{{Rsnum
|rsid=78218009
|Chromosome=3
|Orientation=plus
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene=TREX1
|position=48467145
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|Gene_s=TREX1
}}{{omim
|id=606609
|rsnum=78218009
|variant=0002
}}{{ClinVar
|rsid=78218009
|Reversed=0
|FwdREF=C
|FwdALT=T
|REF=C
|ALT=T
|RSPOS=48508544
|CHROM=3
|dbSNPBuildID=131
|SSR=0
|SAO=1
|VP=0x050368000000000002110100
|GENEINFO=TREX1:11277
|GENE_NAME=TREX1
|GENE_ID=11277
|WGT=0
|VC=SNV
|CLNALLE=1
|CLNHGVS=NC_000003.11:g.48508544C>T
|CLNSRC=GTR; OMIM Allelic Variant
|CLNORIGIN=1
|CLNSRCID=GTR000330642; 606609.0002
|CLNSIG=5
|CLNCUI=C0796126
|CLNDBN=Aicardi Goutieres syndrome 1
|Disease=Aicardi Goutieres syndrome 1
|CLNACC=RCV000004398.2
|Tags=PM;PMC;S3D;SLO;OTHERKG;LSD;OM
|CLNDSDB=GeneReviews:MedGen:OMIM:Orphanet
|CLNDSDBID=NBK1475:C0796126:225750:51
}}{{PMID|16845398}} Mutations in the gene encoding the 3'-5' DNA exonuclease TREX1 cause Aicardi-Goutieres syndrome at the AGS1 locus.