21-30718728-C-T

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001164435.1(KRTAP21-3):​c.32G>A​(p.Ser11Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000175 in 1,538,824 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000079 ( 0 hom. )

Consequence

KRTAP21-3
NM_001164435.1 missense

Scores

1
1
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.679

Publications

0 publications found
Variant links:
Genes affected
KRTAP21-3 (HGNC:34216): (keratin associated protein 21-3) Predicted to be located in external side of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.04968819).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001164435.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
KRTAP21-3
NM_001164435.1
MANE Select
c.32G>Ap.Ser11Asn
missense
Exon 1 of 1NP_001157907.1Q3LHN1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
KRTAP21-3
ENST00000444335.1
TSL:6 MANE Select
c.32G>Ap.Ser11Asn
missense
Exon 1 of 1ENSP00000404517.1Q3LHN1
ENSG00000295670
ENST00000731715.1
n.137+6789G>A
intron
N/A

Frequencies

GnomAD3 genomes
AF:
0.000105
AC:
16
AN:
152186
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000386
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000698
AC:
1
AN:
143358
AF XY:
0.00
show subpopulations
Gnomad AFR exome
AF:
0.000136
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000793
AC:
11
AN:
1386520
Hom.:
0
Cov.:
31
AF XY:
0.00000585
AC XY:
4
AN XY:
683396
show subpopulations
African (AFR)
AF:
0.000292
AC:
9
AN:
30840
American (AMR)
AF:
0.0000307
AC:
1
AN:
32530
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
24888
East Asian (EAS)
AF:
0.00
AC:
0
AN:
35048
South Asian (SAS)
AF:
0.00
AC:
0
AN:
76072
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
49186
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5658
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1074756
Other (OTH)
AF:
0.0000174
AC:
1
AN:
57542
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.530
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000105
AC:
16
AN:
152304
Hom.:
0
Cov.:
32
AF XY:
0.000107
AC XY:
8
AN XY:
74468
show subpopulations
African (AFR)
AF:
0.000385
AC:
16
AN:
41572
American (AMR)
AF:
0.00
AC:
0
AN:
15298
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10610
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68028
Other (OTH)
AF:
0.00
AC:
0
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.484
Heterozygous variant carriers
0
1
3
4
6
7
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000329
Hom.:
0
Bravo
AF:
0.000136

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.24
BayesDel_addAF
Benign
-0.57
T
BayesDel_noAF
Benign
-0.81
CADD
Benign
7.0
DANN
Benign
0.81
DEOGEN2
Benign
0.041
T
Eigen
Benign
-0.76
Eigen_PC
Benign
-0.95
FATHMM_MKL
Benign
0.074
N
M_CAP
Benign
0.0020
T
MetaRNN
Benign
0.050
T
MetaSVM
Benign
-0.95
T
PhyloP100
-0.68
PrimateAI
Benign
0.27
T
PROVEAN
Uncertain
-3.0
D
REVEL
Benign
0.061
Sift4G
Pathogenic
0.0
D
Vest4
0.087
MutPred
0.21
Loss of glycosylation at S11 (P = 0.0414)
MVP
0.030
ClinPred
0.073
T
GERP RS
-0.61
Varity_R
0.36
gMVP
0.0026
Mutation Taster
=100/0
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs557522417; hg19: chr21-32091046; API