domain:The SH3 domain mediates interaction with SHB.,function:Upon binding to EGF receptor enhances EGF-dependent mitogenic signals. Can bind multiple cellular targets.,PTM:Phosphorylated by several receptor tyrosine kinases.,similarity:Belongs to the EPS8 family.,similarity:Contains 1 PH domain.,similarity:Contains 1 SH3 domain.,subunit:Homodimer (By similarity). Interacts with BAIAP2. Interacts with SHB.,tissue specificity:Expressed in all tissues analyzed, including heart, brain, placenta, lung, liver, skeletal muscle, kidney and pancreas. Expressed in all epithelial and fibroblastic lines examined and in some, but not all, hematopoietic cells.,
Cytoplasm, cell cortex . Cell projection, ruffle membrane . Cell projection, growth cone . Cell projection, stereocilium . Cell junction, synapse, synaptosome . Localizes at the tips of the stereocilia of the inner and outer hair cells (By similarity). Localizes to the midzone of dividing cells. .
Expressed in all tissues analyzed, including heart, brain, placenta, lung, liver, skeletal muscle, kidney and pancreas. Expressed in all epithelial and fibroblastic lines examined and in some, but not all, hematopoietic cells.