15-45101227-TGAAC-TGAACGAAC

Variant summary

Our verdict is Pathogenic. Variant got 10 ACMG points: 10P and 0B. PVS1PM2

The NM_001363711.2(DUOX2):​c.2895_2898dupGTTC​(p.Ile967fs) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)

Consequence

DUOX2
NM_001363711.2 frameshift

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.959
Variant links:
Genes affected
DUOX2 (HGNC:13273): (dual oxidase 2) The protein encoded by this gene is a glycoprotein and a member of the NADPH oxidase family. The synthesis of thyroid hormone is catalyzed by a protein complex located at the apical membrane of thyroid follicular cells. This complex contains an iodide transporter, thyroperoxidase, and a peroxide generating system that includes this encoded protein and DUOX1. This protein is known as dual oxidase because it has both a peroxidase homology domain and a gp91phox domain. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 10 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
DUOX2NM_001363711.2 linkuse as main transcriptc.2895_2898dupGTTC p.Ile967fs frameshift_variant 22/34 ENST00000389039.11 NP_001350640.1
DUOX2NM_014080.5 linkuse as main transcriptc.2895_2898dupGTTC p.Ile967fs frameshift_variant 22/34 NP_054799.4 Q9NRD8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
DUOX2ENST00000389039.11 linkuse as main transcriptc.2895_2898dupGTTC p.Ile967fs frameshift_variant 22/341 NM_001363711.2 ENSP00000373691.7 X6RAN8
DUOX2ENST00000603300.1 linkuse as main transcriptc.2895_2898dupGTTC p.Ile967fs frameshift_variant 22/341 ENSP00000475084.1 Q9NRD8
DUOX2ENST00000558383.1 linkuse as main transcriptn.5144_5147dupGTTC non_coding_transcript_exon_variant 15/175
DUOX2ENST00000558416.1 linkuse as main transcriptn.109_112dupGTTC non_coding_transcript_exon_variant 2/23

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Cov.:
31
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs530719719; hg19: chr15-45393425; API