Variant chr4-83536650-A-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_032717.5(GPAT3):c.28A>T(p.Ile10Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,460,878 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

GPAT3
NM_032717.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.142

Variant links:

Genes affected

GPAT3 (HGNC:28157): (glycerol-3-phosphate acyltransferase 3) This gene encodes a member of the lysophosphatidic acid acyltransferase protein family. The encoded protein is an enzyme which catalyzes the conversion of glycerol-3-phosphate to lysophosphatidic acid in the synthesis of triacylglycerol. Multiple alternatively spliced variants, encoding the same protein, have been identified. [provided by RefSeq, Jan 2012]

GPAT3 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.078979015).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
GPAT3	NM_032717.5 linkuse as main transcript	c.28A>T	p.Ile10Phe	missense_variant	1/12	ENST00000264409.5	NP_116106.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
GPAT3	ENST00000264409.5 linkuse as main transcript	c.28A>T	p.Ile10Phe	missense_variant	1/12	1	NM_032717.5	ENSP00000264409	P1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000342

AC:

AN:

1460878

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

726714

show subpopulations

Gnomad4 AFR exome

AF:

0.000120

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

8.99e-7

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jul 20, 2022

The c.28A>T (p.I10F) alteration is located in exon 1 (coding exon 1) of the GPAT3 gene. This alteration results from a A to T substitution at nucleotide position 28, causing the isoleucine (I) at amino acid position 10 to be replaced by a phenylalanine (F). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.067

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.52

CADD

Benign

DANN

Benign

0.94

DEOGEN2

Benign

0.042

T;T;T

Eigen

Benign

-0.89

Eigen_PC

Benign

-0.81

FATHMM_MKL

Benign

0.034

LIST_S2

Benign

0.73

T;.;.

M_CAP

Benign

0.0059

MetaRNN

Benign

0.079

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.8

L;L;L

MutationTaster

Benign

1.0

N;N

PrimateAI

Benign

0.47

PROVEAN

Benign

-1.4

.;N;N

REVEL

Benign

0.026

Sift

Benign

0.034

.;D;D

Sift4G

Uncertain

0.054

T;T;T

Polyphen

0.0050

B;B;B

Vest4

0.34

MutPred

0.25

Gain of methylation at K9 (P = 0.0607);Gain of methylation at K9 (P = 0.0607);Gain of methylation at K9 (P = 0.0607);

MVP

0.11

MPC

0.19

ClinPred

0.26

GERP RS

-0.64

Varity_R

0.11

gMVP

0.62

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over