It is involved in synaptogenesis and promotes excitatory synapse differentiation (PubMed:27273464, PubMed:27812321, PubMed:35840571). Suppresses neurite outgrowth (By similarity). Involved in the negative regulation of NTRK2 (PubMed:35840571). {ECO:0000250|UniProtKB:Q810C0, ECO:0000269|PubMed:27273464, ECO:0000269|PubMed:27812321, ECO:0000269|PubMed:35840571}. This is the function of ENSG00000185985 (SLITRK2, SLIT and NTRK like family member 2).