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GeneBe

10-94403269-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_015188.2(TBC1D12):​c.656C>T​(p.Ser219Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000266 in 1,502,648 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 7.4e-7 ( 0 hom. )

Consequence

TBC1D12
NM_015188.2 missense

Scores

4
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.162
Variant links:
Genes affected
TBC1D12 (HGNC:29082): (TBC1 domain family member 12) Predicted to enable GTPase activator activity. Predicted to be involved in activation of GTPase activity; intracellular protein transport; and regulation of autophagosome assembly. Predicted to be active in autophagosome and recycling endosome. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.06442365).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TBC1D12NM_015188.2 linkuse as main transcriptc.656C>T p.Ser219Leu missense_variant 1/13 ENST00000225235.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TBC1D12ENST00000225235.5 linkuse as main transcriptc.656C>T p.Ser219Leu missense_variant 1/131 NM_015188.2 P1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152068
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000390
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
GnomAD3 exomes
AF:
0.0000107
AC:
1
AN:
93286
Hom.:
0
AF XY:
0.0000194
AC XY:
1
AN XY:
51560
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000215
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:
7.40e-7
AC:
1
AN:
1350580
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
664676
show subpopulations
Gnomad4 AFR exome
AF:
0.0000369
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152068
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74258
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000390
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756

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 GeneticsJan 09, 2024The c.656C>T (p.S219L) alteration is located in exon 1 (coding exon 1) of the TBC1D12 gene. This alteration results from a C to T substitution at nucleotide position 656, causing the serine (S) at amino acid position 219 to be replaced by a leucine (L). 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
0.083
BayesDel_addAF
Benign
-0.29
T
BayesDel_noAF
Benign
-0.65
CADD
Benign
19
DANN
Uncertain
0.99
DEOGEN2
Benign
0.0085
T
Eigen
Benign
-0.95
Eigen_PC
Benign
-0.99
FATHMM_MKL
Benign
0.0076
N
LIST_S2
Benign
0.58
T
M_CAP
Uncertain
0.13
D
MetaRNN
Benign
0.064
T
MetaSVM
Benign
-0.93
T
MutationAssessor
Benign
0.55
N
MutationTaster
Benign
1.0
N
PrimateAI
Uncertain
0.70
T
PROVEAN
Benign
-0.23
N
REVEL
Benign
0.021
Sift
Benign
0.063
T
Sift4G
Uncertain
0.045
D
Polyphen
0.31
B
Vest4
0.12
MutPred
0.12
Loss of glycosylation at S219 (P = 0.0035);
MVP
0.28
MPC
0.43
ClinPred
0.056
T
GERP RS
0.36
Varity_R
0.080
gMVP
0.065

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: rs1312228255; hg19: chr10-96163026; API