chr1-175079594-T-C

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_022093.2(TNN):ā€‹c.671T>Cā€‹(p.Met224Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000245 in 1,594,312 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (ā˜…).

Frequency

Genomes: š‘“ 0.00011 ( 0 hom., cov: 33)
Exomes š‘“: 0.000016 ( 0 hom. )

Consequence

TNN
NM_022093.2 missense

Scores

19

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.905
Variant links:
Genes affected
TNN (HGNC:22942): (tenascin N) Predicted to enable integrin binding activity. Predicted to be involved in several processes, including generation of neurons; negative regulation of canonical Wnt signaling pathway involved in osteoblast differentiation; and negative regulation of osteoblast differentiation. Predicted to act upstream of or within axonogenesis. Predicted to be located in extracellular matrix and neuron projection. Predicted to be active in collagen-containing extracellular matrix and extracellular space. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.008671105).
BP6
Variant 1-175079594-T-C is Benign according to our data. Variant chr1-175079594-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 2472829.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TNNNM_022093.2 linkuse as main transcriptc.671T>C p.Met224Thr missense_variant 3/19 ENST00000239462.9 NP_071376.1
TNNXM_017002048.2 linkuse as main transcriptc.725T>C p.Met242Thr missense_variant 3/19 XP_016857537.1
TNNXM_017002049.2 linkuse as main transcriptc.725T>C p.Met242Thr missense_variant 3/18 XP_016857538.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TNNENST00000239462.9 linkuse as main transcriptc.671T>C p.Met224Thr missense_variant 3/192 NM_022093.2 ENSP00000239462 P1
TNNENST00000621086.1 linkuse as main transcriptc.671T>C p.Met224Thr missense_variant 2/165 ENSP00000480895

Frequencies

GnomAD3 genomes
AF:
0.000105
AC:
16
AN:
152144
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000386
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:
0.0000336
AC:
7
AN:
208250
Hom.:
0
AF XY:
0.0000175
AC XY:
2
AN XY:
114306
show subpopulations
Gnomad AFR exome
AF:
0.000577
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:
0.0000159
AC:
23
AN:
1442168
Hom.:
0
Cov.:
32
AF XY:
0.0000126
AC XY:
9
AN XY:
716124
show subpopulations
Gnomad4 AFR exome
AF:
0.000637
Gnomad4 AMR exome
AF:
0.00
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:
0.0000335
GnomAD4 genome
AF:
0.000105
AC:
16
AN:
152144
Hom.:
0
Cov.:
33
AF XY:
0.0000538
AC XY:
4
AN XY:
74312
show subpopulations
Gnomad4 AFR
AF:
0.000386
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
Alfa
AF:
0.000167
Hom.:
0
Bravo
AF:
0.000128
ESP6500AA
AF:
0.000682
AC:
3
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000331
AC:
4

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingAmbry GeneticsJan 10, 2023This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.044
BayesDel_addAF
Benign
-0.68
T
BayesDel_noAF
Benign
-0.86
CADD
Benign
0.049
DANN
Benign
0.18
DEOGEN2
Benign
0.00030
T;.;.
Eigen
Benign
-1.7
Eigen_PC
Benign
-1.6
FATHMM_MKL
Benign
0.0061
N
LIST_S2
Benign
0.56
T;T;T
M_CAP
Benign
0.0026
T
MetaRNN
Benign
0.0087
T;T;T
MetaSVM
Benign
-0.92
T
MutationAssessor
Benign
-2.3
N;.;.
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.37
T
PROVEAN
Benign
4.0
N;.;.
REVEL
Benign
0.019
Sift
Benign
1.0
T;.;.
Sift4G
Benign
1.0
T;T;T
Polyphen
0.0
B;.;.
Vest4
0.090
MVP
0.16
MPC
0.11
ClinPred
0.020
T
GERP RS
0.66
Varity_R
0.042
gMVP
0.32

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: rs375734720; hg19: chr1-175048730; API