Variant 21-44612753-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_198695.2(KRTAP10-8):c.653G>A(p.Arg218Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000521 in 1,612,906 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000052 ( 0 hom. )

Consequence

KRTAP10-8
NM_198695.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.140

Variant links:

Genes affected

KRTAP10-8 (HGNC:20525): (keratin associated protein 10-8) Enables identical protein binding activity. Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

KRTAP10-8 links:

TSPEAR (HGNC:1268): (thrombospondin type laminin G domain and EAR repeats) This gene encodes a protein that contains a N-terminal thrombospondin-type laminin G domain and several tandem arranged epilepsy-associated repeats (EARs). A mutation in this gene is the cause of autosomal recessive deafness-98. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Dec 2012]

TSPEAR links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.06542966).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
KRTAP10-8	NM_198695.2 linkuse as main transcript	c.653G>A	p.Arg218Gln	missense_variant	1/1	ENST00000334662.2
TSPEAR	NM_144991.3 linkuse as main transcript	c.83-44748C>T		intron_variant		ENST00000323084.9
TSPEAR	NM_001272037.2 linkuse as main transcript	c.-122-44748C>T		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
KRTAP10-8	ENST00000334662.2 linkuse as main transcript	c.653G>A	p.Arg218Gln	missense_variant	1/1		NM_198695.2	P1
TSPEAR	ENST00000323084.9 linkuse as main transcript	c.83-44748C>T		intron_variant		1	NM_144991.3	P1	Q8WU66-1
TSPEAR	ENST00000642437.1 linkuse as main transcript	c.*28-44748C>T		intron_variant, NMD_transcript_variant

Frequencies

GnomAD3 genomes

AF:

0.0000529

AC:

AN:

151300

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000487

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000657

Gnomad ASJ

AF:

0.00116

Gnomad EAS

AF:

0.000194

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

GnomAD3 exomes

AF:

0.0000637

AC:

AN:

251248

Hom.:

AF XY:

0.0000368

AC XY:

AN XY:

135786

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00119

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.0000520

AC:

AN:

1461606

Hom.:

Cov.:

AF XY:

0.0000468

AC XY:

AN XY:

727114

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.0000224

Gnomad4 ASJ exome

AF:

0.000842

Gnomad4 EAS exome

AF:

0.0000504

Gnomad4 SAS exome

AF:

0.0000464

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000342

Gnomad4 OTH exome

AF:

0.000133

GnomAD4 genome

AF:

0.0000529

AC:

AN:

151300

Hom.:

Cov.:

AF XY:

0.0000542

AC XY:

AN XY:

73864

show subpopulations

Gnomad4 AFR

AF:

0.0000487

Gnomad4 AMR

AF:

0.0000657

Gnomad4 ASJ

AF:

0.00116

Gnomad4 EAS

AF:

0.000194

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000174

Hom.:

Bravo

AF:

0.0000756

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.0000577

AC:

EpiCase

AF:

0.000164

EpiControl

AF:

0.000119

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Feb 17, 2024

The c.653G>A (p.R218Q) alteration is located in exon 1 (coding exon 1) of the KRTAP10-8 gene. This alteration results from a G to A substitution at nucleotide position 653, causing the arginine (R) at amino acid position 218 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.10

BayesDel_addAF

Benign

-0.31

BayesDel_noAF

Benign

-0.59

CADD

Benign

DANN

Benign

0.97

DEOGEN2

Benign

0.042

Eigen

Benign

-0.53

Eigen_PC

Benign

-0.70

FATHMM_MKL

Benign

0.011

LIST_S2

Benign

0.34

M_CAP

Benign

0.0044

MetaRNN

Benign

0.065

MetaSVM

Benign

-0.91

MutationAssessor

Uncertain

2.0

MutationTaster

Benign

1.0

N;N

PrimateAI

Benign

0.19

PROVEAN

Uncertain

-3.2

REVEL

Benign

0.037

Sift

Benign

0.071

Sift4G

Benign

0.18

Polyphen

0.98

Vest4

0.24

MVP

0.26

MPC

0.071

ClinPred

0.15

GERP RS

1.3

Varity_R

0.12

gMVP

0.048

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.11

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over