rs1375582289

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP4

The NM_033032.3(KRTAP2-2):​c.240C>G​(p.Cys80Trp) variant causes a missense change. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. C80S) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00029 ( 0 hom., cov: 14)
Exomes 𝑓: 0.0022 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

KRTAP2-2
NM_033032.3 missense

Scores

5
8
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.81

Publications

0 publications found
Variant links:
Genes affected
KRTAP2-2 (HGNC:18905): (keratin associated protein 2-2) Predicted to be located in cytosol. [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 -1 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.34756345).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_033032.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
KRTAP2-2
NM_033032.3
MANE Select
c.240C>Gp.Cys80Trp
missense
Exon 1 of 1NP_149021.2Q9BYT5

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
KRTAP2-2
ENST00000398477.1
TSL:6 MANE Select
c.240C>Gp.Cys80Trp
missense
Exon 1 of 1ENSP00000381494.1Q9BYT5
ENSG00000306126
ENST00000815517.1
n.220-5327G>C
intron
N/A
ENSG00000306126
ENST00000815518.1
n.160-5327G>C
intron
N/A

Frequencies

GnomAD3 genomes
AF:
0.000289
AC:
32
AN:
110882
Hom.:
0
Cov.:
14
show subpopulations
Gnomad AFR
AF:
0.0000703
Gnomad AMI
AF:
0.00140
Gnomad AMR
AF:
0.000282
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000217
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00110
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000325
Gnomad OTH
AF:
0.000713
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.00217
AC:
2173
AN:
1003458
Hom.:
0
Cov.:
17
AF XY:
0.00229
AC XY:
1140
AN XY:
498214
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.000685
AC:
17
AN:
24814
American (AMR)
AF:
0.00172
AC:
49
AN:
28420
Ashkenazi Jewish (ASJ)
AF:
0.00443
AC:
83
AN:
18730
East Asian (EAS)
AF:
0.00134
AC:
46
AN:
34448
South Asian (SAS)
AF:
0.00187
AC:
120
AN:
64138
European-Finnish (FIN)
AF:
0.00803
AC:
231
AN:
28762
Middle Eastern (MID)
AF:
0.00344
AC:
11
AN:
3194
European-Non Finnish (NFE)
AF:
0.00197
AC:
1488
AN:
756092
Other (OTH)
AF:
0.00285
AC:
128
AN:
44860
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.261
Heterozygous variant carriers
0
261
522
783
1044
1305
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<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
Data not reliable, filtered out with message: AS_VQSR
AF:
0.000288
AC:
32
AN:
110966
Hom.:
0
Cov.:
14
AF XY:
0.000232
AC XY:
12
AN XY:
51704
show subpopulations
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.0000700
AC:
2
AN:
28566
American (AMR)
AF:
0.000281
AC:
3
AN:
10666
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
2834
East Asian (EAS)
AF:
0.000217
AC:
1
AN:
4598
South Asian (SAS)
AF:
0.00
AC:
0
AN:
3274
European-Finnish (FIN)
AF:
0.00110
AC:
7
AN:
6356
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
264
European-Non Finnish (NFE)
AF:
0.000325
AC:
17
AN:
52278
Other (OTH)
AF:
0.000705
AC:
1
AN:
1418
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.320
Heterozygous variant carriers
0
3
5
8
10
13
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:
0.000122
Hom.:
0

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
Pathogenic
0.86
BayesDel_addAF
Uncertain
0.054
T
BayesDel_noAF
Benign
-0.16
CADD
Pathogenic
26
DANN
Uncertain
0.99
DEOGEN2
Benign
0.078
T
Eigen
Pathogenic
0.74
Eigen_PC
Pathogenic
0.71
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Benign
0.78
T
M_CAP
Benign
0.015
T
MetaRNN
Benign
0.35
T
MetaSVM
Uncertain
-0.25
T
MutationAssessor
Uncertain
2.8
M
PhyloP100
3.8
PrimateAI
Pathogenic
0.85
D
PROVEAN
Pathogenic
-5.1
D
REVEL
Uncertain
0.32
Sift
Uncertain
0.022
D
Sift4G
Uncertain
0.0060
D
Vest4
0.34
MutPred
0.56
Gain of glycosylation at T78 (P = 0.0612)
MVP
0.46
ClinPred
0.99
D
GERP RS
5.0
PromoterAI
0.0096
Neutral
Varity_R
0.45
gMVP
0.050
Mutation Taster
=48/52
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs1375582289; hg19: chr17-39211224; API