{{Rsnum
|rsid=7286680
|Gene=TCN2
|Chromosome=22
|position=30622574
|Orientation=plus
|GMAF=0.309
|Gene_s=TCN2
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
}}{{PMID Auto
|PMID=22794911
|Title=A candidate gene study of one-carbon metabolism pathway genes and colorectal cancer risk
}}
{{PMID Auto
|PMID=23089108
|Title=Idiopathic pulmonary fibrosis and polymorphisms of the folate pathway genes
}}