• Species Reactivity

  Mouse

• Specificity

  Detects mouse IL-1 R1 in direct ELISAs and Western blots.

• Source

  Monoclonal Rat IgG2b Clone # 129304

• Immunogen

  Mouse myeloma cell line NS0-derived recombinant mouse IL-1 RI    
  Leu20-Lys338    
  Accession # P13504

• Formulation

  Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.

• Label

  Alexa Fluor 594

Applications

• 
  

  Recommended    
  Concentration

  Sample

• Flow Cytometry

  0.25-1 µg/10    ⁶ cells

  Mouse B220    ⁺ splenocytes

• 
  

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

Preparation and Storage

• Shipping

  The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

• Stability & Storage

  Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: IL-1 RI

The type I IL-1 receptor (IL-1 RI, designated IL-1 R1 and CD121a) is one of at least nine members of the IL-1 R family within the Toll/IL-1 R (TIR) superfamily. IL‑1 RI is an ~80 kDa type I transmembrane (TM) protein that binds the pleiotropic cytokines IL-1 alpha and IL-1 beta, plus the IL-1 receptor antagonist (IL-1 Ra). Signal transduction requires complex formation with the IL-1 R accessory protein (IL-1 R AcP/IL-1 R3), another type I TM protein. This complex recruits the adaptor protein MyD88 to initiate signaling in the NF kappa B pathway. Mouse IL-1 RI cDNA encodes a 576 amino acid (aa) protein that contains a 19 aa signal sequence, a 319 aa extracellular domain (ECD) with three C2-type Ig-like domains, a 21 aa TM domain and a 217 aa cytoplasmic region with a TIR domain. Mouse IL-1 RI shares 64%, 83%, 60%, 61% and 55% aa identity with human, rat, canine, equine and bovine IL-1 RI, respectively. The role of IL-1 in inflammation is under several levels of control, including expression and activation of IL-1 alpha and IL-1 beta, expression of IL-1 RI and its accessory and adaptor proteins, and negative regulators such as the IL‑receptor family member, IL-1RII/IL-1R2. IL-1 RI is expressed predominantly by T cells, fibroblasts, and endothelial cells and mediates acute phase inflammatory responses including fever.

• Long Name:

  Interleukin 1 Receptor I

• Entrez Gene IDs:

  3554 (Human); 16177 (Mouse)

• Alternate Names:

  CD121 antigen-like family member A; CD121a antigen; CD121a; IL-1 RI; IL1R; IL1R1; IL1RI; IL-1RI; IL1RT1; IL-1RT1; IL-1RT-1; Interleukin 1 Receptor 1; interleukin 1 receptor, type I; interleukin receptor 1; interleukin-1 receptor type 1; p80