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 |
| NT5C2 | 10q24.32-q24.33 | 600417 | R, REc | Spastic paraplegia 45, autosomal recessive, 613162 (3) | 613162 | 3 |