LCP2
Reactivity: Human
WB
Host: Rabbit
Polyclonal
RB56244
unconjugated
Application Notes
This antibody conjugate is suitable for intracellular staining of human whole blood (using BD Phosflow™ Lyse/Fix Buffer, Cat. No. 558049) and peripheral blood mononuclear cells (using BD Cytofix™ Fixation Buffer, Cat. No. 554655). Any of the 3 BD Phosflow™ Perm Buffers may be used.
Sample Volume
20 μL
Restrictions
For Research Use only
Format
Liquid
Buffer
Aqueous buffered solution containing BSA and ≤0.09 % sodium azide.
Preservative
Sodium azide
Precaution of Use
This product contains Sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Storage
4 °C
Storage Comment
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. The antibody was conjugated to Alexa Fluor® 647 under optimum conditions, and unreacted Alexa Fluor® 647 was removed.
Wu, Koretzky: "The SLP-76 family of adapter proteins." in: Seminars in immunology, Vol. 16, Issue 6, pp. 379-93, (2004) (PubMed).
Janssen, Zhang: "Adaptor proteins in lymphocyte activation." in: Current opinion in immunology, Vol. 15, Issue 3, pp. 269-76, (2003) (PubMed).
Fang, Motto, Ross, Koretzky: "Tyrosines 113, 128, and 145 of SLP-76 are required for optimal augmentation of NFAT promoter activity." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 157, Issue 9, pp. 3769-73, (1996) (PubMed).
Target
LCP2
(Lymphocyte Cytosolic Protein 2 (SH2 Domain Containing Leukocyte Protein of 76kDa) (LCP2))
SLP-76 (SH2 domain-containing Leukocyte Protein of 76 kDa) is a tyrosine phosphoprotein that is involved in the T cell receptor (TCR) -mediated intracellular signaling pathway. It may be involved in the signaling pathways of other peripheral blood leukocytes, thymic/splenic cells, and in human T, B, and monocytic cell lines. SLP-76 consists of several motifs that signify its importance in protein-protein interactions involved in intracellular signaling pathways, such as the SH2 domain in the C-terminus, the three amino-terminus 17-amino acid repeats with conserved tyrosine and acidic residues (DYE(S/P)P), and a proline rich region. SLP-76 has been shown to associate with Gads, Grb2, PLCg1, SLAP-130, and Vav, all of which are part of the signaling cascade in T lymphocytes. An early event in the T cell activation pathway is the phosphorylation, by the Syk-family kinase ZAP-70, of SLP-76 at the three conserved tyrosine motifs, which then mediate interactions with downstream effectors. The phosphorylated tyrosine 128 (Y128) brings the Rho family guanine nucleotide exchange factor Vav1 and the Nck adapter protein, which binds to p21-activated kinase (PAK1) and Wiskott-Aldrich syndrome protein (WASP), into the activation complex. Vav1, PAK1, and WASP may mediate TCR-stimulated actin cytoskeletal rearrangement. The J141-688.36.58 monoclonal antibody recognizes the phosphorylated Y128 of activated SLP-76.