Genetic Variant NME8:p.Phe447Leu (chr7-37888370-C-G) – 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_016616.5(NME8):c.1341C>G(p.Phe447Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,461,134 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

NME8
NM_016616.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.43

Publications

2 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: 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
NME8	NM_016616.5 link	c.1341C>G	p.Phe447Leu	missense_variant	Exon 15 of 18	ENST00000199447.9	NP_057700.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NME8	ENST00000199447.9 link	c.1341C>G	p.Phe447Leu	missense_variant	Exon 15 of 18	1	NM_016616.5	ENSP00000199447.4
ENSG00000290149	ENST00000476620.1 link	c.-38+31025C>G		intron_variant	Intron 2 of 3	4		ENSP00000425858.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461134

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726888

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33462

American (AMR)

AF:

0.00

AC:

AN:

44614

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26106

East Asian (EAS)

AF:

0.00

AC:

AN:

39670

South Asian (SAS)

AF:

0.00

AC:

AN:

86246

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53386

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1111528

Other (OTH)

AF:

0.00

AC:

AN:

60358

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

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

AlphaMissense

Pathogenic

0.75

BayesDel_addAF

Benign

-0.022

BayesDel_noAF

Benign

-0.27

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.096

T;T

Eigen

Pathogenic

0.68

Eigen_PC

Uncertain

0.62

FATHMM_MKL

Uncertain

0.93

LIST_S2

Benign

0.0

.;T

M_CAP

Benign

0.022

MetaRNN

Uncertain

0.62

D;D

MetaSVM

Benign

-0.46

MutationAssessor

Uncertain

2.5

M;M

PhyloP100

4.4

PrimateAI

Benign

0.48

PROVEAN

Pathogenic

-5.0

D;D

REVEL

Benign

0.24

Sift

Uncertain

0.014

D;D

Sift4G

Uncertain

0.014

D;D

Vest4

0.61

ClinPred

0.99

GERP RS

4.4

Varity_R

0.54

gMVP

0.77

Mutation Taster

=59/41

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