Published Applications

The following applications have been published using this antibody. Unless noted above, Active Motif may not have validated the antibody for use in these applications:


View publications that use Active Motif products & services here. Enter the product number(s) to see publications & applications that use this antibody.


This SIP1 antibody was raised against a recombinant protein corresponding to amino acids 1-360 of human SIP1.


Purified IgG in 70 mM Tris (pH 8), 105 mM NaCl, 31 mM glycine, 0.07 mM EDTA, 30% glycerol and 0.035% sodium azide. Sodium azide is highly toxic.



Western Blot:
Nuclear extract of Saos-2 cells (20 µg per lane) probed with the SIP1 antibody (mAb) at a dilution of 1 µg/ml.


SIP1 (Smad-interacting protein 1, aka ZEB2, Zinc finger E-box-binding homeobox 2) is a sequence-specific DNA binding protein and transcriptional repressor that is involved in normal embryonic development of neural structures and the neural crest. SIP1 belongs to the delta-EF1/Zfh1 family of 2-handed zinc finger/homeodomain proteins and contains a SMAD-binding domain, a homeodomain and two clusters of zinc fingers on the N- and C-termini. SIP1 interacts directly with activated forms of SMAD1, SMAD2 and SMAD3, as well as CBX4 and CTBP1. Mutations in the SIP1 gene cause a form of Hirschsprung disease (HSCR).

Positive Control

Active Motif's Saos-2 nuclear extract (Catalog No. 36025) can be used as a positive control for SIP1 antibody.


Some products may be shipped at room temperature. This will not affect their stability or performance. Avoid repeated freeze/thaw cycles by aliquoting items into single-use fractions for storage at -20°C for up to 2 years. Keep all reagents on ice when not in storage.


This product is guaranteed for 12 months from date of receipt.

This product is for research use only and is not for use in diagnostic procedures.

Application Key

  • ChIP = Chromatin Immunoprecipitation;
  • ChIP = ChIP Sequencing;
  • CUT&RUN = Cleavage Under Targets and Release Using Nuclease;
  • CUT&Tag = Cleavage Under Targets and Tagmentation;
  • DB = Dot Blot;
  • ELISA = Enzyme-linked Immunosorbent Assay;
  • EMSA = Electrophoretic Mobility Shift Assay
  • FC = Flow Cytometry;
  • ICC = Immunocytochemistry;
  • IF = Immunofluorescence;
  • IHC = Immunohistochemistry;
  • IP = Immunoprecipitation;
  • MeDIP = Methyl-DNA Immunoprecipitation;
  • WB = Western Blotting