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GeneBe

1-107324435-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_001113226.3(NTNG1):ā€‹c.400A>Gā€‹(p.Ile134Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000821 in 1,461,654 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 0.0000082 ( 0 hom. )

Consequence

NTNG1
NM_001113226.3 missense

Scores

1
7
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.36
Variant links:
Genes affected
NTNG1 (HGNC:23319): (netrin G1) This gene encodes a preproprotein that is processed into a secreted protein containing eukaroytic growth factor (EGF)-like domains. This protein acts to guide axon growth during neuronal development. Polymorphisms in this gene may be associated with schizophrenia. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Aug 2015]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.34154844).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NTNG1NM_001113226.3 linkuse as main transcriptc.400A>G p.Ile134Val missense_variant 3/8 ENST00000370068.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NTNG1ENST00000370068.6 linkuse as main transcriptc.400A>G p.Ile134Val missense_variant 3/85 NM_001113226.3 P1Q9Y2I2-3

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000399
AC:
10
AN:
250396
Hom.:
0
AF XY:
0.0000370
AC XY:
5
AN XY:
135270
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000290
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000821
AC:
12
AN:
1461654
Hom.:
0
Cov.:
33
AF XY:
0.00000825
AC XY:
6
AN XY:
727128
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000269
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.0000302
ExAC
AF:
0.0000165
AC:
2

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJul 14, 2021The c.400A>G (p.I134V) alteration is located in exon 3 (coding exon 2) of the NTNG1 gene. This alteration results from a A to G substitution at nucleotide position 400, causing the isoleucine (I) at amino acid position 134 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.14
T
BayesDel_noAF
Benign
-0.14
CADD
Pathogenic
26
DANN
Uncertain
1.0
Eigen
Uncertain
0.49
Eigen_PC
Uncertain
0.57
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.96
D;D;D;.;D;.;D
M_CAP
Benign
0.025
D
MetaRNN
Benign
0.34
T;T;T;T;T;T;T
MetaSVM
Uncertain
-0.22
T
MutationAssessor
Benign
0.95
L;L;L;L;L;L;L
MutationTaster
Benign
1.0
D;D;D;D;D;D;D;D;D;D;D;D;D
PrimateAI
Uncertain
0.79
T
PROVEAN
Benign
-0.61
N;N;N;N;N;N;N
REVEL
Uncertain
0.36
Sift
Benign
0.18
T;T;T;T;T;T;T
Sift4G
Benign
0.086
T;T;T;T;T;T;T
Polyphen
0.13
B;D;P;D;.;B;.
Vest4
0.64
MutPred
0.64
Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);
MVP
0.73
MPC
1.5
ClinPred
0.29
T
GERP RS
5.8
Varity_R
0.13
gMVP
0.59

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: rs778565104; hg19: chr1-107867057; API