Specifications

• Conjugation:
  Unconjugated
• Protein/Peptide Type:
  Recombinant
• Source:
  HEK293 cells
• Species:
  Rabbit
• Tag sequence:
  His Tag
• Storage Conditions:
  –20 °C
• Endotoxin Content:
  Less than 1.0 EU per μg by the LAL method.
• Biological Activity:
  Measured by its binding ability in a functional ELISA. Immobilized Human 4‑1BB Ligand, Fc Tag (Cat. No. 41L-H5257) at 2 μg/mL (100 μL/well) can bind Rabbit 4-1BB, His Tag (Cat. No. 41B-R52H9) with a linear range of 1-39 ng/mL (QC tested). Loaded Human 4-1BB Ligand, Mouse IgG2a Fc Tag, low endotoxin (Cat. No. 41L-H5254) on Protein A Biosensor, can bind Rabbit 4-1BB, His Tag (Cat. No. 41B-R52H9) with an affinity constant of 2.1 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
• Gene ID:
  G1SHD7-1
• Protein Synonyms:
  CD137|TNFRSF9|ILA|CDw137|4-1BB
• Protein/Peptide Name:
  4-1BB
• Purity:
  >90% as determined by SDS-PAGE.
• Molecular Weight:
  18.8 kDa
• Endotoxin Level:
  Low
• Formulation:
  Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
• Shipping Temperature:
  RT