chr17-40819075-T-C

Position:

chr17-40819075-T-C

Variant summary

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

The NM_000421.5(KRT10):c.1460A>G(p.His487Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000272 in 1,215,212 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000019 ( 0 hom., cov: 26)

Exomes 𝑓: 0.000028 ( 0 hom. )

Consequence

KRT10
NM_000421.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.73

Variant links:

Genes affected

KRT10 (HGNC:6413): (keratin 10) This gene encodes a member of the type I (acidic) cytokeratin family, which belongs to the superfamily of intermediate filament (IF) proteins. Keratins are heteropolymeric structural proteins which form the intermediate filament. These filaments, along with actin microfilaments and microtubules, compose the cytoskeleton of epithelial cells. Mutations in this gene are associated with epidermolytic hyperkeratosis. This gene is located within a cluster of keratin family members on chromosome 17q21. [provided by RefSeq, Jul 2008]

KRT10 links:

KRT10-AS1 (HGNC:28305): (KRT10 antisense RNA 1) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

KRT10-AS1 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=0.07297301).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
KRT10	NM_000421.5 linkuse as main transcript	c.1460A>G	p.His487Arg	missense_variant	7/8	ENST00000269576.6	NP_000412.4
KRT10	NM_001379366.1 linkuse as main transcript	c.1460A>G	p.His487Arg	missense_variant	7/8		NP_001366295.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
KRT10	ENST00000269576.6 linkuse as main transcript	c.1460A>G	p.His487Arg	missense_variant	7/8	1	NM_000421.5	ENSP00000269576	P2
KRT10-AS1	ENST00000301665.9 linkuse as main transcript			upstream_gene_variant		2

Frequencies

GnomAD3 genomes

AF:

0.0000187

AC:

AN:

106738

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000312

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:

0.0000212

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000280

AC:

AN:

1108474

Hom.:

Cov.:

AF XY:

0.0000274

AC XY:

AN XY:

546748

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000350

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000187

AC:

AN:

106738

Hom.:

Cov.:

AF XY:

0.0000192

AC XY:

AN XY:

52036

show subpopulations

Gnomad4 AFR

AF:

0.0000312

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000212

Gnomad4 OTH

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Oct 13, 2023

This sequence change replaces histidine, which is basic and polar, with arginine, which is basic and polar, at codon 487 of the KRT10 protein (p.His487Arg). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with KRT10-related conditions. ClinVar contains an entry for this variant (Variation ID: 2155917). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt KRT10 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.093

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.45

CADD

Benign

0.41

DANN

Benign

0.49

DEOGEN2

Benign

0.099

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.028

LIST_S2

Benign

0.18

M_CAP

Benign

0.044

MetaRNN

Benign

0.073

MetaSVM

Benign

-0.68

MutationAssessor

Benign

0.0

MutationTaster

Benign

1.0

PrimateAI

Uncertain

0.75

PROVEAN

Benign

0.0

REVEL

Benign

0.18

Sift

Benign

0.14

Sift4G

Benign

0.34

Polyphen

0.0

Vest4

0.22

MutPred

0.39

Gain of methylation at H487 (P = 0.0052);

MVP

0.56

MPC

0.51

ClinPred

0.047

GERP RS

1.1

Varity_R

0.20

gMVP

0.36

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

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