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GeneBe

9-69174391-C-T

Variant summary

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

The NM_004817.4(TJP2):c.19C>T(p.Arg7Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000528 in 1,551,810 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 10/17 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 34)
Exomes 𝑓: 0.000055 ( 0 hom. )

Consequence

TJP2
NM_004817.4 missense

Scores

1
2
10

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 3.44
Variant links:
Genes affected
TJP2 (HGNC:11828): (tight junction protein 2) This gene encodes a zonula occluden that is a member of the membrane-associated guanylate kinase homolog family. The encoded protein functions as a component of the tight junction barrier in epithelial and endothelial cells and is necessary for proper assembly of tight junctions. Mutations in this gene have been identified in patients with hypercholanemia, and genomic duplication of a 270 kb region including this gene causes autosomal dominant deafness-51. Alternatively spliced transcripts encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Nov 2011]

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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=0.17173728).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TJP2NM_004817.4 linkuse as main transcriptc.19C>T p.Arg7Cys missense_variant 1/23 ENST00000377245.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TJP2ENST00000377245.9 linkuse as main transcriptc.19C>T p.Arg7Cys missense_variant 1/231 NM_004817.4 P2Q9UDY2-1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152172
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000321
AC:
5
AN:
155926
Hom.:
0
AF XY:
0.0000487
AC XY:
4
AN XY:
82202
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000403
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:
0.0000671
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000550
AC:
77
AN:
1399638
Hom.:
0
Cov.:
35
AF XY:
0.0000536
AC XY:
37
AN XY:
690402
show subpopulations
Gnomad4 AFR exome
AF:
0.0000315
Gnomad4 AMR exome
AF:
0.0000280
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:
0.0000686
Gnomad4 OTH exome
AF:
0.0000172
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152172
Hom.:
0
Cov.:
34
AF XY:
0.0000538
AC XY:
4
AN XY:
74332
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000735
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000773
Hom.:
0
Bravo
AF:
0.0000604

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Uncertain:2
Uncertain significance, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Jul 15, 2016- -
Uncertain significance, criteria provided, single submitterclinical testingGeneDxSep 28, 2021In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.89
BayesDel_addAF
Benign
-0.26
T
BayesDel_noAF
Benign
-0.42
Cadd
Uncertain
24
Dann
Uncertain
1.0
DEOGEN2
Benign
0.18
T;.;T;.;.
Eigen
Benign
0.017
Eigen_PC
Benign
0.038
FATHMM_MKL
Uncertain
0.84
D
M_CAP
Benign
0.063
D
MetaRNN
Benign
0.17
T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.0
N;N;N;.;.
MutationTaster
Benign
1.0
D;D;N;N;N
Polyphen
0.99
D;D;D;.;.
Vest4
0.42, 0.52
MutPred
0.38
Loss of MoRF binding (P = 9e-04);Loss of MoRF binding (P = 9e-04);Loss of MoRF binding (P = 9e-04);Loss of MoRF binding (P = 9e-04);Loss of MoRF binding (P = 9e-04);
MVP
0.55
ClinPred
0.37
T
GERP RS
4.2
RBP_binding_hub_radar
0.92
RBP_regulation_power_radar
2.7
Varity_R
0.12

Splicing

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: rs886044200; hg19: chr9-71789307; COSMIC: COSV55263547; API