3q29 copy number variation (duplication or deletion) is a rare genetic condition that results in a variety of psychiatric problems. The genes on the red DNA strand represents the deleted, or duplicated, region. The downstream effects and interaction partners of the different genes are shown according to available knowledge. The breakpoints (chr3:195,788,299 – 197,033,296, GRCh37/hg19) are defined as given in Cox and Butler PMID: 25714563.