Menu
GeneBe

1-1332060-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_152228.3(TAS1R3):c.529C>T(p.Arg177Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000237 in 1,605,206 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. R177Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

TAS1R3
NM_152228.3 missense

Scores

4
11
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.74
Variant links:
Genes affected
TAS1R3 (HGNC:15661): (taste 1 receptor member 3) The protein encoded by this gene is a G-protein coupled receptor involved in taste responses. The encoded protein can form a heterodimeric receptor with TAS1R1 to elicit the umami taste response, or it can bind with TAS1R2 to form a receptor for the sweet taste response. [provided by RefSeq, Nov 2015]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.841

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TAS1R3NM_152228.3 linkuse as main transcriptc.529C>T p.Arg177Trp missense_variant 3/6 ENST00000339381.6
TAS1R3XM_017002435.2 linkuse as main transcriptc.529C>T p.Arg177Trp missense_variant 3/5
TAS1R3XM_017002436.2 linkuse as main transcriptc.529C>T p.Arg177Trp missense_variant 3/5
TAS1R3XM_047431571.1 linkuse as main transcriptc.529C>T p.Arg177Trp missense_variant 3/6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TAS1R3ENST00000339381.6 linkuse as main transcriptc.529C>T p.Arg177Trp missense_variant 3/62 NM_152228.3 P1

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152108
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000121
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.000188
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000126
AC:
3
AN:
238204
Hom.:
0
AF XY:
0.0000153
AC XY:
2
AN XY:
130968
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000927
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000193
AC:
28
AN:
1452982
Hom.:
0
Cov.:
76
AF XY:
0.0000194
AC XY:
14
AN XY:
723172
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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:
0.0000234
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000657
AC:
10
AN:
152224
Hom.:
0
Cov.:
33
AF XY:
0.0000403
AC XY:
3
AN XY:
74436
show subpopulations
Gnomad4 AFR
AF:
0.000120
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.000188
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000264
ExAC
AF:
0.0000248
AC:
3
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

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 submitterclinical testingAmbry GeneticsMar 01, 2023The c.529C>T (p.R177W) alteration is located in exon 3 (coding exon 3) of the TAS1R3 gene. This alteration results from a C to T substitution at nucleotide position 529, causing the arginine (R) at amino acid position 177 to be replaced by a tryptophan (W). 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
0.29
BayesDel_addAF
Uncertain
0.043
T
BayesDel_noAF
Uncertain
0.070
Cadd
Pathogenic
28
Dann
Pathogenic
1.0
DEOGEN2
Uncertain
0.72
D
Eigen
Uncertain
0.66
Eigen_PC
Uncertain
0.57
FATHMM_MKL
Benign
0.61
D
LIST_S2
Uncertain
0.91
D
M_CAP
Pathogenic
0.42
D
MetaRNN
Pathogenic
0.84
D
MetaSVM
Uncertain
-0.042
T
MutationAssessor
Uncertain
2.6
M
MutationTaster
Benign
0.84
D
PrimateAI
Benign
0.44
T
PROVEAN
Pathogenic
-5.1
D
REVEL
Uncertain
0.63
Sift
Uncertain
0.0040
D
Sift4G
Uncertain
0.0080
D
Polyphen
1.0
D
Vest4
0.57
MVP
0.86
ClinPred
0.96
D
GERP RS
4.6
Varity_R
0.36
gMVP
0.79

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.

Other links and lift over

dbSNP: rs542634007; hg19: chr1-1267440; API