Variant chr2-39717205-G-A details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_152390.3(TMEM178A):c.848G>A(p.Arg283Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000153 in 1,613,096 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 30)

Exomes 𝑓: 0.00016 ( 0 hom. )

Consequence

TMEM178A
NM_152390.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.27

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]

TMEM178A links:

Genome browser will be placed here

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=0.065763146).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TMEM178A	NM_152390.3 linkuse as main transcript	c.848G>A	p.Arg283Gln	missense_variant	4/4	ENST00000281961.3	NP_689603.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
TMEM178A	ENST00000281961.3 linkuse as main transcript	c.848G>A	p.Arg283Gln	missense_variant	4/4	1	NM_152390.3	ENSP00000281961	P1	Q8NBL3-1
TMEM178A	ENST00000413011.5 linkuse as main transcript	n.567G>A		non_coding_transcript_exon_variant	4/4	5
TMEM178A	ENST00000482239.5 linkuse as main transcript	n.591G>A		non_coding_transcript_exon_variant	4/4	3

Frequencies

GnomAD3 genomes

AF:

0.000112

AC:

AN:

151216

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000244

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000236

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000915

AC:

AN:

251380

Hom.:

AF XY:

0.000110

AC XY:

AN XY:

135858

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000653

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000185

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000157

AC:

229

AN:

1461880

Hom.:

Cov.:

AF XY:

0.000177

AC XY:

129

AN XY:

727242

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.0000348

Gnomad4 FIN exome

AF:

0.0000187

Gnomad4 NFE exome

AF:

0.000196

Gnomad4 OTH exome

AF:

0.0000993

GnomAD4 genome

AF:

0.000112

AC:

AN:

151216

Hom.:

Cov.:

AF XY:

0.0000949

AC XY:

AN XY:

73758

show subpopulations

Gnomad4 AFR

AF:

0.0000244

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000236

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000231

Hom.:

Bravo

AF:

0.000147

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.0000741

AC:

EpiCase

AF:

0.000273

EpiControl

AF:

0.000119

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 submitter

clinical testing

Ambry Genetics

Apr 17, 2023

The c.848G>A (p.R283Q) alteration is located in exon 4 (coding exon 4) of the TMEM178A gene. This alteration results from a G to A substitution at nucleotide position 848, causing the arginine (R) at amino acid position 283 to be replaced by a glutamine (Q). 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

0.11

BayesDel_addAF

Benign

-0.45

BayesDel_noAF

Benign

-0.55

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.029

Eigen

Benign

-0.21

Eigen_PC

Benign

-0.0019

FATHMM_MKL

Uncertain

0.79

LIST_S2

Benign

0.77

M_CAP

Benign

0.0063

MetaRNN

Benign

0.066

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.0

MutationTaster

Benign

0.99

PrimateAI

Benign

0.41

PROVEAN

Benign

-1.1

REVEL

Benign

0.032

Sift

Uncertain

0.015

Sift4G

Benign

0.20

Polyphen

0.14

Vest4

0.12

MVP

0.068

MPC

0.93

ClinPred

0.12

GERP RS

5.0

Varity_R

0.17

gMVP

0.71

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over