chr17-3291792-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_002550.3(OR3A1):​c.791G>A​(p.Arg264Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000155 in 1,613,698 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

OR3A1
NM_002550.3 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.180

Publications

2 publications found
Variant links:
Genes affected
OR3A1 (HGNC:8282): (olfactory receptor family 3 subfamily A member 1) Olfactory receptors interact with odorant molecules in the nose, to initiate a neuronal response that triggers the perception of a smell. The olfactory receptor proteins are members of a large family of G-protein-coupled receptors (GPCR) arising from single coding-exon genes. Olfactory receptors share a 7-transmembrane domain structure with many neurotransmitter and hormone receptors and are responsible for the recognition and G protein-mediated transduction of odorant signals. The olfactory receptor gene family is the largest in the genome. The nomenclature assigned to the olfactory receptor genes and proteins for this organism is independent of other organisms. [provided by RefSeq, Jul 2008]
OR3A2 (HGNC:8283): (olfactory receptor family 3 subfamily A member 2) Olfactory receptors interact with odorant molecules in the nose, to initiate a neuronal response that triggers the perception of a smell. The olfactory receptor proteins are members of a large family of G-protein-coupled receptors (GPCR) arising from single coding-exon genes. Olfactory receptors share a 7-transmembrane domain structure with many neurotransmitter and hormone receptors and are responsible for the recognition and G protein-mediated transduction of odorant signals. The olfactory receptor gene family is the largest in the genome. The nomenclature assigned to the olfactory receptor genes and proteins for this organism is independent of other organisms. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.11705524).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002550.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
OR3A1
NM_002550.3
MANE Select
c.791G>Ap.Arg264Gln
missense
Exon 2 of 2NP_002541.2A0A126GVP1
OR3A2
NM_002551.5
MANE Select
c.-278-7241G>A
intron
N/ANP_002542.4

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
OR3A1
ENST00000323404.2
TSL:6 MANE Select
c.791G>Ap.Arg264Gln
missense
Exon 2 of 2ENSP00000313803.1P47881
OR3A2
ENST00000573901.3
TSL:3 MANE Select
c.-278-7241G>A
intron
N/AENSP00000516654.1A0A286YFF0
OR3A2
ENST00000869173.1
c.-216-9218G>A
intron
N/AENSP00000539232.1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152142
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000415
Gnomad FIN
AF:
0.0000942
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.0000239
AC:
6
AN:
251422
AF XY:
0.0000442
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000144
AC:
21
AN:
1461440
Hom.:
0
Cov.:
30
AF XY:
0.0000206
AC XY:
15
AN XY:
726902
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33476
American (AMR)
AF:
0.00
AC:
0
AN:
44718
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39682
South Asian (SAS)
AF:
0.000128
AC:
11
AN:
86248
European-Finnish (FIN)
AF:
0.0000187
AC:
1
AN:
53420
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
0.00000630
AC:
7
AN:
1111620
Other (OTH)
AF:
0.0000331
AC:
2
AN:
60374
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.513
Heterozygous variant carriers
0
2
4
5
7
9
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152258
Hom.:
0
Cov.:
32
AF XY:
0.0000537
AC XY:
4
AN XY:
74452
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41556
American (AMR)
AF:
0.00
AC:
0
AN:
15284
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5176
South Asian (SAS)
AF:
0.000415
AC:
2
AN:
4818
European-Finnish (FIN)
AF:
0.0000942
AC:
1
AN:
10614
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68022
Other (OTH)
AF:
0.000473
AC:
1
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.450
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000564
Hom.:
0
Bravo
AF:
0.0000113
ExAC
AF:
0.0000330
AC:
4

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.091
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.55
CADD
Benign
18
DANN
Uncertain
1.0
DEOGEN2
Benign
0.019
T
Eigen
Benign
-0.35
Eigen_PC
Benign
-0.38
FATHMM_MKL
Benign
0.088
N
LIST_S2
Benign
0.82
T
M_CAP
Benign
0.0054
T
MetaRNN
Benign
0.12
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.80
N
PhyloP100
-0.18
PrimateAI
Benign
0.25
T
PROVEAN
Benign
-1.6
N
REVEL
Benign
0.074
Sift
Benign
0.11
T
Sift4G
Benign
0.25
T
Polyphen
0.80
P
Vest4
0.21
MutPred
0.66
Gain of ubiquitination at K269 (P = 0.0799)
MVP
0.46
MPC
0.048
ClinPred
0.12
T
GERP RS
2.8
Varity_R
0.17
gMVP
0.11
Mutation Taster
=100/0
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.040
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs540886927; hg19: chr17-3195086; COSMIC: COSV60163122; API