A potential link between DYT6 and DYT3 dystonias. A, THAP1/DYT6 associates with HCF-1 and OGT. B, map of the DYT3 critical region on Xq13.1. The different genes (TAF1, ING2, OGT), transcripts (MTS) and mutations (SVA retrotransposon, DSCs, and 48-bp deletion) are indicated.