{{Rsnum
|rsid=121912295
|Chromosome=X
|Orientation=plus
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene=DKC1
|position=154774651
|Gene_s=DKC1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{omim
|id=300126
|rsnum=121912295
|variant=0005
}}
{{omim
|id=305000
|rsnum=121912295
}}{{ClinVar
|rsid=121912295
|Reversed=0
|FwdREF=G
|FwdALT=A
|REF=G
|ALT=A
|RSPOS=154002926
|CHROM=X
|dbSNPBuildID=133
|SSR=0
|SAO=1
|VP=0x050368000000000002110100
|GENEINFO=SNORA56:677835; DKC1:1736
|GENE_NAME=SNORA56; DKC1
|GENE_ID=677835; 1736
|WGT=0
|VC=SNV
|CLNALLE=1
|CLNHGVS=NC_000023.10:g.154002926G>A
|CLNSRC=GeneReviews; OMIM Allelic Variant; UniProtKB (variants)
|CLNORIGIN=1
|CLNSRCID=NBK22301; 300126.0005; VAR_006815
|CLNSIG=5
|CLNCUI=C1148551
|CLNDBN=Dyskeratosis congenita X-linked
|Disease=Dyskeratosis congenita X-linked
|CLNACC=RCV000012342.22
|Tags=PM;PMC;S3D;SLO;OTHERKG;LSD;OM
|CLNDSDB=GeneReviews:MedGen:OMIM
|CLNDSDBID=NBK22301:C1148551:305000
}}{{PMID|9590285}} X-linked dyskeratosis congenita is caused by mutations in a highly conserved gene with putative nucleolar functions.