516483

Pepstatin A, Penetratin

A Pepstatin A that is ~75% less potent against Cathespins D/E than PepA in cell-free assays.

• 別名: Pepstatin A, Penetratin, PepA-RQIKIWFQNRRMKWKK-OH, PepA-Antp₄₃₋₅₈
• 実験式（ヒル表記法）: C₁₃₈H₂₂₉N₃₉O₂₈S
• 分子量: 2914.60
• UNSPSCコード: 12352202
• NACRES: NA.77

特性

• 品質水準: 100
• アッセイ: ≥97% (HPLC)
• 形状: lyophilized solid
• メーカー／製品名: Calbiochem^®
• 保管条件: OK to freeze; desiccated (hygroscopic); protect from light
• 色: white
• 溶解性: water: 1 mg/mL
• 輸送温度: wet ice
• 保管温度: −20°C

詳細

詳細

A Pepstatin A (PepA; Cat. No. 516481) penetratin (pAntp_43-58) conjugate (PepA-P) that is ~75% less potent against Cathespins D/E (IC₅₀ = 920 nM) than PepA in cell-free assays, presumably due to its decreased solubility. However, with its enhanced permeability, PepA-P is much more active than PepA in inhibiting cellular aspartic protease activity in MCF7 (94.1% vs. 54.6% inhibition wtih 10 µM respective compound), Boleths, and Dendritic cultures. PepA-P, but not PepA, effectively interferes with antigen processing by primary APCs and the subsequent activation of antigen-specific memory T cells.

包装

Packaged under inert gas

警告

Toxicity: Standard Handling (A)

シーケンス

PepA-Arg-Gln-Ile-Lys-Ile-Trp-Phe-Gln-Asn-Arg-Arg-Met-Lys-Trp-Lys-Lys-CO₂H

物理的形状

Supplied as a trifluoroacetate salt.

再構成

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

その他情報

Zaidi, N., et al. 2007. Biochem. Biophys. Res. Commun.364, 243.

法的情報

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

安全性情報

• 保管分類コード: 11 - Combustible Solids
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable