Anti-IFNAR1 Antibody Prodrug, Protease Activated (S3A5)

CAT#: VS-1025-YC155

The Anti-IFNAR1 Antibody Prodrug, Protease Activated (S3A5) is an antibody prodrug comprised of a recombinant human antibody targeting human IFNAR1, linked to a masking peptide that conceals the active antigen-binding site via a protease-cleavable linker. The mask peptide is recombinantly attached to the amino terminus of either the light or heavy chain of the antibody, designed to block access to the antigen-binding site and physically prevent the antibody from binding to IFNAR1 protein. Once the masking peptide is cleaved by matrix metalloproteinases (MMPs), the prodrug is activated, allowing the unmasked monoclonal antibody component to bind to IFNAR1 effectively. IFNAR1 is a subunit of the Type I interferon receptor complex. Loss-of-function mutations in IFNAR1 are a mechanism of immune evasion in some cancers, preventing tumor cells from responding to interferon-mediated immune destruction and making them resistant to specific immunotherapies.

Gene Expression
Figure 1 Cerebral cortex Figure 2 Testis Figure 3 Lymph node Figure 4 RNA cell line category: Cell line enhanced (Karpas-707)

Specifications

  • Host Animal
  • Human
  • Applications
  • In situ zymography (ISZ), Cytotoxicity assay (Cyt), Functional assay
  • Specificity
  • Human IFNAR1
  • Target
  • IFNAR1
  • Species Reactivity
  • Human
  • Isotype
  • IgG
  • Clone
  • S3A5
  • Masking Approach
  • Affinity mask
  • Mask
  • A synthetic peptide
  • Protease Cleavable Linker
  • MMP-cleavable linker
  • Protease Substrate
  • MMPs
  • Purification
  • Protein A purified
  • Buffer
  • PBS, pH 7.4
  • Preservative
  • No preservatives
  • Storage
  • Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.

Target

  • Introduction
  • The protein encoded by this gene is a type I membrane protein that forms one of the two chains of a receptor for interferons alpha and beta. Binding and activation of the receptor stimulates Janus protein kinases, which in turn phosphorylate several proteins, including STAT1 and STAT2. The encoded protein also functions as an antiviral factor.
  • Alternative Names
  • AVP; IFRC; IFNAR; IFNBR; IFN-alpha-REC
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