Human CSL Antibody

Catalog # Availability Size / Price Qty
CSL in U937 Human Cell Line.
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Product Details
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Reviews (1)

Human CSL Antibody Summary

Species Reactivity
Detects human CSL in direct ELISAs and Western blots.
Polyclonal Goat IgG
Antigen Affinity-purified
E. coli-derived recombinant human CSL
Accession # Q06330
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Human CSL
5-15 µg/mL
Immersion fixed human aortic smooth muscle cells

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Immunocytochemistry View Larger

CSL in U937 Human Cell Line. CSL was detected in immersion fixed U937 human histiocytic lymphoma cell line using Goat Anti-Human CSL Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4079) at 25 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; NL001) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. Staining was performed using our protocol for Fluorescent ICC Staining of Non-adherent Cells.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CSL

CSL (CBF1/RBP-Jk; Su(H)/Suppressor of Hairless; Lag-1) is a 56 kDa member of the Su(H) family of transcription factors. It is constitutively bound to DNA where it participates in gene repression. Upon ligand binding, the intracellular domain of Notch translocates to the nucleus and interacts with CSL, allowing transcription of Notch target genes. Human CSL is 500 amino acids (aa) in length. It contains three DNA binding sites (aa 58‑65; 192‑201; and 265‑297) and one IPT domain (aa 355‑445). Multiple splice variants exist that involve the first 89 N-terminal amino acids. One variant (isoform 2) is 487 aa in length and shows a 6 aa substitution for amino acids 1‑19. Over amino acids 195‑487, human CSL isoform 2 shares more than 98% aa sequence identity with mouse, rat, and canine CSL.

Long Name
Recombining Binding Protein Supressor of Hairless [CBF1, CSL]
Entrez Gene IDs
3516 (Human); 19664 (Mouse)
Alternate Names
CBF1; CBF-1; CSL; H-2K binding factor-2; IGKJRB1; IGKJRB1RBPSUHCBF1; IGKJRBRBP-J kappa; immunoglobulin kappa J region recombination signal binding protein 1; J kappa-recombination signal-binding protein; KBF2; RBPJ; RBP-JK; RBPJKMGC61669; RBP-Jrecombining binding protein suppressor of hairless (Drosophila); RBPSUH; recombination signal binding protein for immunoglobulin kappa J region; recombining binding protein suppressor of hairless; Renal carcinoma antigen NY-REN-30; SUH; suppressor of hairless homolog

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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

Goat IgG (H+L) Antibody


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Human CSL Antibody
By Anonymous on 02/08/2018
Application: Immunocytochemistry/Immunofluorescence Sample Tested: Bladder tissue Species: Human

Human T24 bladder cancer cell lines, overnight incubation at 4C. Concentration used 1:500. Secondary antigoat alexa 594, 1h incubation at room temperature.