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Recombinant Human IL-1 RII Protein

  • ActiBioPure™
  • Animal Free
  • Bioactive
  • Carrier Free
  • ≥95%(SDS-PAGE)
Features and benefits
  • Expression System: HEK293
  • Protein Tag: C-His
  • Bioactivity: Immobilized Recombinant Human IL-1β Protein (rp156012) at 5.0 μg/mL can bind Recombinant Human IL-1 RII Protein (rp181605) with the EC50 of 176.8 ng/mL.
  • Endotoxin Concentration: <1 EU/μg
Item Number
rp181605
Grouped product items
SKUSizeAvailabilityPrice Qty
rp181605-10μg (Trial Size)
Apply for free trial size(?)
Every year, as a valued customer, you have the exclusive opportunity to explore and enjoy three different trial products of your choice, absolutely free!
10μg
Available within 8-12 weeks(?)
Production requires sourcing of materials. We appreciate your patience and understanding.
$169.90
rp181605-50μg
50μg
Available within 8-12 weeks(?)
Production requires sourcing of materials. We appreciate your patience and understanding.
$489.90
rp181605-100μg
100μg
Available within 8-12 weeks(?)
Production requires sourcing of materials. We appreciate your patience and understanding.
$789.90
rp181605-1mg
1mg
Available within 8-12 weeks(?)
Production requires sourcing of materials. We appreciate your patience and understanding.
$3,999.90

Animal Free, ≥95% (SDS-PAGE), Active, 293F cell, C-His tag, 1-343 aa

Basic Description

Product NameRecombinant Human IL-1 RII Protein
GradeActiBioPure™, Animal Free, Bioactive, Carrier Free
Product Description

Protein Function:
Interleukin 1 receptor, type II (IL1R2) also known as CD121b (Cluster of Differentiation 121b) is a cytokine receptor that belongs to the interleukin-1 receptor family. This protein binds interleukin alpha (IL1A), interleukin beta (IL1B), and interleukin 1 receptor, type I (IL1R1/IL1RA), and acts as a decoy receptor that inhibits the activity of its ligands. The pleiotropic cytokine IL1 is produced to regulate the development and maintenance of the inflammatory responses and binds to specific plasma membrane receptors on cells. Two distinct types of IL1 receptors that can bind IL1 specifically have been identified, designated as IL1RI (IL1RA) and IL1RII (IL1RB). IL1R1 contributes to IL-1 signaling, whereas the IL-1R2/CD121b has no signaling property and acts as a decoy for IL-1. IL-1R2/CD121b structurally consisting of a ligand-binding portion comprised of three Ig-like domains, a single transmembrane region, and a short cytoplasmic domain is expressed in a variety of cell types including B lymphocytes, neutrophils, monocytes, large granular leukocytes, and endothelial cells. Interleukin 4 (IL4) is reported to antagonize the activity of interleukin 1 by inducing the expression and release of this cytokine.

Specifications & PurityActiBioPure™, Bioactive, Animal Free, Carrier Free, ≥95%(SDS-PAGE)
BioactivityImmobilized Recombinant Human IL-1β Protein (rp156012) at 5.0 μg/mL can bind Recombinant Human IL-1 RII Protein (rp181605) with the EC50 of 176.8 ng/mL.
Endotoxin Concentration<1 EU/μg
Expression SystemHEK293
Amino Acids1-343 aa
SequenceMLRLYVLVMGVSAFTLQPAAHTGAARSCRFRGRHYKREFRLEGEPVALRCPQVPYWLWASVSPRINLTWHKNDSARTVPGEEETRMWAQDGALWLLPALQEDSGTYVCTTRNASYCDKMSIELRVFENTDAFLPFISYPQILTLSTSGVLVCPDLSEFTRDKTDVKIQWYKDSLLLDKDNEKFLSVRGTTHLLVHDVALEDAGYYRCVLTFAHEGQQYNITRSIELRIKKKKEETIPVIISPLKTISASLGSRLT
Protein TagC-His
Predicted molecular weight38.6 kDa
SDS-PAGE48.4-60.9 kDa, under reducing conditions; 44.6-56.0 kDa, under non-reducing conditions

Product Specifications

ReconstitutionWe recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute at 0.1 mg/mL in sterile distilled water. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilu
Storage TempStore at -20°C,Avoid repeated freezing and thawing
Shipped InIce chest + Ice pads
Stability And StorageStore at -20°C for 1 year. Avoid freeze / thaw cycle.

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