NCIt definition : Human GC wild-type allele is located within 4q12-q13 and is approximately 42 kb in
length. This allele, which encodes vitamin D-binding protein, is involved in the transport
of vitamin D and its metabolites to targeted tissues.;
NCIt note : Over 80 variants of the human GC gene have been identified. The three most common
alleles are called GC*1F, GC*1S, and GC*2. (SwissProt);