QL9
QL9 (QLSPFPFDL) is a high-affinity alloantigen for the 2C T cell receptor (TCR).
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- CAS 番号: 159646-83-0
- 分子式: C52H74N10O14
- 分子量:1063.20
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保管条件:
Sealed storage, away from moisture.
Powder -80°C, 2 years , -20°C, 1 year* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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Tel: 609-228-6898 E-mail: [email protected] [email protected]
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生物活性
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化学情報
- プロトコル
- 純度とドキュメンテーション
- 参考文献
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Help & FAQs
生物活性
製品説明
IC50 & Target
TCR[1]
体外実験
Mouse T cell clone 2C recognizes two different major histocompatibility (MHC) ligands, the self MHC Kb and the allogeneic MHC Ld. Two distinct peptides, SIY (SIYRYYGL) and QL9 (QLSPFPFDL), act as strong and specific agonists when bind to Kb and Ld, respectively. QL9 binding to MHC Ld is influenced by the majority of peptide side chains, distributed across the entire length of the peptide. Findings with both systems, but QL9-Ld in particular, suggest that many single-residue substitutions, introduced into peptides to improve their binding to MHC and thus their vaccine potential, could impair T cell reactivity due to their dual impact on TCR binding. T cell activation assays are performed to measure effects of peptide SIY and QL9 residues on T cell function[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
化学情報
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CAS 番号 159646-83-0
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性状 Solid
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分子量 1063.20
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分子式 C52H74N10O14
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Color White to off-white
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配列
Gln-Leu-Ser-Pro-Phe-Pro-Phe-Asp-Leu
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シーケンスの短縮
QLSPFPFDL
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輸送条件
Room temperature in continental US; may vary elsewhere.
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保管条件
Sealed storage, away from moisture
Powder -80°C 2 years -20°C 1 year * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
純度とドキュメンテーション
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データシート (263 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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取扱説明書 (2659 KB)
参考文献
[1]. Speir JA, et al. Structural basis of 2C TCR allorecognition of H-2Ld peptide complexes. Immunity. 1998 May;8(5):553-62. [Content Brief]
[2]. Bowerman NA, et al. Different strategies adopted by K(b) and L(d) to generate T cell specificity directed against their respective bound peptides. J Biol Chem. 2009 Nov 20;284(47):32551-61. [Content Brief]
Calculators
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
QL9 関連分類
HY-P0287 関連分類
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