The function of Ensembl gene identifier ENSG00000153707 (PTPRD, protein tyrosine phosphatase receptor type D) is as follows. Can bidirectionally induce pre- and post-synaptic differentiation of neurons by mediating interaction with IL1RAP and IL1RAPL1 trans-synaptically. Involved in pre-synaptic differentiation through interaction with SLITRK2. .