There are multiple definitions:
non-complex karyotype(English)
Non-Catalytic region of tyrosine Kinase [adaptor protein](English)
- adaptor (types NCK1 and NCK2) that connects growth factor receptors to the actin machinery via their single SH2 and three SH3 domains
- DHFR-PCA, PPI, PTM, RTK, SH3
- Receptors, Molecular biology
- https://doi.org…/jbc.M800913200