rs201977617

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6_Very_StrongBS2_Supporting

The NM_004817.4(TJP2):​c.644G>A​(p.Arg215His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000576 in 1,599,618 control chromosomes in the GnomAD database, including 9 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R215C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0030 ( 3 hom., cov: 33)
Exomes 𝑓: 0.00032 ( 6 hom. )

Consequence

TJP2
NM_004817.4 missense

Scores

1
4
13

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 3.36

Publications

4 publications found
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]
TJP2 Gene-Disease associations (from GenCC):
  • cholestasis, progressive familial intrahepatic, 4
    Inheritance: AR Classification: STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • autosomal dominant nonsyndromic hearing loss
    Inheritance: AD Classification: SUPPORTIVE, LIMITED Submitted by: Ambry Genetics, Orphanet
  • familial hypercholanemia
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • nonsyndromic genetic hearing loss
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen
  • hypercholanemia, familial 1
    Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -13 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.005293697).
BP6
Variant 9-69221188-G-A is Benign according to our data. Variant chr9-69221188-G-A is described in ClinVar as Benign. ClinVar VariationId is 178542.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High Homozygotes in GnomAd4 at 3 AD,Unknown,AR geneVariant has number of homozygotes lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TJP2NM_004817.4 linkc.644G>A p.Arg215His missense_variant Exon 5 of 23 ENST00000377245.9 NP_004808.2 Q9UDY2-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TJP2ENST00000377245.9 linkc.644G>A p.Arg215His missense_variant Exon 5 of 23 1 NM_004817.4 ENSP00000366453.4 Q9UDY2-1
ENSG00000285130ENST00000642889.1 linkc.1031G>A p.Arg344His missense_variant Exon 7 of 25 ENSP00000493780.1 A0A2R8YDH4

Frequencies

GnomAD3 genomes
AF:
0.00301
AC:
458
AN:
152146
Hom.:
3
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0107
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000523
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:
0.00191
GnomAD2 exomes
AF:
0.000811
AC:
176
AN:
217006
AF XY:
0.000614
show subpopulations
Gnomad AFR exome
AF:
0.0128
Gnomad AMR exome
AF:
0.000429
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000185
GnomAD4 exome
AF:
0.000321
AC:
464
AN:
1447356
Hom.:
6
Cov.:
33
AF XY:
0.000302
AC XY:
217
AN XY:
719098
show subpopulations
African (AFR)
AF:
0.0116
AC:
385
AN:
33178
American (AMR)
AF:
0.000552
AC:
24
AN:
43468
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25836
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39052
South Asian (SAS)
AF:
0.00
AC:
0
AN:
84550
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
50670
Middle Eastern (MID)
AF:
0.000522
AC:
3
AN:
5746
European-Non Finnish (NFE)
AF:
0.00000362
AC:
4
AN:
1105118
Other (OTH)
AF:
0.000804
AC:
48
AN:
59738
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.508
Heterozygous variant carriers
0
30
60
89
119
149
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20
40
60
80
100
<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
AF:
0.00300
AC:
457
AN:
152262
Hom.:
3
Cov.:
33
AF XY:
0.00265
AC XY:
197
AN XY:
74448
show subpopulations
African (AFR)
AF:
0.0107
AC:
445
AN:
41550
American (AMR)
AF:
0.000457
AC:
7
AN:
15302
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5176
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68000
Other (OTH)
AF:
0.00189
AC:
4
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.511
Heterozygous variant carriers
0
22
44
65
87
109
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00108
Hom.:
0
Bravo
AF:
0.00370
ESP6500AA
AF:
0.00815
AC:
35
ESP6500EA
AF:
0.000119
AC:
1
ExAC
AF:
0.00105
AC:
124

ClinVar

Significance: Benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Feb 25, 2020
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Jan 17, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Benign:2
Apr 30, 2012
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Arg192His in Exon 06 of TJP2: This variant is not expected to have clinical sign ificance because it has been identified in 0.8% (28/3624) of African American ch romosomes from a broad population by the NHLBI Exome Sequencing Project (http:// evs.gs.washington.edu/EVS). -

Mar 18, 2016
Eurofins Ntd Llc (ga)
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.097
BayesDel_addAF
Benign
-0.46
T
BayesDel_noAF
Benign
-0.42
CADD
Benign
19
DANN
Uncertain
1.0
DEOGEN2
Benign
0.17
.;.;.;.;T;.;T;.;.;.;.;.;.;.
Eigen
Benign
-0.26
Eigen_PC
Benign
-0.19
FATHMM_MKL
Benign
0.55
D
LIST_S2
Uncertain
0.96
D;D;D;D;.;D;D;D;D;D;D;D;D;D
MetaRNN
Benign
0.0053
T;T;T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Uncertain
2.1
.;.;.;.;M;M;M;.;.;.;.;.;.;.
PhyloP100
3.4
PrimateAI
Pathogenic
0.83
D
PROVEAN
Benign
-0.88
.;N;.;.;.;N;N;.;.;.;N;.;N;.
REVEL
Benign
0.075
Sift
Benign
0.25
.;T;.;.;.;T;T;.;.;.;T;.;T;.
Sift4G
Uncertain
0.025
.;D;.;.;.;D;T;.;.;.;T;.;D;.
Polyphen
0.028, 0.017
.;.;.;.;B;B;B;.;.;.;.;.;.;.
Vest4
0.34, 0.42, 0.33, 0.40, 0.34
MVP
0.70
MPC
0.25
ClinPred
0.0066
T
GERP RS
4.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.057
gMVP
0.60
Mutation Taster
=100/0
polymorphism

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

Other links and lift over

dbSNP: rs201977617; hg19: chr9-71836104; COSMIC: COSV107203932; COSMIC: COSV107203932; API