NM_001102386.3:c.1038G>T

Variant names:

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_001102386.3(GNAT3):c.1038G>T(p.Glu346Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00057 in 1,581,208 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: 𝑓 0.0029 ( 1 hom., cov: 33)

Exomes 𝑓: 0.00032 ( 4 hom. )

Consequence

GNAT3
NM_001102386.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.701

Publications

5 publications found

Variant links:

Genes affected

GNAT3 (HGNC:22800): (G protein subunit alpha transducin 3) Sweet, bitter, and umami tastes are transmitted from taste receptors by a specific guanine nucleotide binding protein. The protein encoded by this gene is the alpha subunit of this heterotrimeric G protein, which is found not only in the oral epithelium but also in gut tissues. Variations in this gene have been linked to metabolic syndrome. [provided by RefSeq, Dec 2015]

GNAT3 links:

CD36 (HGNC:1663): (CD36 molecule (CD36 blood group)) The protein encoded by this gene is the fourth major glycoprotein of the platelet surface and serves as a receptor for thrombospondin in platelets and various cell lines. Since thrombospondins are widely distributed proteins involved in a variety of adhesive processes, this protein may have important functions as a cell adhesion molecule. It binds to collagen, thrombospondin, anionic phospholipids and oxidized LDL. It directly mediates cytoadherence of Plasmodium falciparum parasitized erythrocytes and it binds long chain fatty acids and may function in the transport and/or as a regulator of fatty acid transport. Mutations in this gene cause platelet glycoprotein deficiency. Multiple alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Feb 2014]

CD36 Gene-Disease associations (from GenCC):

platelet-type bleeding disorder 10
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine

CD36 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.012874633).

BS2

High Homozygotes in GnomAdExome4 at 4 gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GNAT3	NM_001102386.3 link	c.1038G>T	p.Glu346Asp	missense_variant	Exon 8 of 8	ENST00000398291.4	NP_001095856.1	A8MTJ3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GNAT3	ENST00000398291.4 link	c.1038G>T	p.Glu346Asp	missense_variant	Exon 8 of 8	1	NM_001102386.3	ENSP00000381339.3		A8MTJ3
CD36	ENST00000435819.5 link	c.-477-27769C>A		intron_variant	Intron 1 of 16	2		ENSP00000399421.1		P16671-1

Frequencies

GnomAD3 genomes

AF:

0.00293

AC:

445

AN:

152118

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0101

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000851

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000882

Gnomad OTH

AF:

0.00239

GnomAD2 exomes

AF:

0.000863

AC:

186

AN:

215512

AF XY:

0.000706

show subpopulations

Gnomad AFR exome

AF:

0.0112

Gnomad AMR exome

AF:

0.000942

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000407

Gnomad OTH exome

AF:

0.000187

GnomAD4 exome

AF:

0.000320

AC:

457

AN:

1428972

Hom.:

Cov.:

AF XY:

0.000266

AC XY:

189

AN XY:

709526

show subpopulations

African (AFR)

AF:

0.0108

AC:

347

AN:

31986

American (AMR)

AF:

0.000798

AC:

AN:

38830

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25446

East Asian (EAS)

AF:

0.00

AC:

AN:

38938

South Asian (SAS)

AF:

0.00

AC:

AN:

80092

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52288

Middle Eastern (MID)

AF:

0.000352

AC:

AN:

5676

European-Non Finnish (NFE)

AF:

0.0000383

AC:

AN:

1096490

Other (OTH)

AF:

0.000591

AC:

AN:

59226

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.445

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00292

AC:

445

AN:

152236

Hom.:

Cov.:

AF XY:

0.00282

AC XY:

210

AN XY:

74422

show subpopulations

African (AFR)

AF:

0.0101

AC:

419

AN:

41546

American (AMR)

AF:

0.000850

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.000207

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10596

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000882

AC:

AN:

68006

Other (OTH)

AF:

0.00237

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.510

Heterozygous variant carriers

105

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000979

Hom.:

Bravo

AF:

0.00340

ESP6500AA

AF:

0.00843

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000870

AC:

105

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.27

BayesDel_addAF

Benign

-0.37

BayesDel_noAF

Benign

-0.29

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.19

Eigen

Benign

-0.30

Eigen_PC

Benign

-0.17

FATHMM_MKL

Uncertain

0.81

LIST_S2

Uncertain

0.90

MetaRNN

Benign

0.013

MetaSVM

Benign

-0.68

MutationAssessor

Benign

0.95

PhyloP100

0.70

PrimateAI

Pathogenic

0.87

PROVEAN

Benign

0.25

REVEL

Benign

0.27

Sift

Benign

0.033

Sift4G

Benign

0.42

Polyphen

0.26

Vest4

0.41

MutPred

0.40

Loss of ubiquitination at K349 (P = 0.1079);

MVP

0.75

MPC

0.041

ClinPred

0.050

GERP RS

3.6

Varity_R

0.15

gMVP

0.53

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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NM_001102386.3:c.1038G>T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over