chr3-100283793-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_001199198.3(TBC1D23):ā€‹c.458T>Cā€‹(p.Met153Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000435 in 1,608,158 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 32)
Exomes š‘“: 0.0000041 ( 0 hom. )

Consequence

TBC1D23
NM_001199198.3 missense

Scores

4
8
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.43
Variant links:
Genes affected
TBC1D23 (HGNC:25622): (TBC1 domain family member 23) Involved in brain development; retrograde transport, endosome to Golgi; and vesicle tethering to Golgi. Located in cytoplasmic vesicle and trans-Golgi network. Colocalizes with WASH complex. Implicated in pontocerebellar hypoplasia. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.757

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TBC1D23NM_001199198.3 linkuse as main transcriptc.458T>C p.Met153Thr missense_variant 4/19 ENST00000394144.9
TBC1D23NM_018309.5 linkuse as main transcriptc.458T>C p.Met153Thr missense_variant 4/18

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TBC1D23ENST00000394144.9 linkuse as main transcriptc.458T>C p.Met153Thr missense_variant 4/191 NM_001199198.3 P3Q9NUY8-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152242
Hom.:
0
Cov.:
32
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:
0.00316
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000797
AC:
2
AN:
250996
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135658
show subpopulations
Gnomad AFR exome
AF:
0.00
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:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000412
AC:
6
AN:
1455798
Hom.:
0
Cov.:
28
AF XY:
0.00000276
AC XY:
2
AN XY:
724648
show subpopulations
Gnomad4 AFR exome
AF:
0.00
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:
0.00000452
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000656
AC:
1
AN:
152360
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74502
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:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Pontocerebellar hypoplasia, type 11 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCenter for Comprehensive Genetic Services, Shahid Beheshti University of Medical SciencesMay 27, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.34
BayesDel_addAF
Pathogenic
0.18
D
BayesDel_noAF
Uncertain
0.040
CADD
Uncertain
24
DANN
Uncertain
0.99
DEOGEN2
Benign
0.039
.;.;T;T
Eigen
Uncertain
0.58
Eigen_PC
Uncertain
0.63
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.91
D;D;D;D
M_CAP
Benign
0.028
D
MetaRNN
Pathogenic
0.76
D;D;D;D
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
2.0
.;M;M;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.86
D
PROVEAN
Uncertain
-2.5
D;N;N;D
REVEL
Uncertain
0.48
Sift
Benign
0.24
T;T;T;D
Sift4G
Uncertain
0.0050
D;T;T;D
Polyphen
0.97, 0.98
.;D;D;.
Vest4
0.94, 0.95
MutPred
0.61
.;Loss of stability (P = 0.0796);Loss of stability (P = 0.0796);.;
MVP
0.51
MPC
0.32
ClinPred
0.66
D
GERP RS
5.9
Varity_R
0.35
gMVP
0.74

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: rs771702632; hg19: chr3-100002637; API