4-140622377-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The ENST00000442267.3(TBC1D9):​c.3619C>T​(p.Arg1207Trp) variant causes a missense change. The variant allele was found at a frequency of 0.00000479 in 1,460,614 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 (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1207Q) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

TBC1D9
ENST00000442267.3 missense

Scores

2
6
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.51
Variant links:
Genes affected
TBC1D9 (HGNC:21710): (TBC1 domain family member 9) Predicted to enable GTPase activator activity. Predicted to be involved in activation of GTPase activity and intracellular protein transport. [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 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.3377003).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TBC1D9NM_015130.3 linkuse as main transcriptc.3619C>T p.Arg1207Trp missense_variant 21/21 ENST00000442267.3 NP_055945.2 Q6ZT07

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TBC1D9ENST00000442267.3 linkuse as main transcriptc.3619C>T p.Arg1207Trp missense_variant 21/211 NM_015130.3 ENSP00000411197.2 Q6ZT07

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000404
AC:
1
AN:
247518
Hom.:
0
AF XY:
0.00000744
AC XY:
1
AN XY:
134358
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:
0.00000895
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000479
AC:
7
AN:
1460614
Hom.:
0
Cov.:
29
AF XY:
0.00000413
AC XY:
3
AN XY:
726378
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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:
0.00000450
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.0000386
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.00000826
AC:
1

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsSep 01, 2021The c.3619C>T (p.R1207W) alteration is located in exon 21 (coding exon 21) of the TBC1D9 gene. This alteration results from a C to T substitution at nucleotide position 3619, causing the arginine (R) at amino acid position 1207 to be replaced by a tryptophan (W). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.25
BayesDel_addAF
Benign
-0.074
T
BayesDel_noAF
Benign
-0.34
CADD
Pathogenic
27
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.098
T
Eigen
Uncertain
0.36
Eigen_PC
Uncertain
0.36
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Pathogenic
0.98
D
M_CAP
Benign
0.020
T
MetaRNN
Benign
0.34
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.4
L
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.75
T
PROVEAN
Benign
-1.4
N
REVEL
Benign
0.17
Sift
Uncertain
0.022
D
Sift4G
Uncertain
0.019
D
Polyphen
0.99
D
Vest4
0.38
MVP
0.068
MPC
1.1
ClinPred
0.71
D
GERP RS
3.0
Varity_R
0.11
gMVP
0.35

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: rs754331118; hg19: chr4-141543531; COSMIC: COSV71307494; API