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GeneBe

21-44591814-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_198688.3(KRTAP10-6):c.671G>A(p.Cys224Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000194 in 1,446,922 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

KRTAP10-6
NM_198688.3 missense

Scores

1
1
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.208
Variant links:
Genes affected
KRTAP10-6 (HGNC:20523): (keratin associated protein 10-6) Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]
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]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.27365455).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KRTAP10-6NM_198688.3 linkuse as main transcriptc.671G>A p.Cys224Tyr missense_variant 1/1 ENST00000400368.1
TSPEARNM_144991.3 linkuse as main transcriptc.83-23809G>A intron_variant ENST00000323084.9
TSPEARNM_001272037.2 linkuse as main transcriptc.-122-23809G>A intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KRTAP10-6ENST00000400368.1 linkuse as main transcriptc.671G>A p.Cys224Tyr missense_variant 1/1 NM_198688.3 P1
TSPEARENST00000323084.9 linkuse as main transcriptc.83-23809G>A intron_variant 1 NM_144991.3 P1Q8WU66-1
TSPEARENST00000642437.1 linkuse as main transcriptc.*28-23809G>A intron_variant, NMD_transcript_variant

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD3 exomes
AF:
0.0000199
AC:
5
AN:
251214
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135798
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000440
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000194
AC:
28
AN:
1446922
Hom.:
0
Cov.:
142
AF XY:
0.0000236
AC XY:
17
AN XY:
719946
show subpopulations
Gnomad4 AFR exome
AF:
0.0000329
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:
0.0000244
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
31
Alfa
AF:
0.0000727
Hom.:
0
Bravo
AF:
0.00000756
ExAC
AF:
0.0000247
AC:
3
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

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 submitterclinical testingAmbry GeneticsJan 03, 2024The c.671G>A (p.C224Y) alteration is located in exon 1 (coding exon 1) of the KRTAP10-6 gene. This alteration results from a G to A substitution at nucleotide position 671, causing the cysteine (C) at amino acid position 224 to be replaced by a tyrosine (Y). 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
0.19
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.53
Cadd
Benign
14
Dann
Benign
0.90
Eigen
Benign
0.0043
Eigen_PC
Benign
-0.30
FATHMM_MKL
Benign
0.16
N
M_CAP
Benign
0.0016
T
MetaRNN
Benign
0.27
T
MetaSVM
Benign
-1.1
T
MutationTaster
Benign
0.73
N;N
PROVEAN
Pathogenic
-7.5
D
REVEL
Benign
0.035
Sift
Benign
0.030
D
Sift4G
Uncertain
0.031
D
Vest4
0.33
MVP
0.072
MPC
0.82
ClinPred
0.54
D
GERP RS
1.7
gMVP
0.072

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.11
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: rs199957699; hg19: chr21-46011695; API