Genetic Variant GATA2:p.Val70Ile (chr3-128486824-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_032638.5(GATA2):c.208G>A(p.Val70Ile) variant causes a missense change. The variant allele was found at a frequency of 0.000000687 in 1,456,410 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V70F) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

GATA2
NM_032638.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.82

Publications

0 publications found

Variant links:

Genes affected

GATA2 (HGNC:4171): (GATA binding protein 2) This gene encodes a member of the GATA family of zinc-finger transcription factors that are named for the consensus nucleotide sequence they bind in the promoter regions of target genes. The encoded protein plays an essential role in regulating transcription of genes involved in the development and proliferation of hematopoietic and endocrine cell lineages. Alternative splicing results in multiple transcript variants.[provided by RefSeq, Mar 2009]

GATA2 Gene-Disease associations (from GenCC):

deafness-lymphedema-leukemia syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P, Genomics England PanelApp
GATA2 deficiency with susceptibility to MDS/AML
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
monocytopenia with susceptibility to infections
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics
acute myeloid leukemia
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
myelodysplastic syndrome
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp

GATA2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GATA2	NM_032638.5 link	c.208G>A	p.Val70Ile	missense_variant	Exon 2 of 6	ENST00000341105.7	NP_116027.2	P23769-1
GATA2	NM_001145661.2 link	c.208G>A	p.Val70Ile	missense_variant	Exon 3 of 7		NP_001139133.1	P23769-1
GATA2	NM_001145662.1 link	c.208G>A	p.Val70Ile	missense_variant	Exon 2 of 6		NP_001139134.1	P23769-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GATA2	ENST00000341105.7 link	c.208G>A	p.Val70Ile	missense_variant	Exon 2 of 6	1	NM_032638.5	ENSP00000345681.2		P23769-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.87e-7

AC:

AN:

1456410

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

724002

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33446

American (AMR)

AF:

0.00

AC:

AN:

43888

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25804

East Asian (EAS)

AF:

0.00

AC:

AN:

39466

South Asian (SAS)

AF:

0.00

AC:

AN:

84920

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52684

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

9.01e-7

AC:

AN:

1110332

Other (OTH)

AF:

0.00

AC:

AN:

60116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.16

BayesDel_addAF

Uncertain

0.15

BayesDel_noAF

Uncertain

-0.020

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.45

T;.;T;T

Eigen

Benign

0.047

Eigen_PC

Benign

0.15

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.93

.;D;D;D

M_CAP

Uncertain

0.21

MetaRNN

Uncertain

0.48

T;T;T;T

MetaSVM

Uncertain

0.76

MutationAssessor

Uncertain

2.0

M;M;M;.

PhyloP100

5.8

PrimateAI

Pathogenic

0.84

PROVEAN

Benign

-0.22

N;N;N;N

REVEL

Uncertain

0.45

Sift

Benign

0.34

T;T;T;T

Sift4G

Benign

0.40

T;T;T;T

Polyphen

0.20

B;P;B;.

Vest4

0.27

MutPred

0.36

Loss of glycosylation at S73 (P = 0.0388);Loss of glycosylation at S73 (P = 0.0388);Loss of glycosylation at S73 (P = 0.0388);Loss of glycosylation at S73 (P = 0.0388);

MVP

0.75

MPC

1.2

ClinPred

0.87

GERP RS

4.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.15

gMVP

0.32

Mutation Taster

=88/12

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over