PTK7/CCK4 His Tag Protein, Cynomolgus
PTK7/CCK4 His Tag Protein, Cynomolgus
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Product Details
Product Details
Product Specification
| Species | Cynomolgus |
| Synonyms | PTK7, CCK4, Tyrosine-protein kinase-like 7, Protein-tyrosine kinase 7, Protein-tyrosine kinase 7 |
| Accession | A0A2K5VNI5 |
| Amino Acid Sequence | Ala39-Thr712, with C-terminal His |
| Expression System | HEK293 |
| Molecular Weight | 90-100kDa |
| Purity | >95% by SDS-PAGE |
| Endotoxin | <0.1EU/μg |
| Conjugation | Unconjugated |
| Tag | His Tag |
| Physical Appearance | Lyophilized Powder |
| Storage Buffer | PBS, pH7.4 |
| Reconstitution | Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation. |
| Stability & Storage | · 12 months from date of receipt, lyophilized powder stored at -20 to -80℃. · 3 months, -20 to -80℃ under sterile conditions after reconstitution. · 1 week, 2 to 8℃ under sterile conditions after reconstitution. · Please avoid repeated freeze-thaw cycles. |
| Reference |
1、Lichtig H. et al. (2019) Ptk7 proteolytic fragment proteins function during early xenopus development. Dev Biol. 453 (1): 48-55. 2、Damelin M. et al. (2017) A ptk7-targeted antibody-drug conjugate reduces tumor-initiating cells and induces sustained tumor regressions. Sci Transl Med. 9 (372): eaag2611. 3、Berger H. et al. (2017) Ptk7 faces the wnt in development and disease. Front Cell Dev Biol. 5: 31. |
Background
PTK7 comprises an extracellular region with seven immunoglobulin (Ig)-like loops, a transmembrane domain, and a cytosolic region containing a defective tyrosine kinase catalytic domain. Previous studies have reported that PTK7 functions as a co-receptor in the semaphorin/plexin signaling pathway, as well as in planar cell polarity and non-canonical Wnt signaling pathways during developmental processes. Additionally, PTK7 is associated with tumorigenesis. The expression of PTK7, which is upregulated in various malignancies, is negatively correlated with disease-free survival and/or overall survival in patients with cancer. PTK7 potentiates oncogenic signaling by functioning as a co-receptor for active RPTKs, such as FGFR1. The expression of PTK7 is also upregulated in endothelial cells, especially during tube formation.
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SDS-PAGE
1μg (R: reducing conditions, N: non-reducing conditions).
