DDAH1

This page contains an overview of the genetic variation in the DDAH1 gene, including its role in inherited cardiac disease. For more details, click on the links below, or for a specific variant, enter the HGVS variant here:

DDAH1 gene and transcript details

Gene Name
dimethylarginine dimethylaminohydrolase 1

Gene Links
Ensembl: ENSG00000153904 - Locus Reference Genomic:

Genomic Location
Chromosome 1 : 85,787,135 - 85,930,728 (reverse strand)
View in: Ensembl - UCSC Genome Browser


Canonical Seqs Transcript (855 bases)Protein (285 aa)
ENST00000284031 ENSP00000284031
NM_012137.3
O94760

Summary of DDAH1 in Cardiomyopathies


DDAH1 variants in ExAC

Details of the protein-altering DDAH1 variants (missense, loss of function truncating, inframe indels and splice site regions) found in the ExAC database are shown below. To view lists of specific variants with links to detailed population frequency data, click on the variant numbers - for all or a particular variant class.

Total VariantsCombined frequency of rare variants
All Variants860.00156
Truncating40.00005
Missense710.00130
Inframe10.00002
Splice Site100.00018

Rare variants are defined as having a mean allelic frequency of less than 0.0001.