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17-41501359-C-CT

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP6_ModerateBS2

The NM_153490.3(KRT13):c.1273_1274insA(p.Ser425LysfsTer6) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000123 in 1,558,802 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Benign (★). Synonymous variant affecting the same amino acid position (i.e. S425S) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

KRT13
NM_153490.3 frameshift

Scores

Not classified

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.89
Variant links:
Genes affected
KRT13 (HGNC:6415): (keratin 13) The protein encoded by this gene is a member of the keratin gene family. The keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into cytokeratins and hair keratins. Most of the type I cytokeratins consist of acidic proteins which are arranged in pairs of heterotypic keratin chains. This type I cytokeratin is paired with keratin 4 and expressed in the suprabasal layers of non-cornified stratified epithelia. Mutations in this gene and keratin 4 have been associated with the autosomal dominant disorder White Sponge Nevus. The type I cytokeratins are clustered in a region of chromosome 17q21.2. Alternative splicing of this gene results in multiple transcript variants; however, not all variants have been described. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP6
Variant 17-41501359-C-CT is Benign according to our data. Variant chr17-41501359-C-CT is described in ClinVar as [Benign]. Clinvar id is 753332.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAd at 20 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KRT13NM_153490.3 linkuse as main transcriptc.1273_1274insA p.Ser425LysfsTer6 frameshift_variant 8/8 ENST00000246635.8
KRT13NM_002274.4 linkuse as main transcriptc.1247_1248insA p.Arg417AlafsTer82 frameshift_variant 7/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KRT13ENST00000246635.8 linkuse as main transcriptc.1273_1274insA p.Ser425LysfsTer6 frameshift_variant 8/81 NM_153490.3 P2P13646-1
ENST00000411759.1 linkuse as main transcriptn.334+45dup intron_variant, non_coding_transcript_variant 3

Frequencies

GnomAD3 genomes
AF:
0.000131
AC:
20
AN:
152166
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00367
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000468
AC:
78
AN:
166640
Hom.:
0
AF XY:
0.000513
AC XY:
45
AN XY:
87684
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00559
Gnomad SAS exome
AF:
0.000301
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000122
AC:
171
AN:
1406518
Hom.:
0
Cov.:
30
AF XY:
0.000135
AC XY:
94
AN XY:
694370
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00341
Gnomad4 SAS exome
AF:
0.000414
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000370
Gnomad4 OTH exome
AF:
0.000120
GnomAD4 genome
AF:
0.000131
AC:
20
AN:
152284
Hom.:
0
Cov.:
32
AF XY:
0.000134
AC XY:
10
AN XY:
74454
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00368
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000116
Hom.:
0
Bravo
AF:
0.000336
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeDec 05, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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.

Other links and lift over

dbSNP: rs375760692; hg19: chr17-39657611; API