18-22172111-TACCACCACCACCACC-TACCACCACC

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP3

The NM_005257.6(GATA6):c.993_998delCCACCA(p.His332_His333del) variant causes a disruptive inframe deletion change. The variant allele was found at a frequency of 0.0000335 in 1,462,868 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000035 ( 0 hom. )

Consequence

GATA6
NM_005257.6 disruptive_inframe_deletion

Scores

Not classified

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.59

Publications

2 publications found

Variant links:

Genes affected

GATA6 (HGNC:4174): (GATA binding protein 6) This gene is a member of a small family of zinc finger transcription factors that play an important role in the regulation of cellular differentiation and organogenesis during vertebrate development. This gene is expressed during early embryogenesis and localizes to endo- and mesodermally derived cells during later embryogenesis and thereby plays an important role in gut, lung, and heart development. Mutations in this gene are associated with several congenital defects. [provided by RefSeq, Mar 2012]

GATA6 Gene-Disease associations (from GenCC):

atrial septal defect 9
Inheritance: AD Classification: DEFINITIVE, LIMITED Submitted by: G2P, Ambry Genetics
atrioventricular septal defect 5
Inheritance: AD Classification: DEFINITIVE, LIMITED Submitted by: G2P, Labcorp Genetics (formerly Invitae)
GATA6-related congenital heart disease with or without pancreatic agenesis or neonatal diabetes
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
pancreatic hypoplasia-diabetes-congenital heart disease syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp, Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
metabolic syndrome
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
neonatal diabetes mellitus
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
tetralogy of fallot
Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
familial atrial fibrillation
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
conotruncal heart malformations
Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

GATA6 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -1 ACMG points.

BP3

Nonframeshift variant in repetitive region in NM_005257.6

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GATA6	NM_005257.6 link	c.993_998delCCACCA	p.His332_His333del	disruptive_inframe_deletion	Exon 2 of 7	ENST00000269216.10	NP_005248.2	Q92908-1
GATA6	XM_047437483.1 link	c.993_998delCCACCA	p.His332_His333del	disruptive_inframe_deletion	Exon 2 of 7		XP_047293439.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GATA6	ENST00000269216.10 link	c.993_998delCCACCA	p.His332_His333del	disruptive_inframe_deletion	Exon 2 of 7	1	NM_005257.6	ENSP00000269216.3		Q92908-1
GATA6	ENST00000581694.1 link	c.993_998delCCACCA	p.His332_His333del	disruptive_inframe_deletion	Exon 1 of 6	1		ENSP00000462313.1		Q92908-1

Frequencies

GnomAD3 genomes

AF:

0.0000200

AC:

AN:

149902

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:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000447

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000185

AC:

AN:

48518

AF XY:

0.0000765

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00110

Gnomad NFE exome

AF:

0.000225

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000350

AC:

AN:

1312966

Hom.:

AF XY:

0.0000326

AC XY:

AN XY:

644488

show subpopulations

African (AFR)

AF:

0.0000343

AC:

AN:

29132

American (AMR)

AF:

0.00

AC:

AN:

32264

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

21596

East Asian (EAS)

AF:

0.0000310

AC:

AN:

32298

South Asian (SAS)

AF:

0.0000277

AC:

AN:

72110

European-Finnish (FIN)

AF:

0.000171

AC:

AN:

29316

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5048

European-Non Finnish (NFE)

AF:

0.0000338

AC:

AN:

1036920

Other (OTH)

AF:

0.0000368

AC:

AN:

54282

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.417

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000200

AC:

AN:

149902

Hom.:

Cov.:

AF XY:

0.0000274

AC XY:

AN XY:

73102

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

40994

American (AMR)

AF:

0.00

AC:

AN:

15154

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3444

East Asian (EAS)

AF:

0.00

AC:

AN:

5026

South Asian (SAS)

AF:

0.00

AC:

AN:

4768

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10182

Middle Eastern (MID)

AF:

0.00

AC:

AN:

312

European-Non Finnish (NFE)

AF:

0.0000447

AC:

AN:

67068

Other (OTH)

AF:

0.00

AC:

AN:

2052

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.592

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000146

Hom.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Atrioventricular septal defect 5

Uncertain:1

Oct 31, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant, c.993_998del, results in the deletion of 2 amino acid(s) of the GATA6 protein (p.His332_His333del), but otherwise preserves the integrity of the reading frame. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with GATA6-related conditions. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

4.6

Mutation Taster

=180/20

polymorphism

(source)

Splicing

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over