rs151076155

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_152468.5(TMC8):​c.1364G>A​(p.Arg455Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00228 in 1,613,946 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R455W) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0015 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0024 ( 5 hom. )

Consequence

TMC8
NM_152468.5 missense

Scores

2
16

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:3

Conservation

PhyloP100: 1.38

Publications

4 publications found
Variant links:
Genes affected
TMC8 (HGNC:20474): (transmembrane channel like 8) Epidermodysplasia verruciformis (EV) is an autosomal recessive dermatosis characterized by abnormal susceptibility to human papillomaviruses (HPVs) and a high rate of progression to squamous cell carcinoma on sun-exposed skin. EV is caused by mutations in either of two adjacent genes located on chromosome 17q25.3. Both of these genes encode integral membrane proteins that localize to the endoplasmic reticulum and are predicted to form transmembrane channels. This gene encodes a transmembrane channel-like protein with 8 predicted transmembrane domains and 3 leucine zipper motifs. [provided by RefSeq, Jul 2008]
TMC8 Gene-Disease associations (from GenCC):
  • epidermodysplasia verruciformis, susceptibility to, 2
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), PanelApp Australia, G2P
  • epidermodysplasia verruciformis
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.009988368).
BP6
Variant 17-78138019-G-A is Benign according to our data. Variant chr17-78138019-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 526232.
BS2
High Homozygotes in GnomAdExome4 at 5 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_152468.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TMC8
NM_152468.5
MANE Select
c.1364G>Ap.Arg455Gln
missense
Exon 12 of 16NP_689681.2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TMC8
ENST00000318430.10
TSL:1 MANE Select
c.1364G>Ap.Arg455Gln
missense
Exon 12 of 16ENSP00000325561.4Q8IU68-1
TMC8
ENST00000589691.1
TSL:1
c.695G>Ap.Arg232Gln
missense
Exon 11 of 15ENSP00000467482.1Q8IU68-2
TMC8
ENST00000972441.1
c.1409G>Ap.Arg470Gln
missense
Exon 12 of 16ENSP00000642500.1

Frequencies

GnomAD3 genomes
AF:
0.00152
AC:
232
AN:
152166
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000579
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000589
Gnomad ASJ
AF:
0.00115
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000565
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00272
Gnomad OTH
AF:
0.00191
GnomAD2 exomes
AF:
0.00126
AC:
315
AN:
250530
AF XY:
0.00133
show subpopulations
Gnomad AFR exome
AF:
0.000433
Gnomad AMR exome
AF:
0.000376
Gnomad ASJ exome
AF:
0.00249
Gnomad EAS exome
AF:
0.000163
Gnomad FIN exome
AF:
0.000417
Gnomad NFE exome
AF:
0.00223
Gnomad OTH exome
AF:
0.000980
GnomAD4 exome
AF:
0.00236
AC:
3446
AN:
1461662
Hom.:
5
Cov.:
33
AF XY:
0.00227
AC XY:
1648
AN XY:
727128
show subpopulations
African (AFR)
AF:
0.000448
AC:
15
AN:
33478
American (AMR)
AF:
0.000537
AC:
24
AN:
44718
Ashkenazi Jewish (ASJ)
AF:
0.00184
AC:
48
AN:
26132
East Asian (EAS)
AF:
0.0000504
AC:
2
AN:
39698
South Asian (SAS)
AF:
0.0000232
AC:
2
AN:
86250
European-Finnish (FIN)
AF:
0.000676
AC:
36
AN:
53236
Middle Eastern (MID)
AF:
0.000347
AC:
2
AN:
5764
European-Non Finnish (NFE)
AF:
0.00288
AC:
3205
AN:
1111998
Other (OTH)
AF:
0.00185
AC:
112
AN:
60388
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.472
Heterozygous variant carriers
0
219
438
657
876
1095
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
132
264
396
528
660
<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:
0.00152
AC:
232
AN:
152284
Hom.:
0
Cov.:
33
AF XY:
0.00144
AC XY:
107
AN XY:
74444
show subpopulations
African (AFR)
AF:
0.000578
AC:
24
AN:
41546
American (AMR)
AF:
0.000588
AC:
9
AN:
15310
Ashkenazi Jewish (ASJ)
AF:
0.00115
AC:
4
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5174
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.000565
AC:
6
AN:
10618
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00272
AC:
185
AN:
68018
Other (OTH)
AF:
0.00189
AC:
4
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.500
Heterozygous variant carriers
0
10
21
31
42
52
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
4
8
12
16
20
<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:
0.00184
Hom.:
2
Bravo
AF:
0.00142
TwinsUK
AF:
0.00216
AC:
8
ALSPAC
AF:
0.00337
AC:
13
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.00267
AC:
23
ExAC
AF:
0.00119
AC:
145
EpiCase
AF:
0.00202
EpiControl
AF:
0.00243

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
2
not provided (2)
-
-
1
Epidermodysplasia verruciformis (1)
-
1
-
Epidermodysplasia verruciformis, susceptibility to, 1 (1)
-
1
-
Epidermodysplasia verruciformis, susceptibility to, 2 (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.079
BayesDel_addAF
Benign
-0.47
T
BayesDel_noAF
Benign
-0.46
CADD
Benign
21
DANN
Uncertain
0.97
DEOGEN2
Benign
0.0077
T
Eigen
Benign
-0.68
Eigen_PC
Benign
-0.64
FATHMM_MKL
Benign
0.11
N
LIST_S2
Benign
0.75
T
M_CAP
Benign
0.023
T
MetaRNN
Benign
0.010
T
MetaSVM
Benign
-0.94
T
MutationAssessor
Uncertain
2.0
M
PhyloP100
1.4
PrimateAI
Benign
0.47
T
PROVEAN
Benign
-0.83
N
REVEL
Benign
0.060
Sift
Benign
0.28
T
Sift4G
Benign
0.31
T
Polyphen
0.039
B
Vest4
0.14
MVP
0.55
MPC
0.23
ClinPred
0.0049
T
GERP RS
2.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0
Varity_R
0.039
gMVP
0.16
Mutation Taster
=98/2
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs151076155; hg19: chr17-76134100; COSMIC: COSV59211471; COSMIC: COSV59211471; API
For research and educational, non-commercial use only. Not for clinical or diagnostic use. GeneBe does not provide medical advice. Data use for AI modeling is prohibited: if used, the cost is $0.001 per byte of downloaded uncompressed data.