Function:
Adapter protein that links FGR and NGF receptors to downstream signaling pathways. Involved in the activation of MAP kinases. Modulates signaling via SHC1 by competing for a common binding site on NTRK1.
Subunit:
Contains 1 IRS-type PTB domain.
Subcellular Location:
Endomembrane system. Cytoplasmic, membrane-bound.
Tissue Specificity:
Highly expressed in heart, brain, spleen, lung, liver, skeletal muscle, kidney and testis.
Post-translational modifications:
Phosphorylated by ULK2 in vitro. Phosphorylated on tyrosine residues upon stimulation by NGF or FGF2. Phosphorylated on tyrosine residues by activated ALK and FGFR1. Phosphorylated on tyrosine residues upon activation of FGFR2 and FGFR3. Phosphorylated on threonine residues by MAP kinases; this inhibits tyrosine phosphorylation, and thereby down-regulates FRS2-mediated activation of MAP kinases.
Ubiquitinated when tyrosine phosphorylated and in a complex with GRB2. The unphosphorylated form is not subject to ubiquitination.
Similarity:
Contains 1 IRS-type PTB domain.
Database links:
Entrez Gene: 10818 Human
Entrez Gene: 327826 Mouse
Entrez Gene: 314850 Rat
Omim: 607743 Human
SwissProt: Q8WU20 Human
SwissProt: Q8C36 Mouse
Unigene: 593446 Human
Unigene: 135965 Mouse
Unigene: 22182 Rat
Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
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