Genetic Variant NME8:p.Leu426Ser (chr7-37888306-T-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_016616.5(NME8):c.1277T>C(p.Leu426Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000958 in 1,461,418 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict 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: 0.0000096 ( 0 hom. )

Consequence

NME8
NM_016616.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.796

Publications

6 publications found

Variant links:

Genes affected

NME8 (HGNC:16473): (NME/NM23 family member 8) This gene encodes a protein with an N-terminal thioredoxin domain and three C-terminal nucleoside diphosphate kinase (NDK) domains, but the NDK domains are thought to be catalytically inactive. The sea urchin ortholog of this gene encodes a component of sperm outer dynein arms, and the protein is implicated in ciliary function. Mutations in this gene are implicated in primary ciliary dyskinesia type 6.[provided by RefSeq, Nov 2009]

NME8 Gene-Disease associations (from GenCC):

primary ciliary dyskinesia
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
primary ciliary dyskinesia 6
Inheritance: AR Classification: LIMITED Submitted by: ClinGen, PanelApp Australia, Labcorp Genetics (formerly Invitae), Ambry Genetics

NME8 links:

ENSG00000290149 (HGNC:):

ENSG00000290149 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.1376636).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NME8	NM_016616.5 link	c.1277T>C	p.Leu426Ser	missense_variant	Exon 15 of 18	ENST00000199447.9	NP_057700.3	Q8N427

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NME8	ENST00000199447.9 link	c.1277T>C	p.Leu426Ser	missense_variant	Exon 15 of 18	1	NM_016616.5	ENSP00000199447.4		Q8N427
ENSG00000290149	ENST00000476620.1 link	c.-38+30961T>C		intron_variant	Intron 2 of 3	4		ENSP00000425858.1		D6RIH7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000958

AC:

AN:

1461418

Hom.:

Cov.:

AF XY:

0.00000963

AC XY:

AN XY:

727018

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33460

American (AMR)

AF:

0.00

AC:

AN:

44658

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26116

East Asian (EAS)

AF:

0.00

AC:

AN:

39688

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53412

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.0000126

AC:

AN:

1111694

Other (OTH)

AF:

0.00

AC:

AN:

60376

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.493

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.27

BayesDel_addAF

Benign

-0.19

BayesDel_noAF

Benign

-0.52

CADD

Benign

(source)

DANN

Benign

0.60

DEOGEN2

Benign

0.0074

T;T

Eigen

Benign

-0.76

Eigen_PC

Benign

-0.72

FATHMM_MKL

Benign

0.077

LIST_S2

Benign

0.45

.;T

M_CAP

Benign

0.012

MetaRNN

Benign

0.14

T;T

MetaSVM

Benign

-0.98

MutationAssessor

Benign

1.3

L;L

PhyloP100

0.80

PrimateAI

Benign

0.33

PROVEAN

Benign

-0.47

N;N

REVEL

Benign

0.089

Sift

Benign

0.33

T;T

Sift4G

Benign

0.21

T;T

Polyphen

0.024

B;B

Vest4

0.27

MutPred

0.71

Gain of disorder (P = 0.0068);Gain of disorder (P = 0.0068);

MVP

0.41

MPC

0.088

ClinPred

0.14

GERP RS

3.3

Varity_R

0.12

gMVP

0.49

Mutation Taster

=98/2

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.060

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over