Table 2: Mapping and clinical features of PCG
| Nomenclature | Chromosomal location | DNA marker region | Gene identified | Mode of inheritance | Penetrance | ||||||
| GLC3A | 2p21-22 | D252186 and C251346 | CYP1B1 | Autosomal recessive | Severe | ||||||
| GLC3B | 1p36 | D151597 and D151176 | Autosomal recessive | Severe | |||||||
| GLC3C | 14q24.3 | D14553 | LTBP2 | Autosomal recessive | Severe |