8-132031903-C-T

Variant summary

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

The NM_001080399.3(OC90):​c.1009G>A​(p.Glu337Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000137 in 1,461,592 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

OC90
NM_001080399.3 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.765
Variant links:
Genes affected
OC90 (HGNC:8100): (otoconin 90) Predicted to enable calcium ion binding activity and structural molecule activity. Predicted to be involved in otolith mineralization. Predicted to be located in extracellular region. Predicted to be active in extracellular matrix. [provided by Alliance of Genome Resources, Apr 2022]

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=0.12256402).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
OC90NM_001080399.3 linkuse as main transcriptc.1009G>A p.Glu337Lys missense_variant 12/14 ENST00000254627.4 NP_001073868.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
OC90ENST00000254627.4 linkuse as main transcriptc.1009G>A p.Glu337Lys missense_variant 12/142 NM_001080399.3 ENSP00000254627 P1Q02509-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000281
AC:
7
AN:
249018
Hom.:
0
AF XY:
0.0000148
AC XY:
2
AN XY:
135082
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000279
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000177
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000137
AC:
20
AN:
1461592
Hom.:
0
Cov.:
31
AF XY:
0.0000124
AC XY:
9
AN XY:
727062
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000227
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000809
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.0000113
ExAC
AF:
0.0000248
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 GeneticsSep 26, 2023The c.1009G>A (p.E337K) alteration is located in exon 12 (coding exon 11) of the OC90 gene. This alteration results from a G to A substitution at nucleotide position 1009, causing the glutamic acid (E) at amino acid position 337 to be replaced by a lysine (K). 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
0.085
BayesDel_addAF
Benign
-0.44
T
BayesDel_noAF
Benign
-0.57
CADD
Benign
20
DANN
Uncertain
1.0
DEOGEN2
Benign
0.074
T;.
Eigen
Benign
-0.53
Eigen_PC
Benign
-0.46
FATHMM_MKL
Benign
0.050
N
LIST_S2
Benign
0.63
T;T
M_CAP
Benign
0.0076
T
MetaRNN
Benign
0.12
T;T
MetaSVM
Benign
-1.1
T
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.30
T
PROVEAN
Benign
-1.8
N;N
REVEL
Benign
0.15
Sift
Benign
0.19
T;T
Sift4G
Benign
0.59
T;T
Vest4
0.28
MVP
0.33
MPC
0.0035
ClinPred
0.089
T
GERP RS
5.0
Varity_R
0.067
gMVP
0.54

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: rs764819731; hg19: chr8-133044150; API