dbSNP rs141117763: NKX2-1:c.*186_*187insCTACCC (chr14-36517091-A-AGGGTAG) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_001079668.3(NKX2-1):c.*186_*187insCTACCC variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,026,644 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000067 ( 0 hom., cov: 28)

Exomes 𝑓: 0.0000068 ( 0 hom. )

Consequence

NKX2-1
NM_001079668.3 3_prime_UTR

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.0890

Variant links:

Genes affected

NKX2-1 (HGNC:11825): (NK2 homeobox 1) This gene encodes a protein initially identified as a thyroid-specific transcription factor. The encoded protein binds to the thyroglobulin promoter and regulates the expression of thyroid-specific genes but has also been shown to regulate the expression of genes involved in morphogenesis. Mutations and deletions in this gene are associated with benign hereditary chorea, choreoathetosis, congenital hypothyroidism, and neonatal respiratory distress, and may be associated with thyroid cancer. Multiple transcript variants encoding different isoforms have been found for this gene. This gene shares the symbol/alias 'TTF1' with another gene, transcription termination factor 1, which plays a role in ribosomal gene transcription. [provided by RefSeq, Feb 2014]

NKX2-1 links:

SFTA3 (HGNC:):

SFTA3 links:

SFTA3 (HGNC:18387): (surfactant associated 3) Involved in wound healing. Located in cytoplasm and extracellular space. [provided by Alliance of Genome Resources, Apr 2022]

SFTA3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BS2

High AC in GnomAdExome4 at 6 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
NKX2-1	NM_001079668.3 link	c.186_187insCTACCC	3_prime_UTR_variant	Exon 3 of 3	ENST00000354822.7	NP_001073136.1	P43699-3
NKX2-1	NM_003317.4 link	c.186_187insCTACCC	3_prime_UTR_variant	Exon 2 of 2		NP_003308.1	P43699-1
SFTA3	NR_161364.1 link	n.89+2376_89+2377insCTACCC	intron_variant	Intron 1 of 4
SFTA3	NR_161365.1 link	n.89+2376_89+2377insCTACCC	intron_variant	Intron 1 of 4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NKX2-1	ENST00000354822.7 link	c.186_187insCTACCC		3_prime_UTR_variant	Exon 3 of 3	1	NM_001079668.3	ENSP00000346879.6		P43699-3
SFTA3	ENST00000546983.2 link	n.373+1893_373+1894insCTACCC		intron_variant	Intron 2 of 3	4		ENSP00000449302.2		F8VVG2

Frequencies

GnomAD3 genomes

AF:

0.00000667

AC:

AN:

149928

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.000103

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000684

AC:

AN:

876716

Hom.:

Cov.:

AF XY:

0.00000929

AC XY:

AN XY:

430776

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

19890

American (AMR)

AF:

0.00

AC:

AN:

12532

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

14660

East Asian (EAS)

AF:

0.00

AC:

AN:

27734

South Asian (SAS)

AF:

0.00

AC:

AN:

41152

European-Finnish (FIN)

AF:

0.00

AC:

AN:

27754

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2668

European-Non Finnish (NFE)

AF:

0.00000723

AC:

AN:

691944

Other (OTH)

AF:

0.0000261

AC:

AN:

38382

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.400

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000667

AC:

AN:

149928

Hom.:

Cov.:

AF XY:

0.0000137

AC XY:

AN XY:

72974

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

40934

American (AMR)

AF:

0.00

AC:

AN:

15054

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3462

East Asian (EAS)

AF:

0.00

AC:

AN:

5138

South Asian (SAS)

AF:

0.00

AC:

AN:

4792

European-Finnish (FIN)

AF:

0.000103

AC:

AN:

9718

Middle Eastern (MID)

AF:

0.00

AC:

AN:

310

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67558

Other (OTH)

AF:

0.00

AC:

AN:

2058

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.089

Splicing

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

Publications

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rs141117763

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over