7-144004066-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001005281.3(OR6B1):​c.70C>T​(p.Arg24Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0001 in 1,613,894 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 (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R24Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00010 ( 0 hom. )

Consequence

OR6B1
NM_001005281.3 missense

Scores

2
3
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.34
Variant links:
Genes affected
OR6B1 (HGNC:8354): (olfactory receptor family 6 subfamily B 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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.14033344).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
OR6B1NM_001005281.3 linkuse as main transcriptc.70C>T p.Arg24Trp missense_variant 2/2 ENST00000641698.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
OR6B1ENST00000641698.1 linkuse as main transcriptc.70C>T p.Arg24Trp missense_variant 2/2 NM_001005281.3 P1
OR6B1ENST00000408922.3 linkuse as main transcriptc.70C>T p.Arg24Trp missense_variant 1/1 P1

Frequencies

GnomAD3 genomes
AF:
0.0000921
AC:
14
AN:
152058
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000966
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.000955
GnomAD3 exomes
AF:
0.0000962
AC:
24
AN:
249388
Hom.:
0
AF XY:
0.000103
AC XY:
14
AN XY:
135292
show subpopulations
Gnomad AFR exome
AF:
0.000129
Gnomad AMR exome
AF:
0.0000580
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000167
Gnomad SAS exome
AF:
0.0000981
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000106
Gnomad OTH exome
AF:
0.000330
GnomAD4 exome
AF:
0.000101
AC:
148
AN:
1461718
Hom.:
0
Cov.:
32
AF XY:
0.000116
AC XY:
84
AN XY:
727156
show subpopulations
Gnomad4 AFR exome
AF:
0.000269
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000971
Gnomad4 OTH exome
AF:
0.000132
GnomAD4 genome
AF:
0.0000920
AC:
14
AN:
152176
Hom.:
0
Cov.:
32
AF XY:
0.000108
AC XY:
8
AN XY:
74388
show subpopulations
Gnomad4 AFR
AF:
0.0000963
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000415
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.000945
Alfa
AF:
0.000114
Hom.:
0
Bravo
AF:
0.0000680
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00
AC:
0
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000120
AC:
1
ExAC
AF:
0.000107
AC:
13
EpiCase
AF:
0.000164
EpiControl
AF:
0.000178

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 GeneticsApr 04, 2024The c.70C>T (p.R24W) alteration is located in exon 1 (coding exon 1) of the OR6B1 gene. This alteration results from a C to T substitution at nucleotide position 70, causing the arginine (R) at amino acid position 24 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
0.17
BayesDel_addAF
Benign
-0.30
T
BayesDel_noAF
Benign
-0.40
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.059
T;T
Eigen
Benign
-0.12
Eigen_PC
Benign
-0.21
FATHMM_MKL
Benign
0.23
N
M_CAP
Benign
0.017
T
MetaRNN
Benign
0.14
T;T
MetaSVM
Benign
-0.83
T
MutationAssessor
Uncertain
2.3
M;M
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.28
T
PROVEAN
Uncertain
-3.5
.;D
REVEL
Benign
0.11
Sift
Pathogenic
0.0
.;D
Sift4G
Pathogenic
0.0010
.;D
Polyphen
0.91
P;P
Vest4
0.50
MVP
0.67
MPC
0.26
ClinPred
0.27
T
GERP RS
4.5
Varity_R
0.34
gMVP
0.52

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.13
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: rs371188814; hg19: chr7-143701159; COSMIC: COSV68769944; API