Genetic Variant TMEM161A:p.Leu278Gln (chr19-19121389-A-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_017814.3(TMEM161A):c.833T>A(p.Leu278Gln) variant causes a missense change. The variant allele was found at a frequency of 0.0000682 in 1,612,350 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000085 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000066 ( 1 hom. )

Consequence

TMEM161A
NM_017814.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.38

Publications

0 publications found

Variant links:

Genes affected

TMEM161A (HGNC:26020): (transmembrane protein 161A) Involved in several processes, including cellular response to UV; regulation of response to DNA damage stimulus; and response to retinoic acid. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

TMEM161A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TMEM161A	NM_017814.3 link	c.833T>A	p.Leu278Gln	missense_variant	Exon 9 of 12	ENST00000162044.14	NP_060284.1	Q9NX61-1
TMEM161A	NM_001411131.1 link	c.758T>A	p.Leu253Gln	missense_variant	Exon 9 of 12		NP_001398060.1
TMEM161A	NM_001256766.3 link	c.524T>A	p.Leu175Gln	missense_variant	Exon 7 of 10		NP_001243695.1	Q9NX61-2
TMEM161A	XM_047439023.1 link	c.782T>A	p.Leu261Gln	missense_variant	Exon 9 of 12		XP_047294979.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TMEM161A	ENST00000162044.14 link	c.833T>A	p.Leu278Gln	missense_variant	Exon 9 of 12	1	NM_017814.3	ENSP00000162044.7		Q9NX61-1

Frequencies

GnomAD3 genomes

AF:

0.0000854

AC:

AN:

152156

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:

0.000132

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.0000770

AC:

AN:

246768

AF XY:

0.000105

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000877

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000126

Gnomad OTH exome

AF:

0.000333

GnomAD4 exome

AF:

0.0000664

AC:

AN:

1460194

Hom.:

Cov.:

AF XY:

0.0000688

AC XY:

AN XY:

726326

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33362

American (AMR)

AF:

0.000180

AC:

AN:

44440

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26068

East Asian (EAS)

AF:

0.00

AC:

AN:

39548

South Asian (SAS)

AF:

0.00

AC:

AN:

86008

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53324

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.0000612

AC:

AN:

1111346

Other (OTH)

AF:

0.000331

AC:

AN:

60332

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000854

AC:

AN:

152156

Hom.:

Cov.:

AF XY:

0.0000807

AC XY:

AN XY:

74334

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41434

American (AMR)

AF:

0.000196

AC:

AN:

15278

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000132

AC:

AN:

68008

Other (OTH)

AF:

0.000478

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000100

Hom.:

Bravo

AF:

0.0000907

ExAC

AF:

0.0000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 29, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.833T>A (p.L278Q) alteration is located in exon 9 (coding exon 9) of the TMEM161A gene. This alteration results from a T to A substitution at nucleotide position 833, causing the leucine (L) at amino acid position 278 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

Pathogenic

0.69

BayesDel_addAF

Benign

-0.0083

BayesDel_noAF

Uncertain

0.0

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.29

.;T;T;T

Eigen

Uncertain

0.66

Eigen_PC

Uncertain

0.62

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.88

D;D;D;D

M_CAP

Uncertain

0.15

MetaRNN

Uncertain

0.62

D;D;D;D

MetaSVM

Benign

-0.42

MutationAssessor

Uncertain

2.4

.;M;.;.

PhyloP100

6.4

PrimateAI

Benign

0.34

PROVEAN

Uncertain

-4.3

D;D;.;.

REVEL

Uncertain

0.37

Sift

Uncertain

0.0020

D;D;.;.

Sift4G

Uncertain

0.0030

D;D;D;.

Polyphen

0.99

.;D;.;.

Vest4

0.57

MVP

0.40

MPC

0.84

ClinPred

0.69

GERP RS

4.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.58

gMVP

0.44

Mutation Taster

=63/37

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.46

Details are displayed if max score is > 0.2

DS_AG_spliceai

0.46

Position offset: -2

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

Publications

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chr19-19121389-A-T

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