4-140624222-A-G

Variant summary

Our verdict is Benign. Variant got -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBS1BS2

The NM_015130.3(TBC1D9):​c.2975-3T>C variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00206 in 1,611,432 control chromosomes in the GnomAD database, including 40 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.010 ( 24 hom., cov: 33)
Exomes 𝑓: 0.0012 ( 16 hom. )

Consequence

TBC1D9
NM_015130.3 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.00007525
2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 3.11
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 Benign. Variant got -18 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.41).
BP6
Variant 4-140624222-A-G is Benign according to our data. Variant chr4-140624222-A-G is described in ClinVar as [Benign]. Clinvar id is 767977.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0101 (1535/152286) while in subpopulation AFR AF= 0.0345 (1434/41554). AF 95% confidence interval is 0.033. There are 24 homozygotes in gnomad4. There are 736 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 24 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TBC1D9NM_015130.3 linkuse as main transcriptc.2975-3T>C splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000442267.3 NP_055945.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TBC1D9ENST00000442267.3 linkuse as main transcriptc.2975-3T>C splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_015130.3 ENSP00000411197 P1

Frequencies

GnomAD3 genomes
AF:
0.0101
AC:
1532
AN:
152168
Hom.:
23
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0345
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00262
Gnomad ASJ
AF:
0.00692
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000309
Gnomad OTH
AF:
0.00717
GnomAD3 exomes
AF:
0.00282
AC:
687
AN:
243664
Hom.:
7
AF XY:
0.00201
AC XY:
265
AN XY:
132104
show subpopulations
Gnomad AFR exome
AF:
0.0325
Gnomad AMR exome
AF:
0.00141
Gnomad ASJ exome
AF:
0.00902
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000134
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000400
Gnomad OTH exome
AF:
0.00218
GnomAD4 exome
AF:
0.00123
AC:
1788
AN:
1459146
Hom.:
16
Cov.:
31
AF XY:
0.00113
AC XY:
817
AN XY:
725556
show subpopulations
Gnomad4 AFR exome
AF:
0.0348
Gnomad4 AMR exome
AF:
0.00194
Gnomad4 ASJ exome
AF:
0.00829
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000934
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000127
Gnomad4 OTH exome
AF:
0.00265
GnomAD4 genome
AF:
0.0101
AC:
1535
AN:
152286
Hom.:
24
Cov.:
33
AF XY:
0.00988
AC XY:
736
AN XY:
74484
show subpopulations
Gnomad4 AFR
AF:
0.0345
Gnomad4 AMR
AF:
0.00262
Gnomad4 ASJ
AF:
0.00692
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000309
Gnomad4 OTH
AF:
0.00710
Alfa
AF:
0.00587
Hom.:
5
Bravo
AF:
0.0115
Asia WGS
AF:
0.00144
AC:
5
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpApr 19, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.41
CADD
Benign
6.7
DANN
Benign
0.84
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000075
dbscSNV1_RF
Benign
0.0020
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: rs58390208; hg19: chr4-141545376; API