Genetic Variant NM_001101312.2:c.209C>G (chr7-150794067-G-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_001101312.2(TMEM176B):c.209C>G(p.Thr70Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000031 in 1,612,680 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000032 ( 0 hom. )

Consequence

TMEM176B
NM_001101312.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.129

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:

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ACMG classification

Classification was made for transcript

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

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TMEM176B	NM_001101312.2 link	c.209C>G	p.Thr70Ser	missense_variant	Exon 3 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.209C>G	p.Thr70Ser	missense_variant	Exon 3 of 7	1	NM_001101312.2	ENSP00000318409.5		Q3YBM2-1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152182

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000196

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:

0.00

GnomAD2 exomes

AF:

0.000160

AC:

AN:

249680

AF XY:

0.000104

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00116

Gnomad ASJ exome

AF:

0.00

Gnomad EAS 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:

0.0000322

AC:

AN:

1460498

Hom.:

Cov.:

AF XY:

0.0000220

AC XY:

AN XY:

726546

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33448

American (AMR)

AF:

0.00105

AC:

AN:

44586

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26030

East Asian (EAS)

AF:

0.00

AC:

AN:

39670

South Asian (SAS)

AF:

0.00

AC:

AN:

86126

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53374

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111164

Other (OTH)

AF:

0.00

AC:

AN:

60338

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.470

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152182

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74346

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41446

American (AMR)

AF:

0.000196

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000214

Hom.:

Bravo

AF:

0.0000416

ExAC

AF:

0.000115

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Dec 23, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.209C>G (p.T70S) alteration is located in exon 3 (coding exon 2) of the TMEM176B gene. This alteration results from a C to G substitution at nucleotide position 209, causing the threonine (T) at amino acid position 70 to be replaced by a serine (S). 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

0.18

BayesDel_addAF

Benign

-0.54

BayesDel_noAF

Benign

-0.60

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.096

T;T;T;T;T

Eigen

Benign

-0.024

Eigen_PC

Benign

-0.10

FATHMM_MKL

Benign

0.13

LIST_S2

Benign

0.41

.;.;.;T;.

M_CAP

Benign

0.0071

MetaRNN

Benign

0.19

T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.6

L;L;L;L;L

PhyloP100

0.13

PrimateAI

Benign

0.32

PROVEAN

Benign

-1.8

N;N;N;N;N

REVEL

Benign

0.11

Sift

Uncertain

0.021

D;D;D;D;D

Sift4G

Uncertain

0.016

D;D;D;D;D

Polyphen

0.90

P;P;P;P;P

Vest4

0.17

MutPred

0.83

Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);

MVP

0.35

MPC

0.10

ClinPred

0.069

GERP RS

4.0

Varity_R

0.093

gMVP

0.24

Mutation Taster

=93/7

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.37

Details are displayed if max score is > 0.2

DS_AL_spliceai

0.37

Position offset: 4

DS_DG_spliceai

0.35

Position offset: 5

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

Publications

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NM_001101312.2:c.209C>G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over