Vitamin D-Dependent Rickets, also known as vddr, is related to vitamin d-dependent rickets, type 3 and hypocalcemic vitamin d-dependent rickets. An important gene associated with Vitamin D-Dependent Rickets is CYP27B1 (Cytochrome P450 Family 27 Subfamily B Member 1), and among its related pathways/superpathways are Metapathway biotransformation Phase I and II and Oxidation by cytochrome P450. Affiliated tissues include bone and dorsal root ganglion, and related phenotypes are homeostasis/metabolism and renal/urinary system