{{Rsnum
|rsid=121912825
|Chromosome=2
|Orientation=plus
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
|Gene=COL4A3
|position=227309007
|Gene_s=COL4A3
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{omim
|id=120070
|rsnum=121912825
|variant=0003
}}{{ClinVar
|rsid=121912825
|Reversed=0
|FwdREF=C
|FwdALT=G
|REF=C
|ALT=G
|RSPOS=228173723
|CHROM=2
|dbSNPBuildID=133
|SSR=0
|SAO=1
|VP=0x050268000000000002110100
|GENEINFO=COL4A3:1285; AC097662.2:654841
|GENE_NAME=COL4A3; AC097662.2
|GENE_ID=1285; 654841
|WGT=0
|VC=SNV
|CLNALLE=1
|CLNHGVS=NC_000002.11:g.228173723C>G
|CLNORIGIN=0
|CLNSRCID=
120070.0003
|CLNSIG=5
|CLNCUI=
|CLNACC=
RCV000019037.23
|Tags=PM;PMC;S3D;OTHERKG;LSD;OM
|CLNDBN=Alport syndrome, autosomal recessive
|CLNDSDB=GeneReviews:MedGen:OMIM:Orphanet:Orphanet
|CLNDSDBID=NBK1207:C1567744:203780:63:88919
|CLNSRC=OMIM Allelic Variant
|Disease=Alport syndrome
}}{{PMID|7987301}} Mutations in the type IV collagen alpha 3 (COL4A3) gene in autosomal recessive Alport syndrome.