dbSNP rs2038770868: TNRC6B:p.Glu17* (chr22-40156118-G-T) – ACMG Classification: Pathogenic (12 pts)

Variant summary

Our verdict is Pathogenic. The variant received 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_001024843.2(TNRC6B):c.49G>T(p.Glu17*) variant causes a stop gained change. The variant allele was found at a frequency of 0.0000019 in 1,577,788 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

TNRC6B
NM_001024843.2 stop_gained

Scores

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 6.14

Publications

0 publications found

Variant links:

Genes affected

TNRC6B (HGNC:29190): (trinucleotide repeat containing adaptor 6B) Enables RNA binding activity. Involved in regulation of gene expression. Predicted to be located in cytosol. Predicted to be active in P-body and nucleoplasm. Implicated in subserous uterine fibroid and uterine fibroid. [provided by Alliance of Genome Resources, Apr 2022]

TNRC6B Gene-Disease associations (from GenCC):

complex neurodevelopmental disorder
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
global developmental delay with speech and behavioral abnormalities
Inheritance: AD Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics, PanelApp Australia
syndromic intellectual disability
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

TNRC6B links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 12 ACMG points.

PVS1

Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant located near the start codon (<100nt), not predicted to undergo nonsense mediated mRNA decay. There are 24 pathogenic variants in the truncated region.

PM2

Very rare variant in population databases, with high coverage;

PP5

Variant 22-40156118-G-T is Pathogenic according to our data. Variant chr22-40156118-G-T is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 3255570.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001024843.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TNRC6B	NM_001024843.2		c.49G>T	p.Glu17*	stop_gained	Exon 4 of 24	NP_001020014.1	Q9UPQ9-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TNRC6B	ENST00000402203.5	TSL:1	c.49G>T	p.Glu17*	stop_gained	Exon 4 of 24	ENSP00000384795.1	Q9UPQ9-2
	TNRC6B	ENST00000301923.13	TSL:5	c.49G>T	p.Glu17*	stop_gained	Exon 4 of 24	ENSP00000306759.9	Q9UPQ9-2

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152214

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.00

GnomAD4 exome

AF:

0.00000140

AC:

AN:

1425574

Hom.:

Cov.:

AF XY:

0.00000284

AC XY:

AN XY:

705226

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32806

American (AMR)

AF:

0.00

AC:

AN:

38876

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25406

East Asian (EAS)

AF:

0.00

AC:

AN:

38198

South Asian (SAS)

AF:

0.00

AC:

AN:

80786

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51310

Middle Eastern (MID)

AF:

0.000175

AC:

AN:

5722

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1093276

Other (OTH)

AF:

0.0000169

AC:

AN:

59194

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152214

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74372

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41460

American (AMR)

AF:

0.0000654

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

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:

2088

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:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

ClinVar submissions

Significance:Likely pathogenic

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

Global developmental delay with speech and behavioral abnormalities (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Pathogenic

0.48

BayesDel_noAF

Pathogenic

0.46

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

Eigen

Pathogenic

1.2

Eigen_PC

Pathogenic

1.0

FATHMM_MKL

Benign

0.26

PhyloP100

6.1

Vest4

0.40

GERP RS

5.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=27/173

disease causing (fs/PTC)

(source)

Splicing

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over