rs116406369

Variant names:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001101362.3(KBTBD13):c.1363A>G(p.Thr455Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00113 in 1,540,720 control chromosomes in the GnomAD database, including 13 homozygotes. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T455M) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0059 ( 10 hom., cov: 33)

Exomes 𝑓: 0.00061 ( 3 hom. )

Consequence

KBTBD13
NM_001101362.3 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 0.445

Publications

0 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, ClinGen, Labcorp Genetics (formerly Invitae), 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 -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0029282272).

BP6

Variant 15-65078178-A-G is Benign according to our data. Variant chr15-65078178-A-G is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 257451.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00594 (904/152314) while in subpopulation AFR AF = 0.0205 (852/41576). AF 95% confidence interval is 0.0194. There are 10 homozygotes in GnomAd4. There are 407 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High AC in GnomAd4 at 904 AD,Unknown gene.

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.1363A>G	p.Thr455Ala	missense	Exon 1 of 1	NP_001094832.1	C9JR72

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	KBTBD13	ENST00000432196.5	TSL:6 MANE Select	c.1363A>G	p.Thr455Ala	missense	Exon 1 of 1	ENSP00000388723.2	C9JR72

Frequencies

GnomAD3 genomes

AF:

0.00595

AC:

906

AN:

152196

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0206

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00216

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00717

GnomAD2 exomes

AF:

0.00129

AC:

182

AN:

141214

AF XY:

0.000897

show subpopulations

Gnomad AFR exome

AF:

0.0196

Gnomad AMR exome

AF:

0.00161

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000356

Gnomad OTH exome

AF:

0.000472

GnomAD4 exome

AF:

0.000606

AC:

842

AN:

1388406

Hom.:

Cov.:

AF XY:

0.000492

AC XY:

337

AN XY:

685538

show subpopulations

African (AFR)

AF:

0.0212

AC:

671

AN:

31720

American (AMR)

AF:

0.00159

AC:

AN:

35948

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25190

East Asian (EAS)

AF:

0.00

AC:

AN:

35990

South Asian (SAS)

AF:

0.0000378

AC:

AN:

79410

European-Finnish (FIN)

AF:

0.00

AC:

AN:

36050

Middle Eastern (MID)

AF:

0.000176

AC:

AN:

5698

European-Non Finnish (NFE)

AF:

0.0000315

AC:

AN:

1080356

Other (OTH)

AF:

0.00131

AC:

AN:

58044

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.485

Heterozygous variant carriers

103

155

206

258

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

120

<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:

0.00594

AC:

904

AN:

152314

Hom.:

Cov.:

AF XY:

0.00546

AC XY:

407

AN XY:

74484

show subpopulations

African (AFR)

AF:

0.0205

AC:

852

AN:

41576

American (AMR)

AF:

0.00216

AC:

AN:

15302

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5174

South Asian (SAS)

AF:

0.000414

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68030

Other (OTH)

AF:

0.00710

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.503

Heterozygous variant carriers

100

150

200

250

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.00251

Hom.:

Bravo

AF:

0.00723

ESP6500AA

AF:

0.0100

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000759

AC:

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Nemaline myopathy 6 (2)

not specified (2)

KBTBD13-related disorder (1)

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.055

BayesDel_addAF

Benign

-0.50

BayesDel_noAF

Benign

-0.48

CADD

Benign

3.5

(source)

DANN

Benign

0.47

DEOGEN2

Benign

0.0075

Eigen

Benign

-1.5

Eigen_PC

Benign

-1.5

FATHMM_MKL

Benign

0.029

LIST_S2

Benign

0.31

MetaRNN

Benign

0.0029

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.69

PhyloP100

0.45

PrimateAI

Benign

0.47

PROVEAN

Benign

-0.57

REVEL

Benign

0.12

Sift

Benign

0.33

Sift4G

Benign

0.45

Polyphen

0.0030

Vest4

0.12

MVP

0.23

MPC

0.53

ClinPred

0.0012

GERP RS

-2.7

Varity_R

0.020

gMVP

0.47

Mutation Taster

=97/3

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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