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GeneBe

3-46500732-A-G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_031440.2(RTP3):c.532A>G(p.Arg178Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000793 in 1,614,044 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: 𝑓 0.000092 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000078 ( 0 hom. )

Consequence

RTP3
NM_031440.2 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.291
Variant links:
Genes affected
RTP3 (HGNC:15572): (receptor transporter protein 3) Predicted to enable olfactory receptor binding activity. Involved in detection of chemical stimulus involved in sensory perception of bitter taste and protein targeting to membrane. Located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.06752089).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RTP3NM_031440.2 linkuse as main transcriptc.532A>G p.Arg178Gly missense_variant 2/2 ENST00000296142.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RTP3ENST00000296142.4 linkuse as main transcriptc.532A>G p.Arg178Gly missense_variant 2/21 NM_031440.2 P1
RTP3ENST00000684260.1 linkuse as main transcriptc.532A>G p.Arg178Gly missense_variant 3/3 P1

Frequencies

GnomAD3 genomes
AF:
0.0000920
AC:
14
AN:
152210
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.000162
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000477
AC:
12
AN:
251362
Hom.:
0
AF XY:
0.0000368
AC XY:
5
AN XY:
135842
show subpopulations
Gnomad AFR exome
AF:
0.0000615
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:
0.0000967
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000780
AC:
114
AN:
1461834
Hom.:
0
Cov.:
32
AF XY:
0.0000921
AC XY:
67
AN XY:
727214
show subpopulations
Gnomad4 AFR exome
AF:
0.0000597
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:
0.0000953
Gnomad4 OTH exome
AF:
0.0000993
GnomAD4 genome
AF:
0.0000920
AC:
14
AN:
152210
Hom.:
0
Cov.:
33
AF XY:
0.0000807
AC XY:
6
AN XY:
74364
show subpopulations
Gnomad4 AFR
AF:
0.0000724
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000162
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000123
Hom.:
0
Bravo
AF:
0.0000907
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.0000412
AC:
5
EpiCase
AF:
0.000218
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 GeneticsDec 21, 2022The c.532A>G (p.R178G) alteration is located in exon 2 (coding exon 2) of the RTP3 gene. This alteration results from a A to G substitution at nucleotide position 532, causing the arginine (R) at amino acid position 178 to be replaced by a glycine (G). 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
0.074
BayesDel_addAF
Benign
-0.45
T
BayesDel_noAF
Benign
-0.68
Cadd
Benign
3.4
Dann
Benign
0.70
DEOGEN2
Benign
0.018
T
Eigen
Benign
-0.94
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.011
N
LIST_S2
Benign
0.46
T
M_CAP
Benign
0.0020
T
MetaRNN
Benign
0.068
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.7
L
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.21
T
PROVEAN
Benign
-1.3
N
REVEL
Benign
0.022
Sift
Benign
0.20
T
Sift4G
Benign
0.067
T
Polyphen
0.90
P
Vest4
0.11
MVP
0.095
MPC
0.40
ClinPred
0.18
T
GERP RS
-1.9
Varity_R
0.15
gMVP
0.33

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: rs200856249; hg19: chr3-46542222; API