Genetic Variant NM_001012416.1:c.46G>A (chr11-1697291-G-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001012416.1(KRTAP5-6):c.46G>A(p.Gly16Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,460,768 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict 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. G16V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

KRTAP5-6
NM_001012416.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.756

Publications

0 publications found

Variant links:

Genes affected

KRTAP5-6 (HGNC:23600): (keratin associated protein 5-6) Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

KRTAP5-6 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.10841775).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KRTAP5-6	NM_001012416.1 link	c.46G>A	p.Gly16Ser	missense_variant	Exon 1 of 1	ENST00000382160.1	NP_001012416.1	Q6L8G9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KRTAP5-6	ENST00000382160.1 link	c.46G>A	p.Gly16Ser	missense_variant	Exon 1 of 1	6	NM_001012416.1	ENSP00000371595.1		Q6L8G9

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1460768

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726706

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33400

American (AMR)

AF:

0.00

AC:

AN:

44682

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86172

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53412

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5210

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1111728

Other (OTH)

AF:

0.00

AC:

AN:

60328

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jul 05, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.46G>A (p.G16S) alteration is located in exon 1 (coding exon 1) of the KRTAP5-6 gene. This alteration results from a G to A substitution at nucleotide position 46, causing the glycine (G) at amino acid position 16 to be replaced by a serine (S). 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

0.082

BayesDel_addAF

Benign

-0.27

BayesDel_noAF

Benign

-0.62

CADD

Benign

(source)

DANN

Benign

0.84

DEOGEN2

Benign

0.014

Eigen

Benign

-0.52

Eigen_PC

Benign

-0.48

FATHMM_MKL

Benign

0.53

M_CAP

Benign

0.0050

MetaRNN

Benign

0.11

MetaSVM

Benign

-0.97

MutationAssessor

Benign

2.0

PhyloP100

0.76

PROVEAN

Uncertain

-3.2

REVEL

Benign

0.087

Sift4G

Benign

0.52

Polyphen

0.019

Vest4

0.42

MutPred

0.098

Gain of phosphorylation at G16 (P = 0.0339);

MVP

0.24

MPC

0.015

ClinPred

0.096

GERP RS

2.5

PromoterAI

0.0090

Neutral

(source)

Varity_R

0.55

gMVP

0.039

Mutation Taster

=98/2

polymorphism

(source)

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

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NM_001012416.1:c.46G>A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over