Binds to vinculin, to the SH3 domain of c-SRC and to focal adhesion kinase. Interacts with GIT1, NUDT16L1/SDOS and TGFB1I1. Component of cytoplasmic complexes, which also contain GIT1, ARHGEF6 and PAK1. Binds ASAP2. Interacts with RNF5 and PDCD10 (By similarity). Interacts with PARVA. Interacts with NEK3 and this interaction is prolactin-dependent (By similarity). Interacts with PTK2.