APS adapter protein has been identified as a KIT binding partner using yeast two-hybrid screening. APS contains a PH domain and an SH2 domain. The SH2 domain interacts with c-Kit phosphotyrosine residues Y568 and Y936 (Wollberg et al. 2003).
Wollberg, P, Lennartsson, J, Gottfridsson, E, Yoshimura, A, Rönnstrand, L
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