Genetic Variant TAS2R41:p.Arg55His (chr7-143478036-G-A) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

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

The NM_176883.2(TAS2R41):c.164G>A(p.Arg55His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000341 in 1,613,962 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 Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000085 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000029 ( 0 hom. )

Consequence

TAS2R41
NM_176883.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.87

Variant links:

Genes affected

TAS2R41 (HGNC:18883): (taste 2 receptor member 41) This gene encodes a member of the bitter taste receptor family which belong to the G protein-coupled receptor superfamily and are predominantly expressed in taste receptor cells of the tongue and palate epithelia. This intronless taste receptor gene encodes a seven-transmembrane receptor protein, functioning as a bitter taste receptor. This gene is clustered together with eight other taste receptor genes on chromosome 7. Chloramphenicol is an agonist for the encoded protein. [provided by RefSeq, Jul 2017]

TAS2R41 links:

EPHA1-AS1 (HGNC:27799): (EPHA1 antisense RNA 1)

EPHA1-AS1 links:

Genome browser will be placed here

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=0.38889155).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TAS2R41	NM_176883.2 link	c.164G>A	p.Arg55His	missense_variant	Exon 1 of 1	ENST00000408916.1	NP_795364.2	P59536
EPHA1-AS1	NR_033897.1 link	n.207-26738G>A		intron_variant	Intron 2 of 4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
TAS2R41	ENST00000408916.1 link	c.164G>A	p.Arg55His	missense_variant	Exon 1 of 1	6	NM_176883.2	ENSP00000386201.1	P59536
EPHA1-AS1	ENST00000429289.5 link	n.207-26738G>A		intron_variant	Intron 2 of 4	1
EPHA1-AS1	ENST00000690912.1 link	n.228-17930G>A		intron_variant	Intron 2 of 2
EPHA1-AS1	ENST00000703017.1 link	n.206-17930G>A		intron_variant	Intron 2 of 2

Frequencies

GnomAD3 genomes

AF:

0.0000855

AC:

AN:

152072

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000169

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000196

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:

0.0000294

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.0000241

AC:

AN:

249250

Hom.:

AF XY:

0.0000148

AC XY:

AN XY:

135222

show subpopulations

Gnomad AFR exome

AF:

0.000129

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000266

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000287

AC:

AN:

1461890

Hom.:

Cov.:

AF XY:

0.0000289

AC XY:

AN XY:

727246

show subpopulations

Gnomad4 AFR exome

AF:

0.0000896

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000333

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000855

AC:

AN:

152072

Hom.:

Cov.:

AF XY:

0.0000942

AC XY:

AN XY:

74274

show subpopulations

Gnomad4 AFR

AF:

0.000169

Gnomad4 AMR

AF:

0.000196

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.000478

Alfa

AF:

0.000116

Hom.:

Bravo

AF:

0.000102

ESP6500AA

AF:

0.000241

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000248

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Dec 06, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.164G>A (p.R55H) alteration is located in exon 1 (coding exon 1) of the TAS2R41 gene. This alteration results from a G to A substitution at nucleotide position 164, causing the arginine (R) at amino acid position 55 to be replaced by a histidine (H). 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

0.26

BayesDel_addAF

Uncertain

0.028

BayesDel_noAF

Uncertain

0.040

CADD

Benign

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.15

Eigen

Uncertain

0.53

Eigen_PC

Uncertain

0.40

FATHMM_MKL

Benign

0.72

M_CAP

Benign

0.017

MetaRNN

Benign

0.39

MetaSVM

Benign

-0.35

MutationAssessor

Pathogenic

3.4

PrimateAI

Benign

0.24

PROVEAN

Uncertain

-4.2

REVEL

Uncertain

0.32

Sift

Benign

0.041

Sift4G

Uncertain

0.0040

Polyphen

1.0

Vest4

0.24

MVP

0.77

MPC

0.20

ClinPred

0.67

GERP RS

5.8

Varity_R

0.30

gMVP

0.37

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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