chr17-41041054-C-T

Variant summary

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

The NM_030967.3(KRTAP1-1):​c.344G>A​(p.Arg115His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000285 in 1,613,766 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000024 ( 0 hom. )

Consequence

KRTAP1-1
NM_030967.3 missense

Scores

1
8
9

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.06
Variant links:
Genes affected
KRTAP1-1 (HGNC:16772): (keratin associated protein 1-1) 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 high sulfur KAP family and the gene is localized to a cluster of KAPs at 17q12-q21. [provided by RefSeq, Jul 2008]

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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=0.1739383).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
KRTAP1-1NM_030967.3 linkc.344G>A p.Arg115His missense_variant 1/1 ENST00000306271.5 NP_112229.1 Q07627

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
KRTAP1-1ENST00000306271.5 linkc.344G>A p.Arg115His missense_variant 1/16 NM_030967.3 ENSP00000305975.4 Q07627

Frequencies

GnomAD3 genomes
AF:
0.0000723
AC:
11
AN:
152224
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000265
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
GnomAD3 exomes
AF:
0.0000563
AC:
14
AN:
248576
Hom.:
0
AF XY:
0.0000370
AC XY:
5
AN XY:
135034
show subpopulations
Gnomad AFR exome
AF:
0.000786
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000557
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000887
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000239
AC:
35
AN:
1461424
Hom.:
0
Cov.:
32
AF XY:
0.0000124
AC XY:
9
AN XY:
727046
show subpopulations
Gnomad4 AFR exome
AF:
0.000568
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000989
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000722
AC:
11
AN:
152342
Hom.:
0
Cov.:
33
AF XY:
0.0000940
AC XY:
7
AN XY:
74506
show subpopulations
Gnomad4 AFR
AF:
0.000265
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:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000565
Hom.:
0
Bravo
AF:
0.000144
ESP6500AA
AF:
0.000496
AC:
2
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000579
AC:
7
EpiCase
AF:
0.000109
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 GeneticsJul 14, 2024The c.344G>A (p.R115H) alteration is located in exon 1 (coding exon 1) of the KRTAP1-1 gene. This alteration results from a G to A substitution at nucleotide position 344, causing the arginine (R) at amino acid position 115 to be replaced by a histidine (H). 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
0.18
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.12
CADD
Uncertain
25
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.0066
T
Eigen
Uncertain
0.59
Eigen_PC
Uncertain
0.46
FATHMM_MKL
Benign
0.75
D
M_CAP
Benign
0.0078
T
MetaRNN
Benign
0.17
T
MetaSVM
Uncertain
-0.22
T
MutationAssessor
Uncertain
2.7
M
PrimateAI
Uncertain
0.50
T
PROVEAN
Uncertain
-3.4
D
REVEL
Benign
0.29
Sift
Uncertain
0.0070
D
Sift4G
Uncertain
0.010
D
Polyphen
1.0
D
Vest4
0.42
MVP
0.57
MPC
1.0
ClinPred
0.44
T
GERP RS
4.5
Varity_R
0.22
gMVP
0.14

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs377608847; hg19: chr17-39197306; COSMIC: COSV60398826; API