4-1717254-A-G

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_001127266.2(TMEM129):ā€‹c.1015T>Cā€‹(p.Trp339Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 12/21 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 34)
Exomes š‘“: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

TMEM129
NM_001127266.2 missense

Scores

14
2
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.54
Variant links:
Genes affected
TMEM129 (HGNC:25137): (transmembrane protein 129, E3 ubiquitin ligase) Enables ubiquitin protein ligase activity. Involved in protein polyubiquitination; retrograde protein transport, ER to cytosol; and ubiquitin-dependent ERAD pathway. Located in endoplasmic reticulum. [provided by Alliance of Genome Resources, Apr 2022]
TACC3 (HGNC:11524): (transforming acidic coiled-coil containing protein 3) This gene encodes a member of the transforming acidic colied-coil protein family. The encoded protein is a motor spindle protein that may play a role in stabilization of the mitotic spindle. This protein may also play a role in growth a differentiation of certain cancer cells. [provided by RefSeq, Nov 2011]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.973

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TMEM129NM_001127266.2 linkuse as main transcriptc.1015T>C p.Trp339Arg missense_variant 4/4 ENST00000382936.8 NP_001120738.1 A0AVI4-1
TMEM129NM_138385.4 linkuse as main transcriptc.*156T>C 3_prime_UTR_variant 3/3 NP_612394.1 A0AVI4-2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TMEM129ENST00000382936.8 linkuse as main transcriptc.1015T>C p.Trp339Arg missense_variant 4/41 NM_001127266.2 ENSP00000372394.3 A0AVI4-1

Frequencies

GnomAD3 genomes
Cov.:
34
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1368794
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
670524
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
34

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 GeneticsJul 30, 2023The c.1015T>C (p.W339R) alteration is located in exon 4 (coding exon 4) of the TMEM129 gene. This alteration results from a T to C substitution at nucleotide position 1015, causing the tryptophan (W) at amino acid position 339 to be replaced by an arginine (R). 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
Pathogenic
0.96
BayesDel_addAF
Pathogenic
0.35
D
BayesDel_noAF
Pathogenic
0.27
CADD
Pathogenic
31
DANN
Uncertain
1.0
DEOGEN2
Benign
0.15
T;T
Eigen
Pathogenic
0.80
Eigen_PC
Pathogenic
0.72
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Benign
0.73
.;T
M_CAP
Pathogenic
0.40
D
MetaRNN
Pathogenic
0.97
D;D
MetaSVM
Uncertain
-0.088
T
MutationAssessor
Pathogenic
3.1
M;M
PrimateAI
Pathogenic
0.87
D
PROVEAN
Pathogenic
-13
D;D
REVEL
Pathogenic
0.78
Sift
Pathogenic
0.0
D;D
Sift4G
Pathogenic
0.0
D;D
Polyphen
1.0
D;D
Vest4
0.89
MutPred
0.91
Gain of disorder (P = 3e-04);Gain of disorder (P = 3e-04);
MVP
0.51
MPC
1.1
ClinPred
1.0
D
GERP RS
4.7
Varity_R
0.95
gMVP
0.84

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr4-1718981; API