chr9-115026630-G-T

Variant summary

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

The NM_002160.4(TNC):​c.6235C>A​(p.His2079Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,613,768 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: 𝑓 0.000013 ( 0 hom., cov: 31)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

TNC
NM_002160.4 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.97
Variant links:
Genes affected
TNC (HGNC:5318): (tenascin C) This gene encodes an extracellular matrix protein with a spatially and temporally restricted tissue distribution. This protein is homohexameric with disulfide-linked subunits, and contains multiple EGF-like and fibronectin type-III domains. It is implicated in guidance of migrating neurons as well as axons during development, synaptic plasticity, and neuronal regeneration. [provided by RefSeq, Jul 2011]
DELEC1 (HGNC:23658): (deleted in esophageal cancer 1) The function of this gene is not known. This gene is located in a region commonly deleted in esophageal squamous cell carcinomas. Gene expression is reduced or absent in these carcinomas and thus this is a candidate tumor suppressor gene for esophageal squamous cell carcinomas. [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=0.12097809).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TNCNM_002160.4 linkuse as main transcriptc.6235C>A p.His2079Asn missense_variant 26/28 ENST00000350763.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TNCENST00000350763.9 linkuse as main transcriptc.6235C>A p.His2079Asn missense_variant 26/281 NM_002160.4 P1P24821-1
DELEC1ENST00000649121.1 linkuse as main transcriptn.78+56969G>T intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151976
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000484
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.00
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251024
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135692
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
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:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461792
Hom.:
0
Cov.:
30
AF XY:
0.00000138
AC XY:
1
AN XY:
727206
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151976
Hom.:
0
Cov.:
31
AF XY:
0.0000135
AC XY:
1
AN XY:
74230
show subpopulations
Gnomad4 AFR
AF:
0.0000484
Gnomad4 AMR
AF:
0.00
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:
0.00
Bravo
AF:
0.0000113

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 GeneticsJan 29, 2024The c.6235C>A (p.H2079N) alteration is located in exon 26 (coding exon 25) of the TNC gene. This alteration results from a C to A substitution at nucleotide position 6235, causing the histidine (H) at amino acid position 2079 to be replaced by an asparagine (N). 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
0.063
BayesDel_addAF
Benign
-0.23
T
BayesDel_noAF
Benign
-0.39
CADD
Benign
17
DANN
Benign
0.96
DEOGEN2
Benign
0.091
.;T;.;T;.;.
Eigen
Benign
-0.64
Eigen_PC
Benign
-0.37
FATHMM_MKL
Benign
0.70
D
LIST_S2
Benign
0.68
T;T;T;T;T;.
M_CAP
Benign
0.015
T
MetaRNN
Benign
0.12
T;T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-0.31
.;N;.;.;.;.
MutationTaster
Benign
1.0
N;N;N;N;N;N;N;N;N
PrimateAI
Benign
0.32
T
PROVEAN
Pathogenic
-4.9
D;N;N;N;N;N
REVEL
Benign
0.097
Sift
Pathogenic
0.0
D;T;T;T;T;T
Sift4G
Benign
0.35
T;T;T;T;T;T
Polyphen
0.0, 0.0050
.;B;.;B;.;.
Vest4
0.23
MutPred
0.73
.;Loss of catalytic residue at R2077 (P = 0.0625);.;.;.;.;
MVP
0.58
MPC
0.17
ClinPred
0.47
T
GERP RS
4.7
Varity_R
0.38
gMVP
0.37

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: rs866729657; hg19: chr9-117788909; COSMIC: COSV60790854; COSMIC: COSV60790854; API