21-44697388-T-A

Variant summary

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

The NM_198699.1(KRTAP10-12):​c.187T>A​(p.Cys63Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000112 in 1,613,424 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

KRTAP10-12
NM_198699.1 missense

Scores

1
2
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.741
Variant links:
Genes affected
KRTAP10-12 (HGNC:20533): (keratin associated protein 10-12) 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]

Genome browser will be placed here

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=0.14220256).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KRTAP10-12NM_198699.1 linkuse as main transcriptc.187T>A p.Cys63Ser missense_variant 1/1 ENST00000400365.3
TSPEARNM_144991.3 linkuse as main transcriptc.82+14045A>T intron_variant ENST00000323084.9
TSPEARNM_001272037.2 linkuse as main transcriptc.-184-6782A>T intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KRTAP10-12ENST00000400365.3 linkuse as main transcriptc.187T>A p.Cys63Ser missense_variant 1/1 NM_198699.1 P1
TSPEARENST00000323084.9 linkuse as main transcriptc.82+14045A>T intron_variant 1 NM_144991.3 P1Q8WU66-1
TSPEARENST00000642437.1 linkuse as main transcriptc.83-6782A>T intron_variant, NMD_transcript_variant

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152192
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:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000120
AC:
3
AN:
250002
Hom.:
0
AF XY:
0.0000148
AC XY:
2
AN XY:
135530
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:
0.0000265
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000109
AC:
16
AN:
1461232
Hom.:
0
Cov.:
33
AF XY:
0.00000688
AC XY:
5
AN XY:
726962
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:
0.00000989
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152192
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74346
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000189
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.000164
EpiControl
AF:
0.00

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 GeneticsFeb 05, 2024The c.187T>A (p.C63S) alteration is located in exon 1 (coding exon 1) of the KRTAP10-12 gene. This alteration results from a T to A substitution at nucleotide position 187, causing the cysteine (C) at amino acid position 63 to be replaced by a serine (S). 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
0.15
BayesDel_addAF
Benign
-0.26
T
BayesDel_noAF
Benign
-0.55
CADD
Benign
13
DANN
Benign
0.69
DEOGEN2
Benign
0.053
T
Eigen
Benign
-0.81
Eigen_PC
Benign
-0.95
FATHMM_MKL
Benign
0.021
N
LIST_S2
Benign
0.57
T
M_CAP
Benign
0.0040
T
MetaRNN
Benign
0.14
T
MetaSVM
Benign
-0.99
T
MutationAssessor
Uncertain
2.2
M
MutationTaster
Benign
1.0
D;N
PrimateAI
Benign
0.25
T
PROVEAN
Pathogenic
-4.5
D
REVEL
Benign
0.086
Sift
Benign
0.13
T
Sift4G
Uncertain
0.014
D
Polyphen
0.46
P
Vest4
0.22
MutPred
0.66
Gain of glycosylation at C63 (P = 0.0272);
MVP
0.11
MPC
0.63
ClinPred
0.15
T
GERP RS
1.6
Varity_R
0.20
gMVP
0.045

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs781986596; hg19: chr21-46117303; API