Genetic Variant OC90:p.Glu337Lys (chr8-132031903-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_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. 14/21 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

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.765

Publications

0 publications found

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]

OC90 links:

ENSG00000258417 (HGNC:):

ENSG00000258417 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.12256402).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001080399.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	OC90	NM_001080399.3	MANE Select	c.1009G>A	p.Glu337Lys	missense	Exon 12 of 14	NP_001073868.2	Q02509-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	OC90	ENST00000254627.4	TSL:2 MANE Select	c.1009G>A	p.Glu337Lys	missense	Exon 12 of 14	ENSP00000254627.3	Q02509-1
	ENSG00000258417	ENST00000262283.5	TSL:5	c.1645G>A	p.Glu549Lys	missense	Exon 16 of 18	ENSP00000262283.5	I6L893

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000281

AC:

AN:

249018

AF XY:

0.0000148

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000177

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000137

AC:

AN:

1461592

Hom.:

Cov.:

AF XY:

0.0000124

AC XY:

AN XY:

727062

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.000227

AC:

AN:

39694

South Asian (SAS)

AF:

0.00

AC:

AN:

86224

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53392

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00000809

AC:

AN:

1111814

Other (OTH)

AF:

0.0000166

AC:

AN:

60372

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000113

ExAC

AF:

0.0000248

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.085

BayesDel_addAF

Benign

-0.44

BayesDel_noAF

Benign

-0.57

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.074

Eigen

Benign

-0.53

Eigen_PC

Benign

-0.46

FATHMM_MKL

Benign

0.050

LIST_S2

Benign

0.63

M_CAP

Benign

0.0076

MetaRNN

Benign

0.12

MetaSVM

Benign

-1.1

PhyloP100

0.77

PrimateAI

Benign

0.30

PROVEAN

Benign

-1.8

REVEL

Benign

0.15

Sift

Benign

0.19

Sift4G

Benign

0.59

Vest4

0.28

MVP

0.33

MPC

0.0035

ClinPred

0.089

GERP RS

5.0

Varity_R

0.067

gMVP

0.54

Mutation Taster

=94/6

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over