Genetic Variant NM_004749.4:c.1270G>A (chr7-45102398-C-T) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_004749.4(TBRG4):c.1270G>A(p.Glu424Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000052 in 1,614,114 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00013 ( 2 hom., cov: 33)

Exomes 𝑓: 0.000044 ( 0 hom. )

Consequence

TBRG4
NM_004749.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.836

Publications

0 publications found

Variant links:

Genes affected

TBRG4 (HGNC:17443): (transforming growth factor beta regulator 4) Enables RNA binding activity. Involved in mitochondrial mRNA processing and regulation of mitochondrial mRNA stability. Located in mitochondrial matrix. [provided by Alliance of Genome Resources, Apr 2022]

TBRG4 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.06024137).

BS2

High Homozygotes in GnomAd4 at 2 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004749.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TBRG4	NM_004749.4	MANE Select	c.1270G>A	p.Glu424Lys	missense	Exon 7 of 11	NP_004740.2
TBRG4	NM_001261834.2		c.1303G>A	p.Glu435Lys	missense	Exon 7 of 11	NP_001248763.1	B4DU42
TBRG4	NM_030900.4		c.940G>A	p.Glu314Lys	missense	Exon 5 of 9	NP_112162.1	Q969Z0-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TBRG4	ENST00000258770.8	TSL:1 MANE Select	c.1270G>A	p.Glu424Lys	missense	Exon 7 of 11	ENSP00000258770.3	Q969Z0-1
TBRG4	ENST00000361278.7	TSL:1	c.940G>A	p.Glu314Lys	missense	Exon 5 of 9	ENSP00000354992.3	Q969Z0-2
TBRG4	ENST00000495973.5	TSL:1	n.2559G>A		non_coding_transcript_exon	Exon 5 of 9

Frequencies

GnomAD3 genomes

AF:

0.0000985

AC:

AN:

152252

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000265

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:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000159

AC:

AN:

251262

AF XY:

0.00000736

show subpopulations

Gnomad AFR exome

AF:

0.000123

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:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000438

AC:

AN:

1461744

Hom.:

Cov.:

AF XY:

0.0000385

AC XY:

AN XY:

727186

show subpopulations

African (AFR)

AF:

0.000329

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53316

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5748

European-Non Finnish (NFE)

AF:

0.0000459

AC:

AN:

1111996

Other (OTH)

AF:

0.0000331

AC:

AN:

60394

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

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:

0.000131

AC:

AN:

152370

Hom.:

Cov.:

AF XY:

0.000148

AC XY:

AN XY:

74512

show subpopulations

African (AFR)

AF:

0.000385

AC:

AN:

41584

American (AMR)

AF:

0.00

AC:

AN:

15312

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000588

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

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:

0.0000969

Hom.:

Bravo

AF:

0.0000869

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ExAC

AF:

0.0000165

AC:

Asia WGS

AF:

0.00115

AC:

AN:

3478

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

0.079

BayesDel_addAF

Benign

-0.33

BayesDel_noAF

Benign

-0.53

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0093

Eigen

Benign

-0.24

Eigen_PC

Benign

-0.34

FATHMM_MKL

Benign

0.37

LIST_S2

Benign

0.76

M_CAP

Benign

0.011

MetaRNN

Benign

0.060

MetaSVM

Benign

-0.99

PhyloP100

0.84

PrimateAI

Benign

0.37

PROVEAN

Benign

-0.74

REVEL

Benign

0.12

Sift

Benign

0.46

Sift4G

Benign

0.25

Polyphen

0.022

Vest4

0.11

MVP

0.093

MPC

0.28

ClinPred

0.081

GERP RS

4.2

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.2

Varity_R

0.024

gMVP

0.27

Mutation Taster

=95/5

polymorphism

(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

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over