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 |
| FBP1 | 9q22.32 | 611570 | A, Fd, REc | Fructose-1,6-bisphosphatase deficiency, 229700 (3) | 229700 | 3 |