Genetic Variant KRT35:p.Gly452Glu (chr17-41477069-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_002280.6(KRT35):c.1355G>A(p.Gly452Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000772 in 1,425,234 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 34)

Exomes 𝑓: 0.0000077 ( 0 hom. )

Consequence

KRT35
NM_002280.6 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.65

Variant links:

Genes affected

KRT35 (HGNC:6453): (keratin 35) The protein encoded by this gene is a member of the keratin gene family. This type I hair keratin is an acidic protein which heterodimerizes with type II keratins to form hair and nails. The type I hair keratins are clustered in a region of chromosome 17q12-q21 and have the same direction of transcription. [provided by RefSeq, Jul 2008]

KRT35 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.18662682).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KRT35	NM_002280.6 link	c.1355G>A	p.Gly452Glu	missense_variant	Exon 7 of 7	ENST00000246639.7	NP_002271.3	Q92764

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KRT35	ENST00000246639.7 link	c.1355G>A	p.Gly452Glu	missense_variant	Exon 7 of 7	1	NM_002280.6	ENSP00000246639.3		Q92764C4AM86

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000186

AC:

AN:

214884

Hom.:

AF XY:

0.0000344

AC XY:

AN XY:

116400

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000120

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000199

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000772

AC:

AN:

1425234

Hom.:

Cov.:

AF XY:

0.0000127

AC XY:

AN XY:

707386

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000507

Gnomad4 SAS exome

AF:

0.0000125

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000729

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ExAC

AF:

0.0000166

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Oct 10, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.1355G>A (p.G452E) alteration is located in exon 7 (coding exon 7) of the KRT35 gene. This alteration results from a G to A substitution at nucleotide position 1355, causing the glycine (G) at amino acid position 452 to be replaced by a glutamic acid (E). 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

0.13

BayesDel_addAF

Benign

-0.060

BayesDel_noAF

Benign

-0.14

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.0067

T;T

Eigen

Uncertain

0.20

Eigen_PC

Uncertain

0.28

FATHMM_MKL

Benign

0.67

LIST_S2

Benign

0.65

T;T

M_CAP

Benign

0.017

MetaRNN

Benign

0.19

T;T

MetaSVM

Uncertain

-0.18

MutationAssessor

Uncertain

2.1

.;M

PrimateAI

Benign

0.47

PROVEAN

Benign

0.44

N;N

REVEL

Uncertain

0.38

Sift

Benign

0.045

D;D

Sift4G

Benign

0.069

T;T

Polyphen

0.54

.;P

Vest4

0.22

MutPred

0.25

.;Gain of solvent accessibility (P = 0.0456);

MVP

0.56

MPC

0.13

ClinPred

0.70

GERP RS

5.4

Varity_R

0.11

gMVP

0.59

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