Human Phospho-LAT (Y161) Antibody

Catalog #: MAB6334 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
MAB6334
MAB6334-SP

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Detection of Human Phospho-LAT (Y161) by Western Blot.

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Human Phospho-LAT (Y161) Antibody Summary

Species Reactivity

Human

Specificity

Detects human Phospho-LAT (Y161) in Western blots.

Source

Monoclonal Mouse IgG₁ Clone # 627945

Purification

Protein A or G purified from hybridoma culture supernatant

Immunogen

Phosphopeptide containing the human LAT Y161 site
Accession # O43561

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Label

Unconjugated

Applications

Recommended Concentration

Sample

Western Blot

0.1 µg/mL

See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot

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Detection of Human Phospho-LAT (Y161) by Western Blot. Western blot shows lysates of Jurkat human acute T cell leukemia cell line untreated (-) or treated (+) with Pervanadate (PV) for 5 minutes. PVDF Membrane was probed with 0.1 µg/mL of Mouse Anti-Human Phospho-LAT (Y161) Monoclonal Antibody (Catalog # MAB6334) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for Phospho-LAT (Y161) at approximately 40 kDa (as indicated). For additional reference, the membrane was stripped and reprobed with 1 µg/mL of Sheep Anti-Human LAT Antigen Affinity-purified Polyclonal Antibody (lower panel, Catalog # AF6208). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: LAT

LAT (Linker for Activation of T cells) is a type III transmembrane lipid raft protein that serves as a scaffold for signaling molecules. Isoforms of 262 (36 kDa) and 233, called long and short, respectively, differ by inclusion/exclusion of aa 114‑142; a 269 aa isoform lacks this region, but includes alternate N-terminal sequence. Upon T-cell antigen receptor activation, LAT is multiply phosphorylated by ZAP-70/Syk protein tyrosine kinases, creating docking sites for SH2 domain-containing proteins. Phospholipase C-gamma docks at Y161, which is pY132 in the short form of LAT. Mutation of this site results in a Th2 autoimmune lymphoproliferative disorder in mice.

Long Name

Linker for Activation of T cells

Entrez Gene IDs

27040 (Human); 16797 (Mouse); 81511 (Rat)

Alternate Names

36 kDa phospho-tyrosine adapter protein; LAT; LAT1,36 kDa phospho-tyrosine adaptor protein; linker for activation of T cells; linker for activation of T-cells family member 1; p36-38; pp36