The function of ENSG00000112796 (ENPP5, ectonucleotide pyrophosphatase/phosphodiesterase family member 5) is as follows. Can hydrolyze NAD but cannot hydrolyze nucleotide di- and triphosphates. Lacks lysopholipase D activity. May play a role in neuronal cell communication. {ECO:0000250|UniProtKB:P84039, ECO:0000250|UniProtKB:Q9EQG7}.