11-121113618-C-T

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_005422.4(TECTA):​c.690C>T​(p.Ile230=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00057 in 1,613,980 control chromosomes in the GnomAD database, including 14 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0030 ( 8 hom., cov: 32)
Exomes 𝑓: 0.00031 ( 6 hom. )

Consequence

TECTA
NM_005422.4 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: -0.0450
Variant links:
Genes affected
TECTA (HGNC:11720): (tectorin alpha) The tectorial membrane is an extracellular matrix of the inner ear that contacts the stereocilia bundles of specialized sensory hair cells. Sound induces movement of these hair cells relative to the tectorial membrane, deflects the stereocilia, and leads to fluctuations in hair-cell membrane potential, transducing sound into electrical signals. Alpha-tectorin is one of the major noncollagenous components of the tectorial membrane. Mutations in the TECTA gene have been shown to be responsible for autosomal dominant nonsyndromic hearing impairment and a recessive form of sensorineural pre-lingual non-syndromic deafness. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.28).
BP6
Variant 11-121113618-C-T is Benign according to our data. Variant chr11-121113618-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 165343.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-0.045 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00302 (460/152220) while in subpopulation AFR AF= 0.0102 (424/41536). AF 95% confidence interval is 0.00941. There are 8 homozygotes in gnomad4. There are 202 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 8 AD,AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TECTANM_005422.4 linkuse as main transcriptc.690C>T p.Ile230= synonymous_variant 6/24 ENST00000392793.6
TBCEL-TECTANM_001378761.1 linkuse as main transcriptc.1647C>T p.Ile549= synonymous_variant 12/30

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TECTAENST00000392793.6 linkuse as main transcriptc.690C>T p.Ile230= synonymous_variant 6/245 NM_005422.4 P4
TECTAENST00000264037.2 linkuse as main transcriptc.690C>T p.Ile230= synonymous_variant 5/231 P4
TECTAENST00000642222.1 linkuse as main transcriptc.690C>T p.Ile230= synonymous_variant 6/24 A1

Frequencies

GnomAD3 genomes
AF:
0.00293
AC:
446
AN:
152102
Hom.:
8
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00990
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00190
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:
0.0000147
Gnomad OTH
AF:
0.00287
GnomAD3 exomes
AF:
0.000728
AC:
183
AN:
251322
Hom.:
1
AF XY:
0.000486
AC XY:
66
AN XY:
135882
show subpopulations
Gnomad AFR exome
AF:
0.0104
Gnomad AMR exome
AF:
0.000347
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:
0.000326
GnomAD4 exome
AF:
0.000315
AC:
460
AN:
1461760
Hom.:
6
Cov.:
32
AF XY:
0.000257
AC XY:
187
AN XY:
727160
show subpopulations
Gnomad4 AFR exome
AF:
0.0109
Gnomad4 AMR exome
AF:
0.000402
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000450
Gnomad4 OTH exome
AF:
0.00114
GnomAD4 genome
AF:
0.00302
AC:
460
AN:
152220
Hom.:
8
Cov.:
32
AF XY:
0.00271
AC XY:
202
AN XY:
74432
show subpopulations
Gnomad4 AFR
AF:
0.0102
Gnomad4 AMR
AF:
0.00190
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00284
Alfa
AF:
0.00152
Hom.:
0
Bravo
AF:
0.00328
Asia WGS
AF:
0.00346
AC:
12
AN:
3478

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 23, 2024- -
Likely benign, criteria provided, single submitterclinical testingGeneDxSep 30, 2020- -
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
not specified Benign:1
Benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineMay 07, 2012Ile230Ile in Exon 05 of TECTA: This variant is not expected to have clinical si gnificance because it does not alter an amino acid residue, is not located withi n the splice consensus sequence, and has been identified in 1.1% (40/3738) of Af rican American chromosomes from a broad population by the NHLBI Exome Sequencing Project (http://evs.gs.washington.edu/EVS; dbSNP rs34605023). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.28
CADD
Benign
8.6
DANN
Benign
0.80

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: rs34605023; hg19: chr11-120984327; COSMIC: COSV50703422; COSMIC: COSV50703422; API