Is predicted to encode a protein with the following domains: PH-like domain superfamily; Phosphotyrosine-binding domain; PTB/PI domain; SH2 domain superfamily; SH2 domain; and Tensin/EPS8 phosphotyrosine-binding domain. Is an ortholog of C. elegans tns-1. In C. elegans, tns-1 is involved in positive regulation of axon regeneration.