17-41523832-G-A
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Variant summary
Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate
The NM_002276.5(KRT19):c.1114C>T(p.Arg372Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000284 in 1,613,840 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.00012 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00030 ( 1 hom. )
Consequence
KRT19
NM_002276.5 missense
NM_002276.5 missense
Scores
9
7
2
Clinical Significance
Conservation
PhyloP100: 2.27
Genes affected
KRT19 (HGNC:6436): (keratin 19) The protein encoded by this gene is a member of the keratin family. The keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into cytokeratins and hair keratins. The type I cytokeratins consist of acidic proteins which are arranged in pairs of heterotypic keratin chains. Unlike its related family members, this smallest known acidic cytokeratin is not paired with a basic cytokeratin in epithelial cells. It is specifically expressed in the periderm, the transiently superficial layer that envelopes the developing epidermis. The type I cytokeratins are clustered in a region of chromosome 17q12-q21. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 4 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.9
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
KRT19 | NM_002276.5 | c.1114C>T | p.Arg372Trp | missense_variant | 6/6 | ENST00000361566.7 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
KRT19 | ENST00000361566.7 | c.1114C>T | p.Arg372Trp | missense_variant | 6/6 | 1 | NM_002276.5 | P1 | |
KRT19 | ENST00000468880.1 | n.750C>T | non_coding_transcript_exon_variant | 3/3 | 2 | ||||
KRT19 | ENST00000593096.1 | downstream_gene_variant | 3 |
Frequencies
GnomAD3 genomes AF: 0.000118 AC: 18AN: 152238Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.000139 AC: 35AN: 251390Hom.: 0 AF XY: 0.000132 AC XY: 18AN XY: 135880
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GnomAD4 exome AF: 0.000301 AC: 440AN: 1461602Hom.: 1 Cov.: 31 AF XY: 0.000271 AC XY: 197AN XY: 727112
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GnomAD4 genome AF: 0.000118 AC: 18AN: 152238Hom.: 0 Cov.: 32 AF XY: 0.000134 AC XY: 10AN XY: 74366
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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 | Sep 14, 2021 | The c.1114C>T (p.R372W) alteration is located in exon 6 (coding exon 6) of the KRT19 gene. This alteration results from a C to T substitution at nucleotide position 1114, causing the arginine (R) at amino acid position 372 to be replaced by a tryptophan (W). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Uncertain
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Pathogenic
DEOGEN2
Pathogenic
D
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Uncertain
D
LIST_S2
Uncertain
D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D
MetaSVM
Pathogenic
D
MutationAssessor
Uncertain
M
MutationTaster
Benign
D
PROVEAN
Pathogenic
D
REVEL
Pathogenic
Sift
Uncertain
D
Sift4G
Pathogenic
D
Polyphen
D
Vest4
MVP
MPC
ClinPred
T
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at