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Anti-C48H91NO8 T cell receptor (AB18.1), pCDTCR1 (TCR-YC0239)


All products and services are For Research Use Only and CANNOT be used in the treatment or diagnosis of disease.

Loading with mixed bovine brain sulfatides (predominantly 24:0 and 24:1 acyl chains) dramatically enhanced CD1d binding to the DP10.7 TCR (Kd: 5.5 µM) and moderately affected binding to the AB18.1 TCR (Kd: 8.9 µM). Both clones bound to CD1d loaded with 24:1 sulfatide (acyl chain 24:1) at affinities comparable to that with mixed sulfatides (DP10.7 Kd: 5.6 µM; AB18.1 Kd: 13.9 µM). Comparing binding with 24:1 βGalCer-loaded CD1d, which lacks the 3'-galactose sulfate group characteristic of sulfatide lipids, showed that the sulfate moiety was essential for DP10.7 recognition (Kd> 100 µM). In line with sulfatide having a secondary role in recognition by the AB18.1 TCR, the absence of the 3' sulfate group only moderately affected AB18.1 binding (Kd: 16.8 µM). Thus, the DP10.7 TCR makes energetically important contacts with the sulfatide antigen, whereas the AB18.1 TCR can recognize CD1d molecules largely indiscriminately of lipid antigens.

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Details

  • Target
  • C48H91NO8
  • Epitope
  • beta-D-galactosyl-N-(nervonoyl)sphingosine
  • Format
  • Non-Modified TCR
  • Allele
  • Human CD1d
  • Vector Name
  • pCDTCR1
  • Vector Length
  • ~ 8 kb
  • Vector Type
  • Lentiviral vector
  • TCR Clone
  • AB18.1
  • Host Species
  • Human

Target

  • Introduction
  • The nature of the antigens recognized by γδ T cells and their potential recognition of major histocompatibility complex (MHC)-like molecules has remained unclear. The CD1 family of lipid-presenting molecules are suggested ligands for Vδ1 TCR-expressing γδ T cells, the major γδ lymphocyte population in epithelial tissues. A D-galactosyl-N-acylsphingosine where the ceramide N-acyl group is nervonoyl [(15Z)-tetracos-15-enoyl] and the D-galactosyl component has β anomeric configuration.

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For research use only. Not intended for any clinical use. No products from Creative Biolabs may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative Biolabs.

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