dbSNP rs148165391: NAV2:p.Tyr52Ser (chr11-19713850-A-C) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_145117.5(NAV2):c.155A>C(p.Tyr52Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,290 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Y52C) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

NAV2
NM_145117.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.20

Publications

0 publications found

Variant links:

Genes affected

NAV2 (HGNC:15997): (neuron navigator 2) This gene encodes a member of the neuron navigator gene family, which may play a role in cellular growth and migration. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2011]

NAV2 links:

LEISA1 (HGNC:55264): (lncRNA enhancing IL-6/STAT3 signaling activation 1)

LEISA1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.3114677).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NAV2	NM_145117.5 link	c.155A>C	p.Tyr52Ser	missense_variant	Exon 1 of 38	ENST00000349880.9	NP_660093.2	Q8IVL1-3A7E2D6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
NAV2	ENST00000349880.9 link	c.155A>C	p.Tyr52Ser	missense_variant	Exon 1 of 38	1	NM_145117.5	ENSP00000309577.6	Q8IVL1-3
NAV2	ENST00000360655.8 link	c.76-118634A>C		intron_variant	Intron 1 of 37	1		ENSP00000353871.4	Q8IVL1-4
NAV2	ENST00000396087.7 link	c.155A>C	p.Tyr52Ser	missense_variant	Exon 1 of 41	5		ENSP00000379396.3	Q8IVL1-1
NAV2	ENST00000396085.6 link	c.155A>C	p.Tyr52Ser	missense_variant	Exon 1 of 39	5		ENSP00000379394.1	Q8IVL1-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461290

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726940

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52990

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111888

Other (OTH)

AF:

0.00

AC:

AN:

60360

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

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

Benign

0.11

BayesDel_addAF

Benign

-0.041

BayesDel_noAF

Benign

-0.30

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.021

.;.;T;.;T

Eigen

Benign

-0.13

Eigen_PC

Benign

-0.058

FATHMM_MKL

Uncertain

0.80

LIST_S2

Benign

0.78

T;T;T;T;T

M_CAP

Benign

0.044

MetaRNN

Benign

0.31

T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.0

N;.;.;N;N

PhyloP100

3.2

PrimateAI

Uncertain

0.66

PROVEAN

Benign

-0.49

N;.;.;N;N

REVEL

Benign

0.26

Sift

Benign

0.031

D;.;.;D;D

Sift4G

Benign

0.15

T;T;T;T;T

Polyphen

0.95

.;.;.;P;.

Vest4

0.61

MutPred

0.27

Loss of catalytic residue at Y52 (P = 0.0363);Loss of catalytic residue at Y52 (P = 0.0363);Loss of catalytic residue at Y52 (P = 0.0363);Loss of catalytic residue at Y52 (P = 0.0363);Loss of catalytic residue at Y52 (P = 0.0363);

MVP

0.043

MPC

0.79

ClinPred

0.68

GERP RS

2.9

PromoterAI

0.0092

Neutral

(source)

Varity_R

0.11

gMVP

0.62

Mutation Taster

=96/4

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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rs148165391

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