1 => Disorder placed on map based on association with a gene; defect unknown
2 => Disorder placed by linkage; no mutation found
3 => Molecular basis known; mutation found in gene
4 => Contiguous gene deletion/duplication syndrome
| Gene Symbol | Chromosomal Location | Gene MIM number | Mapping Method | Phenotype | Phenotype MIM number | Phenotype Mapping Key |
| DUSP1 | 1q23.3 | 604835 | R | NA | NA | NA |
| DUSP1 | 5q35.1 | 600714 | A, REc | NA | NA | NA |