Genetic Variant TBRG1:p.Val214Ala (chr11-124626953-T-C) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP2

The NM_032811.3(TBRG1):c.641T>C(p.Val214Ala) variant causes a missense change. The variant allele was found at a frequency of 0.0000593 in 1,603,200 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V214M) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000060 ( 0 hom. )

Consequence

TBRG1
NM_032811.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.57

Publications

0 publications found

Variant links:

Genes affected

TBRG1 (HGNC:29551): (transforming growth factor beta regulator 1) Involved in several processes, including DNA replication; protein localization to nucleoplasm; and protein stabilization. Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

TBRG1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 1 curated pathogenic missense variants (we use a threshold of 10). The gene has 0 curated benign missense variants. Gene score misZ: 0.8118 (below the threshold of 3.09). Trascript score misZ: 0.037837 (below the threshold of 3.09).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032811.3. 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
	TBRG1	NM_032811.3	MANE Select	c.641T>C	p.Val214Ala	missense	Exon 5 of 9	NP_116200.2	Q3YBR2-1
	TBRG1	NR_016021.2		n.724T>C		non_coding_transcript_exon	Exon 4 of 8

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TBRG1	ENST00000441174.8	TSL:1 MANE Select	c.641T>C	p.Val214Ala	missense	Exon 5 of 9	ENSP00000409016.3	Q3YBR2-1
TBRG1	ENST00000284290.8	TSL:1	n.*21T>C		non_coding_transcript_exon	Exon 4 of 8	ENSP00000284290.4	F8W6N5
TBRG1	ENST00000438907.3	TSL:1	n.247T>C		non_coding_transcript_exon	Exon 3 of 7

Frequencies

GnomAD3 genomes

AF:

0.0000526

AC:

AN:

152208

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.000103

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000343

AC:

AN:

233400

AF XY:

0.0000399

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:

0.0000769

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000600

AC:

AN:

1450992

Hom.:

Cov.:

AF XY:

0.0000486

AC XY:

AN XY:

720424

show subpopulations

African (AFR)

AF:

0.0000600

AC:

AN:

33348

American (AMR)

AF:

0.00

AC:

AN:

43586

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25882

East Asian (EAS)

AF:

0.00

AC:

AN:

39496

South Asian (SAS)

AF:

0.0000119

AC:

AN:

83838

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52872

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

0.0000669

AC:

AN:

1106214

Other (OTH)

AF:

0.000167

AC:

AN:

60002

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.464

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:

0.0000526

AC:

AN:

152208

Hom.:

Cov.:

AF XY:

0.0000538

AC XY:

AN XY:

74352

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41458

American (AMR)

AF:

0.00

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000103

AC:

AN:

68044

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.494

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.000113

Hom.:

Bravo

AF:

0.0000416

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.0000165

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.20

BayesDel_addAF

Benign

-0.081

BayesDel_noAF

Benign

-0.17

CADD

Pathogenic

(source)

DANN

Benign

0.94

DEOGEN2

Uncertain

0.59

Eigen

Uncertain

0.45

Eigen_PC

Uncertain

0.46

FATHMM_MKL

Uncertain

0.89

LIST_S2

Uncertain

0.90

M_CAP

Benign

0.066

MetaRNN

Uncertain

0.64

MetaSVM

Uncertain

-0.22

MutationAssessor

Uncertain

2.1

PhyloP100

5.6

PrimateAI

Uncertain

0.62

PROVEAN

Uncertain

-3.6

REVEL

Uncertain

0.52

Sift

Benign

0.17

Sift4G

Pathogenic

0.0

Polyphen

0.82

Vest4

0.69

MVP

0.84

MPC

0.097

ClinPred

0.49

GERP RS

4.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.21

gMVP

0.63

Mutation Taster

=24/76

disease causing

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over