17-41226665-G-A

Variant summary

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

The NM_031961.3(KRTAP9-2):​c.11G>A​(p.Cys4Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 36)
Exomes 𝑓: 0.000032 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

KRTAP9-2
NM_031961.3 missense

Scores

4
2
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.25
Variant links:
Genes affected
KRTAP9-2 (HGNC:16926): (keratin associated protein 9-2) This protein is a member of the keratin-associated protein (KAP) family. The KAP proteins form a matrix of keratin intermediate filaments which contribute to the structure of hair fibers. KAP family members appear to have unique, family-specific amino- and carboxyl-terminal regions and are subdivided into three multi-gene families according to amino acid composition: the high sulfur, the ultrahigh sulfur, and the high tyrosine/glycine KAPs. This protein is a member of the ultrahigh sulfur KAP family and the gene is localized to a cluster of KAPs at 17q12-q21. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
KRTAP9-2NM_031961.3 linkuse as main transcriptc.11G>A p.Cys4Tyr missense_variant 1/1 ENST00000377721.3 NP_114167.2 Q9BYQ4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
KRTAP9-2ENST00000377721.3 linkuse as main transcriptc.11G>A p.Cys4Tyr missense_variant 1/16 NM_031961.3 ENSP00000366950.3 Q9BYQ4

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152166
Hom.:
0
Cov.:
36
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.0000322
AC:
47
AN:
1457828
Hom.:
0
Cov.:
162
AF XY:
0.0000345
AC XY:
25
AN XY:
725338
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:
0.0000414
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.00000657
AC:
1
AN:
152166
Hom.:
0
Cov.:
36
AF XY:
0.0000135
AC XY:
1
AN XY:
74326
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:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000337
Hom.:
0
ExAC
AF:
0.000280
AC:
34

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 GeneticsJun 21, 2022The c.11G>A (p.C4Y) alteration is located in exon 1 (coding exon 1) of the KRTAP9-2 gene. This alteration results from a G to A substitution at nucleotide position 11, causing the cysteine (C) at amino acid position 4 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
0.31
BayesDel_addAF
Benign
-0.079
T
BayesDel_noAF
Benign
-0.35
CADD
Benign
19
DANN
Benign
0.86
DEOGEN2
Benign
0.23
T
Eigen
Benign
0.11
Eigen_PC
Benign
0.095
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Benign
0.82
T
M_CAP
Benign
0.0074
T
MetaRNN
Uncertain
0.55
D
MetaSVM
Benign
-1.1
T
MutationAssessor
Pathogenic
3.3
M
MutationTaster
Benign
0.56
N;N
PrimateAI
Benign
0.41
T
PROVEAN
Pathogenic
-9.9
D
REVEL
Benign
0.19
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
0.26
B
Vest4
0.50
MVP
0.36
MPC
1.8
ClinPred
0.82
D
GERP RS
3.0
Varity_R
0.86
gMVP
0.21

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
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: rs775019273; hg19: chr17-39382917; COSMIC: COSV66647045; API