NM_145117.5:c.197T>A

Variant names:

• chr11-19713892-T-A
• rs2050046780
• NM_145117.5:c.197T>A

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_145117.5(NAV2):​c.197T>A​(p.Leu66Gln) 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 1,461,320 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: NAV2 NM_145117.5 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 3.29
• Publications: 0 publications found

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]

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

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.11611563).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_145117.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NAV2	NM_145117.5	MANE Select	c.197T>A	p.Leu66Gln	missense	Exon 1 of 38	NP_660093.2
	NAV2	NM_001244963.2		c.197T>A	p.Leu66Gln	missense	Exon 1 of 41	NP_001231892.1	Q8IVL1-1
	NAV2	NM_182964.6		c.197T>A	p.Leu66Gln	missense	Exon 1 of 39	NP_892009.3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NAV2	ENST00000349880.9	TSL:1 MANE Select	c.197T>A	p.Leu66Gln	missense	Exon 1 of 38	ENSP00000309577.6	Q8IVL1-3
	NAV2	ENST00000360655.8	TSL:1	c.76-118592T>A		intron	N/A	ENSP00000353871.4	Q8IVL1-4
	NAV2	ENST00000396087.7	TSL:5	c.197T>A	p.Leu66Gln	missense	Exon 1 of 41	ENSP00000379396.3	Q8IVL1-1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461320 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 726966

African (AFR) AF: 0.00 AC: 0 AN: 33478

American (AMR) AF: 0.00 AC: 0 AN: 44722

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 52958

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1111938

Other (OTH) AF: 0.00 AC: 0 AN: 60364

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.055
BayesDel_addAF	Benign	-0.045	T
BayesDel_noAF	Benign	-0.30
CADD	Benign	22
DANN	Benign	0.95
DEOGEN2	Benign	0.0067	T
Eigen	Benign	-0.21
Eigen_PC	Benign	0.0087
FATHMM_MKL	Uncertain	0.94	D
LIST_S2	Benign	0.55	T
M_CAP	Benign	0.060	D
MetaRNN	Benign	0.12	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.0	N
PhyloP100		3.3
PrimateAI	Uncertain	0.58	T
PROVEAN	Benign	0.38	N
REVEL	Benign	0.099
Sift	Benign	0.20	T
Sift4G	Uncertain	0.051	T
Polyphen		0.050	B
Vest4		0.18
MutPred		0.40		Gain of helix (P = 0.0225)
MVP		0.043
MPC		0.53
ClinPred		0.59	D
GERP RS		5.1
PromoterAI		0.030	Neutral
Varity_R		0.19
gMVP		0.24
Mutation Taster		=95/5	polymorphism

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

Other links and lift over

dbSNP: rs2050046780; hg19: chr11-19735438;