May play a role in eye development. Interacts with C1QTNF5. Specifically expressed in brain. Strongly expressed in medulla oblongata and to a lower extent in hippocampus and corpus callosum. Expressed in keratinocytes. Expressed in fetal brain. The disease is caused by variants affecting the gene represented in this entry. The disease is caused by variants affecting the gene represented in this entry. This protein is produced by a bicistronic gene which also produces the C1QTNF5 protein from a non-overlapping reading frame.