Lck (Ab 394) Antilichaam

Non-receptor tyrosine-protein kinase that plays an essential role in the selection and maturation of developing T-cells in the thymus and in the function of mature T-cells. Plays a key role in T-cell antigen receptor (TCR) -linked signal transduction pathways. Constitutively associated with the cytoplasmic portions of the CD4 and CD8 surface receptors. Association of the TCR with a peptide antigen-bound MHC complex facilitates the interaction of CD4 and CD8 with MHC class II and class I molecules, respectively, thereby recruiting the associated LCK protein to the vicinity of the TCR/CD3 complex. LCK then phosphorylates tyrosines residues within the immunoreceptor tyrosine-based activation motifs (ITAM) of the cytoplasmic tails of the TCR-gamma chains and CD3 subunits, initiating the TCR/CD3 signaling pathway. Once stimulated, the TCR recruits the tyrosine kinase ZAP70, that becomes phosphorylated and activated by LCK. Following this, a large number of signaling molecules are recruited, ultimately leading to lymphokine production. LCK also contributes to signaling by other receptor molecules. Associates directly with the cytoplasmic tail of CD2, which leads to hyperphosphorylation and activation of LCK. Also plays a role in the IL2 receptor-linked signaling pathway that controls the T-cell proliferative response. Binding of IL2 to its receptor results in increased activity of LCK. Is expressed at all stages of thymocyte development and is required for the regulation of maturation events that are governed by both pre-TCR and mature alpha beta TCR. Phosphorylates other substrates including RUNX3, the microtubule-associated protein MAPT, RHOH or TYROBP.

3932

P06239

NP_001036236.1

Human, Mouse

Lck (Ab-394) antibody was raised against a peptide sequence around aa. 392~396 (N-E-Y-T-A) derived from Human Lck.

Unconjugated

Primary Antibodies

Other

Antibodies were purified by affinity-chromatography using epitope-specific peptide.

1 mg/mL

Antibody supplied in phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.

None

Blue Ice

Store antibody at -20˚ C for up to one year.

56 kDa

The antibody detects endogenous levels of total Lck protein.

Western Blot: 1:500~1:1000

LCK

Lymphocyte-specific protein tyrosine kinase

Homo sapiens

Goh Y. M., Cinghu S., Hong E. T., Lee Y. S., Kim J. H., Jang J. W., Li Y. H., Chi X. Z., Lee K. S., Wee H., Ito Y., Oh B. C., Bae S. C. J. Biol. Chem. 285:10122-10129 (2010)

LSK, YT16, p56lck, pp58lck, PRKCT, LSK

WB

112789548

Liquid