Genetic Variant SPINK5:p.Asp244Tyr (chr5-148094417-G-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_006846.4(SPINK5):c.730G>T(p.Asp244Tyr) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D244N) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

SPINK5
NM_006846.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.37

Publications

1 publications found

Variant links:

Genes affected

SPINK5 (HGNC:15464): (serine peptidase inhibitor Kazal type 5) This gene encodes a multidomain serine protease inhibitor that contains 15 potential inhibitory domains. The encoded preproprotein is proteolytically processed to generate multiple protein products, which may exhibit unique activities and specificities. These proteins may play a role in skin and hair morphogenesis, as well as anti-inflammatory and antimicrobial protection of mucous epithelia. Mutations in this gene may result in Netherton syndrome, a disorder characterized by ichthyosis, defective cornification, and atopy. This gene is present in a gene cluster on chromosome 5. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2015]

SPINK5 links:

FBXO38-DT (HGNC:55589): (FBXO38 divergent transcript)

FBXO38-DT links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SPINK5	NM_006846.4 link	c.730G>T	p.Asp244Tyr	missense_variant	Exon 9 of 33	ENST00000256084.8	NP_006837.2	Q9NQ38-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SPINK5	ENST00000256084.8 link	c.730G>T	p.Asp244Tyr	missense_variant	Exon 9 of 33	1	NM_006846.4	ENSP00000256084.7		Q9NQ38-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00

AC:

AN:

249340

AF XY:

0.00

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1460732

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726710

African (AFR)

AF:

0.00

AC:

AN:

33384

American (AMR)

AF:

0.00

AC:

AN:

44648

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26072

East Asian (EAS)

AF:

0.00

AC:

AN:

39676

South Asian (SAS)

AF:

0.00

AC:

AN:

86240

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111216

Other (OTH)

AF:

0.00

AC:

AN:

60318

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.36

BayesDel_addAF

Uncertain

0.13

BayesDel_noAF

Uncertain

-0.060

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.23

.;.;.;T

Eigen

Pathogenic

0.81

Eigen_PC

Pathogenic

0.75

FATHMM_MKL

Uncertain

0.89

LIST_S2

Uncertain

0.92

D;D;D;D

M_CAP

Benign

0.018

MetaRNN

Uncertain

0.71

D;D;D;D

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.8

M;M;.;M

PhyloP100

5.4

PrimateAI

Uncertain

0.48

PROVEAN

Uncertain

-4.2

D;D;D;D

REVEL

Benign

0.22

Sift

Uncertain

0.0020

D;D;D;D

Sift4G

Uncertain

0.0060

D;D;D;D

Polyphen

1.0

D;D;.;D

Vest4

0.81

MutPred

0.65

Loss of disorder (P = 0.0337);Loss of disorder (P = 0.0337);.;Loss of disorder (P = 0.0337);

MVP

0.42

MPC

0.54

ClinPred

1.0

GERP RS

5.0

Varity_R

0.72

gMVP

0.56

Mutation Taster

=70/30

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over