chr12-55130232-T-C

Variant summary

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

The NM_001005243.2(OR9K2):ā€‹c.398T>Cā€‹(p.Leu133Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000496 in 1,614,024 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 (ā˜…).

Frequency

Genomes: š‘“ 0.000026 ( 0 hom., cov: 32)
Exomes š‘“: 0.0000027 ( 0 hom. )

Consequence

OR9K2
NM_001005243.2 missense

Scores

8
6
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.88
Variant links:
Genes affected
OR9K2 (HGNC:15339): (olfactory receptor family 9 subfamily K 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 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, 0.851

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
OR9K2NM_001005243.2 linkuse as main transcriptc.398T>C p.Leu133Pro missense_variant 3/3 ENST00000641329.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
OR9K2ENST00000641329.1 linkuse as main transcriptc.398T>C p.Leu133Pro missense_variant 3/3 NM_001005243.2 P1
OR9K2ENST00000641374.1 linkuse as main transcriptc.398T>C p.Leu133Pro missense_variant 1/1 P1
OR9K2ENST00000641353.1 linkuse as main transcriptn.196-2194T>C intron_variant, non_coding_transcript_variant
OR9K2ENST00000641982.1 linkuse as main transcriptn.183+335T>C intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152184
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000197
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:
0.00
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000120
AC:
3
AN:
250734
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135498
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.0000289
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:
0.00
Gnomad OTH exome
AF:
0.000164
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461840
Hom.:
0
Cov.:
35
AF XY:
0.00000138
AC XY:
1
AN XY:
727224
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000671
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:
0.00
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152184
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74342
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000197
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.000478
Alfa
AF:
0.0000282
Hom.:
0
Bravo
AF:
0.0000302
ExAC
AF:
0.0000247
AC:
3

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 19, 2024The c.464T>C (p.L155P) alteration is located in exon 1 (coding exon 1) of the OR9K2 gene. This alteration results from a T to C substitution at nucleotide position 464, causing the leucine (L) at amino acid position 155 to be replaced by a proline (P). 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
Uncertain
0.39
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
0.12
CADD
Pathogenic
27
DANN
Uncertain
1.0
DEOGEN2
Benign
0.13
.;.;T
Eigen
Pathogenic
0.87
Eigen_PC
Pathogenic
0.76
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.97
.;D;D
M_CAP
Benign
0.020
T
MetaRNN
Pathogenic
0.85
D;D;D
MetaSVM
Benign
-1.1
T
MutationAssessor
Pathogenic
4.5
.;.;H
MutationTaster
Benign
1.0
D
PrimateAI
Benign
0.32
T
PROVEAN
Pathogenic
-6.8
.;.;D
REVEL
Uncertain
0.53
Sift
Pathogenic
0.0
.;.;D
Sift4G
Pathogenic
0.0
.;.;D
Polyphen
1.0
.;.;D
Vest4
0.94
MutPred
0.66
.;.;Gain of catalytic residue at Q160 (P = 0);
MVP
0.54
MPC
0.050
ClinPred
1.0
D
GERP RS
4.9
Varity_R
0.95
gMVP
0.65

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: rs759484009; hg19: chr12-55524016; API