2-39666075-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_152390.3(TMEM178A):​c.101C>T​(p.Thr34Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

TMEM178A
NM_152390.3 missense

Scores

6
10
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.03
Variant links:
Genes affected
TMEM178A (HGNC:28517): (transmembrane protein 178A) Predicted to be involved in negative regulation of osteoclast differentiation and regulation of cytosolic calcium ion concentration. Predicted to be integral component of membrane. Predicted to be active in endoplasmic reticulum membrane. [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 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.797

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TMEM178ANM_152390.3 linkuse as main transcriptc.101C>T p.Thr34Ile missense_variant 1/4 ENST00000281961.3 NP_689603.2 Q8NBL3-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TMEM178AENST00000281961.3 linkuse as main transcriptc.101C>T p.Thr34Ile missense_variant 1/41 NM_152390.3 ENSP00000281961.2 Q8NBL3-1
TMEM178AENST00000437068.5 linkuse as main transcriptn.367+727C>T intron_variant 4
TMEM178AENST00000482239.5 linkuse as main transcriptn.143+435C>T intron_variant 3

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD3 exomes
AF:
0.0000104
AC:
2
AN:
192104
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
107878
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000172
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
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1418360
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
704930
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.:
31
Bravo
AF:
0.00000756
ExAC
AF:
0.00000847
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 GeneticsAug 01, 2024The c.101C>T (p.T34I) alteration is located in exon 1 (coding exon 1) of the TMEM178A gene. This alteration results from a C to T substitution at nucleotide position 101, causing the threonine (T) at amino acid position 34 to be replaced by an isoleucine (I). 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
0.98
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
-0.070
CADD
Pathogenic
28
DANN
Uncertain
1.0
DEOGEN2
Benign
0.037
T;.
Eigen
Uncertain
0.41
Eigen_PC
Uncertain
0.32
FATHMM_MKL
Uncertain
0.77
D
LIST_S2
Benign
0.85
D;D
M_CAP
Pathogenic
0.94
D
MetaRNN
Pathogenic
0.80
D;D
MetaSVM
Uncertain
-0.21
T
MutationAssessor
Uncertain
2.5
M;M
PrimateAI
Pathogenic
0.93
D
PROVEAN
Uncertain
-2.4
N;.
REVEL
Uncertain
0.48
Sift
Pathogenic
0.0
D;.
Sift4G
Pathogenic
0.0
D;D
Polyphen
1.0
D;D
Vest4
0.70
MutPred
0.59
Loss of phosphorylation at T34 (P = 0.0292);Loss of phosphorylation at T34 (P = 0.0292);
MVP
0.14
MPC
1.4
ClinPred
0.78
D
GERP RS
3.2
Varity_R
0.70
gMVP
0.73

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: rs752108827; hg19: chr2-39893215; API