17-41307906-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001146182.2(KRTAP16-1):​c.1348C>T​(p.Arg450Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000089 in 1,550,670 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 0.000092 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000089 ( 0 hom. )

Consequence

KRTAP16-1
NM_001146182.2 missense

Scores

3
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.35
Variant links:
Genes affected
KRTAP16-1 (HGNC:18916): (keratin associated protein 16-1) Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.008969218).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
KRTAP16-1NM_001146182.2 linkuse as main transcriptc.1348C>T p.Arg450Cys missense_variant 1/1 ENST00000391352.2 NP_001139654.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
KRTAP16-1ENST00000391352.2 linkuse as main transcriptc.1348C>T p.Arg450Cys missense_variant 1/1 NM_001146182.2 ENSP00000375147 P1

Frequencies

GnomAD3 genomes
AF:
0.0000920
AC:
14
AN:
152184
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000458
Gnomad ASJ
AF:
0.00144
Gnomad EAS
AF:
0.000386
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:
0.000222
AC:
33
AN:
148738
Hom.:
0
AF XY:
0.000137
AC XY:
11
AN XY:
80004
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000122
Gnomad ASJ exome
AF:
0.00311
Gnomad EAS exome
AF:
0.0000926
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000366
Gnomad OTH exome
AF:
0.000232
GnomAD4 exome
AF:
0.0000887
AC:
124
AN:
1398368
Hom.:
0
Cov.:
38
AF XY:
0.0000855
AC XY:
59
AN XY:
689694
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000112
Gnomad4 ASJ exome
AF:
0.00353
Gnomad4 EAS exome
AF:
0.0000280
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000139
Gnomad4 OTH exome
AF:
0.000241
GnomAD4 genome
AF:
0.0000919
AC:
14
AN:
152302
Hom.:
0
Cov.:
32
AF XY:
0.0000940
AC XY:
7
AN XY:
74464
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000458
Gnomad4 ASJ
AF:
0.00144
Gnomad4 EAS
AF:
0.000386
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000315
Hom.:
0
Bravo
AF:
0.000132
ExAC
AF:
0.000170
AC:
4
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

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 GeneticsDec 21, 2023The c.1348C>T (p.R450C) alteration is located in exon 1 (coding exon 1) of the KRTAP16-1 gene. This alteration results from a C to T substitution at nucleotide position 1348, causing the arginine (R) at amino acid position 450 to be replaced by a cysteine (C). 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
0.094
BayesDel_addAF
Benign
-0.34
T
BayesDel_noAF
Benign
-0.52
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.0093
T
Eigen
Benign
-0.60
Eigen_PC
Benign
-0.66
FATHMM_MKL
Benign
0.13
N
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.0090
T
MetaSVM
Benign
-0.87
T
MutationAssessor
Benign
0.81
L
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.24
T
PROVEAN
Benign
-2.1
N
REVEL
Benign
0.080
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0040
D
Vest4
0.093
MutPred
0.40
Gain of catalytic residue at S452 (P = 0.0256);
MVP
0.38
ClinPred
0.098
T
GERP RS
2.3
Varity_R
0.098
gMVP
0.064

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: rs528350835; hg19: chr17-39464158; API