18-22171496-C-T

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4BP6BS1

The NM_005257.6(GATA6):c.352C>T(p.Leu118Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000431 in 1,602,262 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00028 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

GATA6
NM_005257.6 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1O:1

Conservation

PhyloP100: 3.39

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 -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.33969793).

BP6

Variant 18-22171496-C-T is Benign according to our data. Variant chr18-22171496-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 572520.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000282 (43/152226) while in subpopulation AFR AF = 0.00101 (42/41554). AF 95% confidence interval is 0.000768. There are 0 homozygotes in GnomAd4. There are 24 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GATA6	NM_005257.6 link	c.352C>T	p.Leu118Phe	missense_variant	Exon 2 of 7	ENST00000269216.10	NP_005248.2	Q92908-1
GATA6	XM_047437483.1 link	c.352C>T	p.Leu118Phe	missense_variant	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.352C>T	p.Leu118Phe	missense_variant	Exon 2 of 7	1	NM_005257.6	ENSP00000269216.3		Q92908-1
GATA6	ENST00000581694.1 link	c.352C>T	p.Leu118Phe	missense_variant	Exon 1 of 6	1		ENSP00000462313.1		Q92908-1

Frequencies

GnomAD3 genomes

AF:

0.000283

AC:

AN:

152118

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00101

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:

0.00

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.0000570

AC:

AN:

227976

AF XY:

0.0000631

show subpopulations

Gnomad AFR exome

AF:

0.000952

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000179

AC:

AN:

1450036

Hom.:

Cov.:

AF XY:

0.0000139

AC XY:

AN XY:

721814

show subpopulations

African (AFR)

AF:

0.000628

AC:

AN:

33456

American (AMR)

AF:

0.0000224

AC:

AN:

44676

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26082

East Asian (EAS)

AF:

0.00

AC:

AN:

39682

South Asian (SAS)

AF:

0.00

AC:

AN:

86208

European-Finnish (FIN)

AF:

0.00

AC:

AN:

42328

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111596

Other (OTH)

AF:

0.0000664

AC:

AN:

60242

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

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:

0.000282

AC:

AN:

152226

Hom.:

Cov.:

AF XY:

0.000323

AC XY:

AN XY:

74414

show subpopulations

African (AFR)

AF:

0.00101

AC:

AN:

41554

American (AMR)

AF:

0.00

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5138

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10608

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68006

Other (OTH)

AF:

0.000473

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

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:

0.00

Hom.:

Bravo

AF:

0.000295

ESP6500AA

AF:

0.000466

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000500

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:1Other:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Monogenic diabetes

Uncertain:1

Sep 07, 2018

Personalized Diabetes Medicine Program, University of Maryland School of Medicine

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:research

ACMG criteria: N/A (REVEL 0.595 + PP3/8 predictors + BP4/2 predictors= conflicting evidence, not using)=VUS -

not provided

Uncertain:1

Nov 07, 2024

GeneDx

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Has not been previously published as pathogenic or benign to our knowledge; In silico analysis indicates that this missense variant does not alter protein structure/function -

Atrioventricular septal defect 5

Benign:1

Jan 30, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Pancreatic hypoplasia-diabetes-congenital heart disease syndrome

Other:1

Clinical Genomics, Uppaluri K&H Personalized Medicine Clinic

Significance:Uncertain risk allele

Review Status:criteria provided, single submitter

Collection Method:research

Potent mutations in GATA6 gene are associated with neonatal diabetes, decreased insulin production due to pancreatic aplasia or hypoplasia. Also associated with isolated cardiac abnormalities in children, like atrial septal defects.However no sufficient evidence is found to ascertain the role of this particular variant rs368297251 yet. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.56

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Uncertain

0.010

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.61

D;D

Eigen

Uncertain

0.33

Eigen_PC

Uncertain

0.30

FATHMM_MKL

Benign

0.61

LIST_S2

Benign

0.79

.;T

M_CAP

Pathogenic

0.97

MetaRNN

Benign

0.34

T;T

MetaSVM

Pathogenic

0.95

MutationAssessor

Benign

0.81

L;L

PhyloP100

3.4

PrimateAI

Pathogenic

0.88

PROVEAN

Benign

-1.2

N;.

REVEL

Uncertain

0.59

Sift

Uncertain

0.0020

D;.

Sift4G

Benign

0.078

T;T

Polyphen

1.0

D;D

Vest4

0.43

MVP

0.99

ClinPred

0.21

GERP RS

3.5

Varity_R

0.36

gMVP

0.51

Mutation Taster

=64/36

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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