Genetic Variant NEK8:p.Met413Val (chr17-28738685-A-G) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_178170.3(NEK8):c.1237A>G(p.Met413Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,172 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 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. M413L) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

NEK8
NM_178170.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.93

Publications

2 publications found

Variant links:

Genes affected

NEK8 (HGNC:13387): (NIMA related kinase 8) This gene encodes a member of the serine/threionine protein kinase family related to NIMA (never in mitosis, gene A) of Aspergillus nidulans. The encoded protein may play a role in cell cycle progression from G2 to M phase. Mutations in the related mouse gene are associated with a disease phenotype that closely parallels the juvenile autosomal recessive form of polycystic kidney disease in humans. [provided by RefSeq, Jul 2008]

NEK8 Gene-Disease associations (from GenCC):

renal-hepatic-pancreatic dysplasia 2
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: ClinGen, G2P, Ambry Genetics
autosomal dominant polycystic kidney disease
Inheritance: AD Classification: STRONG Submitted by: ClinGen
nephronophthisis 9
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
polycystic kidney disease 8
Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
nephronophthisis 2
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
renal-hepatic-pancreatic dysplasia
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

NEK8 links:

ENSG00000265073 (HGNC:):

ENSG00000265073 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.809

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NEK8	NM_178170.3 link	c.1237A>G	p.Met413Val	missense_variant	Exon 9 of 15	ENST00000268766.11	NP_835464.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein
NEK8	ENST00000268766.11 link	c.1237A>G	p.Met413Val	missense_variant	Exon 9 of 15	1	NM_178170.3	ENSP00000268766.6
NEK8	ENST00000543014.1 link	n.*14A>G		non_coding_transcript_exon_variant	Exon 8 of 11	2		ENSP00000465859.1
NEK8	ENST00000543014.1 link	n.*14A>G		3_prime_UTR_variant	Exon 8 of 11	2		ENSP00000465859.1
ENSG00000265073	ENST00000584779.1 link	n.417+3664T>C		intron_variant	Intron 1 of 1	5

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152172

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152172

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74316

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41438

American (AMR)

AF:

0.00

AC:

AN:

15272

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5206

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000113

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.43

BayesDel_addAF

Pathogenic

0.37

BayesDel_noAF

Pathogenic

0.29

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.30

Eigen

Uncertain

0.43

Eigen_PC

Uncertain

0.54

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.94

M_CAP

Uncertain

0.15

MetaRNN

Pathogenic

0.81

MetaSVM

Uncertain

-0.14

MutationAssessor

Benign

0.90

PhyloP100

8.9

PrimateAI

Pathogenic

0.80

PROVEAN

Benign

-2.0

REVEL

Pathogenic

0.69

Sift

Uncertain

0.0060

Sift4G

Benign

0.14

Vest4

0.87

ClinPred

0.76

GERP RS

6.0

Varity_R

0.58

Mutation Taster

=52/48

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