rs750725489

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_025250.3(TTYH3):​c.241G>A​(p.Ala81Thr) variant causes a missense change. The variant allele was found at a frequency of 0.00000752 in 1,595,864 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000069 ( 0 hom. )

Consequence

TTYH3
NM_025250.3 missense

Scores

1
7
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.50

Publications

1 publications found
Variant links:
Genes affected
TTYH3 (HGNC:22222): (tweety family member 3) This gene encodes a member of the tweety family of proteins. Members of this family function as chloride anion channels. The encoded protein functions as a calcium(2+)-activated large conductance chloride(-) channel. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.11798626).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_025250.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TTYH3
NM_025250.3
MANE Select
c.241G>Ap.Ala81Thr
missense
Exon 2 of 14NP_079526.1Q9C0H2-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TTYH3
ENST00000258796.12
TSL:1 MANE Select
c.241G>Ap.Ala81Thr
missense
Exon 2 of 14ENSP00000258796.7Q9C0H2-1
TTYH3
ENST00000913086.1
c.550G>Ap.Ala184Thr
missense
Exon 3 of 15ENSP00000583145.1
TTYH3
ENST00000913085.1
c.241G>Ap.Ala81Thr
missense
Exon 2 of 15ENSP00000583144.1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152132
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000483
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
GnomAD2 exomes
AF:
0.0000273
AC:
6
AN:
220046
AF XY:
0.0000249
show subpopulations
Gnomad AFR exome
AF:
0.000285
Gnomad AMR exome
AF:
0.0000616
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:
0.00
GnomAD4 exome
AF:
0.00000693
AC:
10
AN:
1443732
Hom.:
0
Cov.:
45
AF XY:
0.00000975
AC XY:
7
AN XY:
717666
show subpopulations
African (AFR)
AF:
0.000150
AC:
5
AN:
33396
American (AMR)
AF:
0.0000691
AC:
3
AN:
43442
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25774
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39310
South Asian (SAS)
AF:
0.00
AC:
0
AN:
84396
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
43946
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5756
European-Non Finnish (NFE)
AF:
0.00000181
AC:
2
AN:
1107876
Other (OTH)
AF:
0.00
AC:
0
AN:
59836
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.455
Heterozygous variant carriers
0
1
2
4
5
6
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.0000131
AC:
2
AN:
152132
Hom.:
0
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74320
show subpopulations
African (AFR)
AF:
0.0000483
AC:
2
AN:
41432
American (AMR)
AF:
0.00
AC:
0
AN:
15282
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3466
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10614
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68006
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.675
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.00
Hom.:
0
Bravo
AF:
0.0000378
ExAC
AF:
0.0000333
AC:
4

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.17
T
BayesDel_noAF
Benign
-0.48
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.11
T
Eigen
Uncertain
0.45
Eigen_PC
Uncertain
0.42
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.96
D
M_CAP
Benign
0.044
D
MetaRNN
Benign
0.12
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.1
M
PhyloP100
5.5
PrimateAI
Uncertain
0.68
T
PROVEAN
Benign
-0.85
N
REVEL
Benign
0.24
Sift
Benign
0.50
T
Sift4G
Uncertain
0.013
D
Polyphen
1.0
D
Vest4
0.68
MutPred
0.47
Loss of sheet (P = 0.0817)
MVP
0.068
MPC
0.78
ClinPred
0.23
T
GERP RS
4.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.24
gMVP
0.45
Mutation Taster
=66/34
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: rs750725489; hg19: chr7-2686604; API