Vitamin D-binding protein (DBP), also/originally known as gc-globulin (group-specific component), is a protein that in humans is encoded by the GCgene.[5][6] DBP is genetically the oldest member of the albuminoid family and appeared early in the evolution of vertebrates.[7]
^"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^Mikkelsen M, Jacobsen P, Henningsen K (Jul 1977). "Possible localization of Gc-System on chromosome 4. Loss of long arm 4 material associated with father-child incompatibility within the Gc-System". Human Heredity. 27 (2): 105–7. doi:10.1159/000152857. PMID558959.