{{Rsnum
|rsid=842999
|Gene=GC
|Chromosome=4
|position=71745973
|Orientation=minus
|GMAF=0.365
|Gene_s=GC
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;G)
| geno3=(G;G)
| CEU | 16.1 | 54.8 | 29.0
| HCB | 62.2 | 35.6 | 2.2
| JPT | 80.0 | 17.8 | 2.2
| YRI | 82.3 | 16.1 | 1.6
| ASW | 0.0 | 0.0 | 0.0
| CHB | 62.2 | 35.6 | 2.2
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}
{{PMID Auto
|PMID=22144504
|Title=Polymorphic variation in the GC and CASR genes and associations with vitamin D metabolite concentration and metachronous colorectal neoplasia
|OA=1
}}

{{PMID Auto
|PMID=23505139
|Title=An analysis of the association between the vitamin D pathway and serum 25-hydroxyvitamin D levels in a healthy Chinese population
}}