Variant 12-125350150-C-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_001366854.1(TMEM132B):c.766C>A(p.Gln256Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000124 in 1,614,228 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000085 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

TMEM132B
NM_001366854.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.837

Variant links:

Genes affected

TMEM132B (HGNC:29397): (transmembrane protein 132B) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

TMEM132B 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=0.050100118).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TMEM132B	NM_001366854.1 linkuse as main transcript	c.766C>A	p.Gln256Lys	missense_variant	2/9	ENST00000682704.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TMEM132B	ENST00000682704.1 linkuse as main transcript	c.766C>A	p.Gln256Lys	missense_variant	2/9		NM_001366854.1	P2
TMEM132B	ENST00000299308.7 linkuse as main transcript	c.751C>A	p.Gln251Lys	missense_variant	2/9	5		A2	Q14DG7-1
TMEM132B	ENST00000534945.2 linkuse as main transcript	n.699C>A		non_coding_transcript_exon_variant	1/4	5

Frequencies

GnomAD3 genomes

AF:

0.0000854

AC:

AN:

152226

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000265

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

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:

0.00

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.00000802

AC:

AN:

249490

Hom.:

AF XY:

0.00000739

AC XY:

AN XY:

135370

show subpopulations

Gnomad AFR exome

AF:

0.000129

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

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:

0.00000479

AC:

AN:

1461884

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

727246

show subpopulations

Gnomad4 AFR exome

AF:

0.000119

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:

8.99e-7

Gnomad4 OTH exome

AF:

0.0000331

GnomAD4 genome

AF:

0.0000853

AC:

AN:

152344

Hom.:

Cov.:

AF XY:

0.0000940

AC XY:

AN XY:

74488

show subpopulations

Gnomad4 AFR

AF:

0.000264

Gnomad4 AMR

AF:

0.0000653

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.000473

Alfa

AF:

0.0000986

Hom.:

Bravo

AF:

0.0000604

ExAC

AF:

0.00000827

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

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

Oct 24, 2023

The c.751C>A (p.Q251K) alteration is located in exon 2 (coding exon 2) of the TMEM132B gene. This alteration results from a C to A substitution at nucleotide position 751, causing the glutamine (Q) at amino acid position 251 to be replaced by a lysine (K). 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

0.068

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.70

Cadd

Benign

Dann

Benign

0.75

DEOGEN2

Benign

0.014

Eigen

Benign

-0.81

Eigen_PC

Benign

-0.77

FATHMM_MKL

Benign

0.097

LIST_S2

Benign

0.41

M_CAP

Benign

0.0028

MetaRNN

Benign

0.050

MetaSVM

Benign

-0.99

MutationAssessor

Benign

0.81

MutationTaster

Benign

1.0

PrimateAI

Benign

0.34

PROVEAN

Benign

-0.61

REVEL

Benign

0.096

Sift

Benign

0.37

Sift4G

Benign

0.40

Polyphen

0.0010

Vest4

0.080

MVP

0.055

MPC

0.31

ClinPred

0.016

GERP RS

3.4

Varity_R

0.079

gMVP

0.29

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