Genetic Variant KRTAP4-3:p.Ser158Ser (chr17-41167699-A-G) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_033187.2(KRTAP4-3):c.474T>C(p.Ser158Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000041 in 1,461,690 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

KRTAP4-3
NM_033187.2 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.801

Publications

0 publications found

Variant links:

Genes affected

KRTAP4-3 (HGNC:18908): (keratin associated protein 4-3) Involved in aging and hair cycle. Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

KRTAP4-3 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.93).

BP7

Synonymous conserved (PhyloP=-0.801 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KRTAP4-3	NM_033187.2 link	c.474T>C	p.Ser158Ser	synonymous_variant	Exon 1 of 1	ENST00000391356.4	NP_149443.1	Q9BYR4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KRTAP4-3	ENST00000391356.4 link	c.474T>C	p.Ser158Ser	synonymous_variant	Exon 1 of 1	6	NM_033187.2	ENSP00000375151.2		Q9BYR4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000410

AC:

AN:

1461690

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727140

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33458

American (AMR)

AF:

0.00

AC:

AN:

44668

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86222

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53412

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.00000540

AC:

AN:

1111948

Other (OTH)

AF:

0.00

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.93

CADD

Benign

1.2

(source)

DANN

Benign

0.47

PhyloP100

-0.80

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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chr17-41167699-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over