Variant 6-132617434-T-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_001033080.1(TAAR2):c.772A>C(p.Lys258Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000616 in 1,461,424 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 (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. K258E) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

TAAR2
NM_001033080.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.11

Variant links:

Genes affected

TAAR2 (HGNC:4514): (trace amine associated receptor 2) Predicted to enable trace-amine receptor activity. Predicted to be involved in G protein-coupled receptor signaling pathway. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

TAAR2 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.27599066).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TAAR2	NM_001033080.1 linkuse as main transcript	c.772A>C	p.Lys258Gln	missense_variant	2/2	ENST00000367931.1
TAAR2	NM_014626.3 linkuse as main transcript	c.637A>C	p.Lys213Gln	missense_variant	1/1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TAAR2	ENST00000367931.1 linkuse as main transcript	c.772A>C	p.Lys258Gln	missense_variant	2/2	1	NM_001033080.1	A2	Q9P1P5-1
TAAR2	ENST00000275191.2 linkuse as main transcript	c.637A>C	p.Lys213Gln	missense_variant	1/1			P4	Q9P1P5-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000616

AC:

AN:

1461424

Hom.:

Cov.:

AF XY:

0.00000550

AC XY:

AN XY:

727026

show subpopulations

Gnomad4 AFR exome

AF:

0.0000898

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:

0.00000270

Gnomad4 OTH exome

AF:

0.0000497

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

Nov 07, 2022

The c.772A>C (p.K258Q) alteration is located in exon 2 (coding exon 2) of the TAAR2 gene. This alteration results from a A to C substitution at nucleotide position 772, causing the lysine (K) at amino acid position 258 to be replaced by a glutamine (Q). 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

0.11

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.39

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.0058

.;T

Eigen

Benign

-0.15

Eigen_PC

Benign

0.026

FATHMM_MKL

Uncertain

0.82

LIST_S2

Benign

0.81

T;T

M_CAP

Benign

0.022

MetaRNN

Benign

0.28

T;T

MetaSVM

Benign

-0.83

MutationAssessor

Benign

1.1

.;L

MutationTaster

Benign

0.97

N;N;N

PrimateAI

Benign

0.34

PROVEAN

Benign

-1.1

N;N

REVEL

Benign

0.21

Sift

Benign

0.034

D;D

Sift4G

Uncertain

0.034

D;D

Polyphen

0.013

.;B

Vest4

0.24

MutPred

0.55

.;Gain of ubiquitination at K262 (P = 0.0519);

MVP

0.75

MPC

0.015

ClinPred

0.41

GERP RS

6.1

Varity_R

0.25

gMVP

0.50

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