19-45940351-C-T

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_002516.4(NOVA2):​c.991G>A​(p.Ala331Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000456 in 1,336,300 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000074 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000042 ( 1 hom. )

Consequence

NOVA2
NM_002516.4 missense

Scores

1
1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.69
Variant links:
Genes affected
NOVA2 (HGNC:7887): (NOVA alternative splicing regulator 2) Enables sequence-specific mRNA binding activity. Involved in neuron differentiation and regulation of alternative mRNA splicing, via spliceosome. Predicted to be active in cytoplasm and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0555315).
BS2
High AC in GnomAd4 at 11 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NOVA2NM_002516.4 linkuse as main transcriptc.991G>A p.Ala331Thr missense_variant 4/4 ENST00000263257.6 NP_002507.1 Q9UNW9
NOVA2XM_006723230.4 linkuse as main transcriptc.664G>A p.Ala222Thr missense_variant 5/5 XP_006723293.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NOVA2ENST00000263257.6 linkuse as main transcriptc.991G>A p.Ala331Thr missense_variant 4/41 NM_002516.4 ENSP00000263257.4 Q9UNW9
NOVA2ENST00000676183.1 linkuse as main transcriptc.1183G>A p.Ala395Thr missense_variant 4/4 ENSP00000501708.1 A0A6Q8PFC2

Frequencies

GnomAD3 genomes
AF:
0.0000736
AC:
11
AN:
149506
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000666
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000208
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000119
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000122
AC:
6
AN:
49246
Hom.:
1
AF XY:
0.000101
AC XY:
3
AN XY:
29614
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000283
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000932
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000106
Gnomad OTH exome
AF:
0.000705
GnomAD4 exome
AF:
0.0000421
AC:
50
AN:
1186794
Hom.:
1
Cov.:
30
AF XY:
0.0000429
AC XY:
25
AN XY:
582844
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000132
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000124
Gnomad4 FIN exome
AF:
0.0000949
Gnomad4 NFE exome
AF:
0.0000350
Gnomad4 OTH exome
AF:
0.0000861
GnomAD4 genome
AF:
0.0000736
AC:
11
AN:
149506
Hom.:
0
Cov.:
32
AF XY:
0.0000686
AC XY:
5
AN XY:
72876
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000666
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000208
Gnomad4 NFE
AF:
0.000119
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000356
Hom.:
0
Bravo
AF:
0.0000642
ExAC
AF:
0.0000217
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenMay 01, 2024NOVA2: PP2 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.24
BayesDel_addAF
Benign
-0.45
T
BayesDel_noAF
Benign
-0.58
CADD
Benign
19
DANN
Benign
0.97
DEOGEN2
Benign
0.12
T
Eigen
Benign
-0.72
Eigen_PC
Benign
-0.67
FATHMM_MKL
Uncertain
0.79
D
LIST_S2
Benign
0.78
T
M_CAP
Benign
0.033
D
MetaRNN
Benign
0.056
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.9
L
PrimateAI
Pathogenic
0.93
D
PROVEAN
Benign
-0.24
N
REVEL
Benign
0.056
Sift
Benign
0.64
T
Sift4G
Benign
0.43
T
Polyphen
0.0020
B
Vest4
0.12
MutPred
0.33
Gain of glycosylation at A331 (P = 0.0087);
MVP
0.23
ClinPred
0.034
T
GERP RS
-0.083
Varity_R
0.083
gMVP
0.47

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs756083426; hg19: chr19-46443609; API