Product Name: Ltk-pY672
Product Number: AB-PK687
Size: 25 µg      Price:89.00
      $US
Target Full Name: Leukocyte tyrosine kinase receptor

Target Alias: Protein tyrosine kinase-1; TYK1; CCDS10077.1; ENSG00000062524

Product Type Specific: Protein kinase phosphosite-specific antibody

Antibody Code: PK687

Antibody Target Type: Phosphosite-specific

Antibody Phosphosite: Y672

Protein UniProt: P29376

Protein SigNET: P29376

Antibody Type: Polyclonal

Antibody Host Species: Rabbit

Antibody Immunogen Source: Human Ltk sequence peptide Cat. No.: PE-04ANO95

Antibody Immunogen Sequence: RDI(pY)RAS(bA)C

Antibody Immunogen Description: Corresponds to amino acid residues R669 to S675; In protein kinase catalytic domain activation T-loop between subdomains VII and VIII. This is the major in vivo phosphorylation site in Ltk.

Production Method: The immunizing peptide was produced by solid phase synthesis on a multipep peptide synthesizer and purified by reverse-phase hplc chromatography. Purity was assessed by analytical hplc and the amino acid sequence confirmed by mass spectrometry analysis. This peptide was coupled to KLH prior to immunization into rabbits. New Zealand White rabbits were subcutaneously injected with KLH-coupled immunizing peptide every 4 weeks for 4 months. The sera from these animals was applied onto an agarose column to which the immunogen peptide was thio-linked. Antibody was eluted from the column with 0.1 M glycine, pH 2.5. Subsequently, the antibody solution was neutralized to pH 7.0 with saturated Tris.This antibody was also subject to negative purification over phosphotyrosine-agarose.

Antibody Modification: Unconjugated. Contact KInexus if you are interest in having the antibody biotinylated or coupled with fluorescent dyes.

Antibody Concentration: 1 mg/ml

Storage Buffer: Phosphate buffered saline pH 7.4, 0.05% Thimerasol

Storage Conditions: For long term storage, keep frozen at -40°C or lower. Stock solution can be kept at +4°C for more than 3 months. Avoid repeated freeze-thaw cycles.

Product Use: Western blotting | Antibody microarray

Antibody Dilution Recommended: 2 µg/ml for immunoblotting

Antibody Potency: Very strong immunoreactivity with immunogen peptide on dot blots.

Antibody Species Reactivity: Human

Antibody Positive Control: The observed molecular mass of the processed target protein on SDS-PAGE gels is reported to be around 85-95 kDa.
Related Product 1: Ltk-pY672 blocking peptide

Scientific Background: Ltk is a receptor protein-tyrosine kinase of the TK group and Alk family. The exact function of this protein is not known. However, studies with chimeric proteins (replacing its extracellular region with that of several known growth factor receptors, such as EGFR and CSFIR) demonstrate its ability to promote growth and specifically neurite outgrowth, and cell survival via activation of the PI3 kinase pathway. It is involved in regulation of the secretory pathway involving endoplasmic reticulum (ER) export sites (ERESs) and ER to Golgi transport.
Figure 1. Epitope mapping of LTK-pY672 antibody with similar phosphopeptides on dot blots.


Figure 2. Identification of phosphosites related to LTK-pY672.