Phospho-Lck (Tyr505) (A3) rabbit mAb Antibody

SKU: orb1946120

Description

Lck is a member of the Src family of non-receptor tyrosine kinases and plays a major role in T cell activation. Lck activates many downstream signaling pathways including Akt/mTOR, SAPK/JNK, PLCg1, and RAS/MAPK. Phosphorylation of Lck at Tyr394 in the catalytic domain at the ATP-binding site stabilizes the open and active form, while phosphorylation at Tyr505 in the C-terminal domain promotes the closed, inactive conformation. Multiple small-molecule drugs used to treat leukemia have been shown to target inhibition of Lck, including imatinib and dasatinib. Lck is thus a promising target for suppressing T-cell responses for the treatment of inflammatory diseases or after organ transplantation.

Images & Validation

• Tested Applications: FC, WB
• Dilution range: 1µg/mL - 0.001µg/mL. It is recommended that the reagent be titrated for optimal performance for each application. See product image legends for additional information.
• Reactivity: Human

Key Properties

• Host: Rabbit
• Clonality: Monoclonal
• Isotype: Rabbit IgG1k
• Clone No.: LckY505-A3
• Immunogen: A synthetic phospho-peptide corresponding to residues surrounding Tyr505 of human phospho Lck
• Purification: Protein A+G

Storage & Handling

• Storage: Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
• Form/Appearance: Liquid
• Buffer/Preservatives: 1X PBS, 0.02% NaN3, 50% Glycerol, 0.1% rAlbumin
• Concentration: 0.5 mg/mL
• Disclaimer: For research use only

Alternative Names

Tyrosine-protein kinase Lck, Leukocyte C-terminal Src kinase, LSK, Protein YT16, T cell-specific protein-tyrosine kinase

Western blot analysis of Jurkat cell extract untreated or treated with 200nM calyculin A for 30min using Phospho-Lck (Tyr505) antibody LckY505-A3 at 0.1 μg/mL. Cat. #orb1946120.

Peptide blocking flow cytometric analysis of Daudi cells secondary antibody only negative control (light blue) or untreated (red) or treated with IFNα + IL-4 + pervanadate (green) or untreated and blocked with phospho-peptide (black) or treated and blocked with phospho peptide (gold) or untreated and blocked with non-phospho peptide (dark blue) or treated and blocked with non-phospho peptide (purple) using Phospho-Lck (Tyr505) antibody LckY505-A3 at 1 μg/mL. Cat. #orb1946120.

Flow cytometric analysis of Daudi cells secondary antibody only negative control (blue) or untreated (red) or treated with IFNα + IL-4 + pervanadate (green) using Phospho-Lck (Tyr505) antibody LckY505-A3 at 1 μg/mL. Cat. #orb1946120.

Western blot analysis of Jurkat cell extract, untreated or treated with calyculin A using 0.1 μg/mL Phospho-Lck (Tyr505) antibody LckY505-A3 Cat. #orb1946120 or Company C antibody at 1 μg/mL (manufacturer's recommended concentration) developed using the same exposure.

Quick Database Links

UniProt

P06239