dbSNP rs116623596: KBTBD13:p.Thr376Thr (chr15-65077943-G-A) – ACMG Classification: Benign (-21 pts)

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_001101362.3(KBTBD13):c.1128G>A(p.Thr376Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00306 in 1,611,796 control chromosomes in the GnomAD database, including 148 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.017 ( 75 hom., cov: 34)

Exomes 𝑓: 0.0017 ( 73 hom. )

Consequence

KBTBD13
NM_001101362.3 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: -4.75

Publications

2 publications found

Variant links:

Genes affected

KBTBD13 (HGNC:37227): (kelch repeat and BTB domain containing 13) The gene belongs to a family of genes encoding proteins containing a BTB domain and several kelch repeats. The BTB domain functions as a protein-protein interaction module, which includes an ability to self-associate or to interact with non-BTB domain-containing proteins. The kelch motif typically occurs in groups of five to seven repeats, and has been found in proteins with diverse functions. Known functions of these family members include transcription regulation, ion channel tetramerization and gating, protein ubiquitination or degradation, and cytoskeleton regulation. The exact function of this family member has yet to be determined. [provided by RefSeq, Jun 2010]

KBTBD13 Gene-Disease associations (from GenCC):

nemaline myopathy 6
Inheritance: AD, Unknown Classification: DEFINITIVE, STRONG, MODERATE, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), ClinGen, G2P
childhood-onset nemaline myopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

KBTBD13 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.72).

BP6

Variant 15-65077943-G-A is Benign according to our data. Variant chr15-65077943-G-A is described in ClinVar as Benign. ClinVar VariationId is 129305.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-4.75 with no splicing effect.

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0561 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001101362.3. 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
	KBTBD13	NM_001101362.3	MANE Select	c.1128G>A	p.Thr376Thr	synonymous	Exon 1 of 1	NP_001094832.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	KBTBD13	ENST00000432196.5	TSL:6 MANE Select	c.1128G>A	p.Thr376Thr	synonymous	Exon 1 of 1	ENSP00000388723.2

Frequencies

GnomAD3 genomes

AF:

0.0165

AC:

2516

AN:

152228

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0582

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00484

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00318

Gnomad NFE

AF:

0.000103

Gnomad OTH

AF:

0.0100

GnomAD2 exomes

AF:

0.00368

AC:

890

AN:

241788

AF XY:

0.00303

show subpopulations

Gnomad AFR exome

AF:

0.0545

Gnomad AMR exome

AF:

0.00247

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000138

Gnomad OTH exome

AF:

0.00202

GnomAD4 exome

AF:

0.00166

AC:

2418

AN:

1459450

Hom.:

Cov.:

AF XY:

0.00144

AC XY:

1043

AN XY:

726094

show subpopulations

African (AFR)

AF:

0.0579

AC:

1938

AN:

33474

American (AMR)

AF:

0.00275

AC:

123

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26118

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.000128

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51308

Middle Eastern (MID)

AF:

0.00191

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000854

AC:

AN:

1111766

Other (OTH)

AF:

0.00398

AC:

240

AN:

60352

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

173

345

518

690

863

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

136

204

272

340

<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:

0.0165

AC:

2517

AN:

152346

Hom.:

Cov.:

AF XY:

0.0159

AC XY:

1186

AN XY:

74496

show subpopulations

African (AFR)

AF:

0.0581

AC:

2414

AN:

41572

American (AMR)

AF:

0.00483

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5176

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10632

Middle Eastern (MID)

AF:

0.00342

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.000103

AC:

AN:

68034

Other (OTH)

AF:

0.00992

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.503

Heterozygous variant carriers

129

258

388

517

646

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

112

140

<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:

0.00574

Hom.:

Bravo

AF:

0.0183

Asia WGS

AF:

0.00346

AC:

AN:

3478

EpiCase

AF:

0.000164

EpiControl

AF:

0.0000593

ClinVar

ClinVar submissions as Germline

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (3)

Nemaline myopathy 6 (2)

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.72

CADD

Benign

6.0

(source)

DANN

Benign

0.87

PhyloP100

-4.7

Mutation Taster

=100/0

polymorphism (auto)

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.15

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