Genetic Variant TMEM176B:p.Gln188Pro (chr7-150793125-T-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001101312.2(TMEM176B):c.563A>C(p.Gln188Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000041 in 1,461,872 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

TMEM176B
NM_001101312.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -2.67

Publications

0 publications found

Variant links:

Genes affected

TMEM176B (HGNC:29596): (transmembrane protein 176B) Predicted to be involved in negative regulation of dendritic cell differentiation. Predicted to be located in nuclear membrane. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

TMEM176B links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.10920286).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TMEM176B	NM_001101312.2 link	c.563A>C	p.Gln188Pro	missense_variant	Exon 5 of 7	ENST00000326442.10	NP_001094782.1	Q3YBM2-1A0A090N7V7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TMEM176B	ENST00000326442.10 link	c.563A>C	p.Gln188Pro	missense_variant	Exon 5 of 7	1	NM_001101312.2	ENSP00000318409.5		Q3YBM2-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251024

AF XY:

0.00000737

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000882

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000410

AC:

AN:

1461872

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

727238

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53412

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000540

AC:

AN:

1112002

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.433

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 30, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.563A>C (p.Q188P) alteration is located in exon 5 (coding exon 4) of the TMEM176B gene. This alteration results from a A to C substitution at nucleotide position 563, causing the glutamine (Q) at amino acid position 188 to be replaced by a proline (P). 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

0.22

BayesDel_addAF

Benign

-0.24

BayesDel_noAF

Benign

-0.59

CADD

Benign

0.21

(source)

DANN

Benign

0.87

DEOGEN2

Benign

0.074

T;T;T;T;T;.

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.5

FATHMM_MKL

Benign

0.0053

LIST_S2

Benign

0.41

.;.;.;T;.;T

M_CAP

Benign

0.0026

MetaRNN

Benign

0.11

T;T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.69

N;N;N;N;N;.

PhyloP100

-2.7

PrimateAI

Benign

0.23

PROVEAN

Benign

-1.6

N;N;N;N;N;N

REVEL

Benign

0.095

Sift

Benign

0.075

T;T;T;T;T;T

Sift4G

Benign

0.18

T;T;T;T;T;T

Polyphen

0.68

P;P;P;P;P;.

Vest4

0.24

MutPred

0.48

Gain of loop (P = 3e-04);Gain of loop (P = 3e-04);Gain of loop (P = 3e-04);Gain of loop (P = 3e-04);Gain of loop (P = 3e-04);.;

MVP

0.099

MPC

0.10

ClinPred

0.13

GERP RS

-7.4

Varity_R

0.24

gMVP

0.57

Mutation Taster

=94/6

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

7-150793125-T-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over