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GeneBe

6-13305150-G-C

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_016495.6(TBC1D7):c.833C>G(p.Ala278Gly) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000917 in 1,614,102 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.00020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000080 ( 1 hom. )

Consequence

TBC1D7
NM_016495.6 missense

Scores

2
6
7

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 8.86
Variant links:
Genes affected
TBC1D7 (HGNC:21066): (TBC1 domain family member 7) This gene encodes a member of the TBC-domain containing protein family. The encoded protein functions as a subunit of the tuberous sclerosis TSC1-TSC2 complex which plays a role in the regulation of cellular growth and differentiation. Mutations in this gene have been associated with autosomal recessive megalencephaly. Alternative splicing results in multiple transcript variants. Naturally occurring readthrough transcription occurs between this locus and downstream LOC100130357. [provided by RefSeq, Jan 2016]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.015631765).
BP6
Variant 6-13305150-G-C is Benign according to our data. Variant chr6-13305150-G-C is described in ClinVar as [Benign]. Clinvar id is 2720833.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TBC1D7NM_016495.6 linkuse as main transcriptc.833C>G p.Ala278Gly missense_variant 8/8 ENST00000379300.8
TBC1D7-LOC100130357NR_134872.2 linkuse as main transcriptn.610-10252C>G intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TBC1D7ENST00000379300.8 linkuse as main transcriptc.833C>G p.Ala278Gly missense_variant 8/81 NM_016495.6 P1Q9P0N9-1

Frequencies

GnomAD3 genomes
AF:
0.000204
AC:
31
AN:
152208
Hom.:
0
Cov.:
33
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:
0.00559
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000430
AC:
108
AN:
251060
Hom.:
0
AF XY:
0.000405
AC XY:
55
AN XY:
135678
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00588
Gnomad SAS 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:
0.0000800
AC:
117
AN:
1461776
Hom.:
1
Cov.:
30
AF XY:
0.0000701
AC XY:
51
AN XY:
727198
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00267
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.000116
GnomAD4 genome
AF:
0.000204
AC:
31
AN:
152326
Hom.:
0
Cov.:
33
AF XY:
0.000282
AC XY:
21
AN XY:
74480
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00560
Gnomad4 SAS
AF:
0.000414
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000113
Hom.:
0
Bravo
AF:
0.000238
ExAC
AF:
0.000453
AC:
55
Asia WGS
AF:
0.00115
AC:
4
AN:
3478

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeApr 07, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.46
BayesDel_addAF
Benign
-0.20
T
BayesDel_noAF
Uncertain
-0.050
Cadd
Pathogenic
29
Dann
Uncertain
1.0
DEOGEN2
Benign
0.27
T;T;T;.;.
Eigen
Pathogenic
0.91
Eigen_PC
Pathogenic
0.91
FATHMM_MKL
Uncertain
0.96
D
M_CAP
Benign
0.024
T
MetaRNN
Benign
0.016
T;T;T;T;T
MetaSVM
Benign
-0.76
T
MutationAssessor
Benign
2.0
M;M;M;.;.
MutationTaster
Benign
1.0
D;D;D;D;D
PrimateAI
Uncertain
0.75
T
Sift4G
Uncertain
0.013
D;D;D;D;D
Polyphen
1.0
D;D;D;.;D
Vest4
0.82
MVP
0.58
MPC
0.36
ClinPred
0.15
T
GERP RS
5.9
Varity_R
0.80

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs150455776; hg19: chr6-13305382; API