Variant chr21-44574068-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_198687.2(KRTAP10-4):c.310C>T(p.Pro104Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000087 ( 0 hom., cov: 36)

Exomes 𝑓: 0.000010 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

KRTAP10-4
NM_198687.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.462

Variant links:

Genes affected

KRTAP10-4 (HGNC:20521): (keratin associated protein 10-4) This is an intronless gene located in a cluster of related genes on the q arm of chromosome 21. The proteins encoded by these genes form disulfide bonds with cysteine residues in hair keratins, thereby contributing to the structure and stability of hair fibers. [provided by RefSeq, Apr 2014]

KRTAP10-4 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:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.080840915).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
KRTAP10-4	NM_198687.2 linkuse as main transcript	c.310C>T	p.Pro104Ser	missense_variant	1/1	ENST00000400374.4	NP_941960.2
TSPEAR	NM_144991.3 linkuse as main transcript	c.83-6063G>A		intron_variant		ENST00000323084.9	NP_659428.2
TSPEAR	NM_001272037.2 linkuse as main transcript	c.-122-6063G>A		intron_variant			NP_001258966.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
KRTAP10-4	ENST00000400374.4 linkuse as main transcript	c.310C>T	p.Pro104Ser	missense_variant	1/1		NM_198687.2	ENSP00000383225	P1
TSPEAR	ENST00000323084.9 linkuse as main transcript	c.83-6063G>A		intron_variant		1	NM_144991.3	ENSP00000321987	P1	Q8WU66-1
TSPEAR	ENST00000642437.1 linkuse as main transcript	c.*28-6063G>A		intron_variant, NMD_transcript_variant				ENSP00000496535

Frequencies

GnomAD3 genomes

AF:

0.00

AC:

AN:

150002

Hom.:

Cov.:

FAILED QC

Gnomad AFR

AF:

0.000198

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000402

Gnomad SAS

AF:

0.000211

Gnomad FIN

AF:

0.000193

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.0000103

AC:

AN:

1461218

Hom.:

Cov.:

175

AF XY:

0.0000124

AC XY:

AN XY:

726916

show subpopulations

Gnomad4 AFR exome

AF:

0.0000599

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000101

Gnomad4 SAS exome

AF:

0.0000697

Gnomad4 FIN exome

AF:

0.0000187

Gnomad4 NFE exome

AF:

0.00000180

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.0000866

AC:

AN:

150112

Hom.:

Cov.:

AF XY:

0.000109

AC XY:

AN XY:

73314

show subpopulations

Gnomad4 AFR

AF:

0.000197

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000403

Gnomad4 SAS

AF:

0.000211

Gnomad4 FIN

AF:

0.000193

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.00125

Hom.:

ExAC

AF:

0.0000413

AC:

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

Jun 22, 2023

The c.310C>T (p.P104S) alteration is located in exon 1 (coding exon 1) of the KRTAP10-4 gene. This alteration results from a C to T substitution at nucleotide position 310, causing the proline (P) at amino acid position 104 to be replaced by a serine (S). 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

0.083

BayesDel_addAF

Benign

-0.32

BayesDel_noAF

Benign

-0.70

CADD

Benign

DANN

Benign

0.75

Eigen

Benign

-0.92

Eigen_PC

Benign

-0.99

FATHMM_MKL

Benign

0.029

LIST_S2

Benign

0.22

T;.

M_CAP

Benign

0.0054

MetaRNN

Benign

0.081

T;T

MetaSVM

Benign

-0.94

MutationTaster

Benign

1.0

N;N

PrimateAI

Benign

0.20

PROVEAN

Uncertain

-4.2

.;D

REVEL

Benign

0.072

Sift

Benign

0.41

.;T

Sift4G

Benign

0.50

.;T

Vest4

0.18

MVP

0.085

MPC

0.46

ClinPred

0.024

GERP RS

-2.4

gMVP

0.066

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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