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GeneBe

10-69572509-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_020999.4(NEUROG3):c.535G>T(p.Ala179Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000693 in 1,442,528 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

NEUROG3
NM_020999.4 missense

Scores

1
18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.697
Variant links:
Genes affected
NEUROG3 (HGNC:13806): (neurogenin 3) The protein encoded by this gene is a basic helix-loop-helix (bHLH) transcription factor involved in neurogenesis. The encoded protein likely acts as a heterodimer with another bHLH protein. Defects in this gene are a cause of congenital malabsorptive diarrhea 4 (DIAR4).[provided by RefSeq, May 2010]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.071629256).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NEUROG3NM_020999.4 linkuse as main transcriptc.535G>T p.Ala179Ser missense_variant 2/2 ENST00000242462.5
NEUROG3XM_017016280.2 linkuse as main transcriptc.535G>T p.Ala179Ser missense_variant 2/2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NEUROG3ENST00000242462.5 linkuse as main transcriptc.535G>T p.Ala179Ser missense_variant 2/21 NM_020999.4 P1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000956
AC:
2
AN:
209296
Hom.:
0
AF XY:
0.00000870
AC XY:
1
AN XY:
114988
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000324
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000662
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:
6.93e-7
AC:
1
AN:
1442528
Hom.:
0
Cov.:
37
AF XY:
0.00
AC XY:
0
AN XY:
716328
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000239
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.:
33
ExAC
AF:
0.00000835
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 testingInvitaeMay 25, 2021In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with NEUROG3-related conditions. This variant is present in population databases (rs752155684, ExAC 0.03%). This sequence change replaces alanine with serine at codon 179 of the NEUROG3 protein (p.Ala179Ser). The alanine residue is moderately conserved and there is a moderate physicochemical difference between alanine and serine. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.085
BayesDel_addAF
Benign
-0.17
T
BayesDel_noAF
Benign
-0.30
Cadd
Benign
15
Dann
Benign
0.95
DEOGEN2
Benign
0.15
T
Eigen
Benign
-0.66
Eigen_PC
Benign
-0.57
FATHMM_MKL
Benign
0.38
N
LIST_S2
Benign
0.53
T
M_CAP
Benign
0.023
T
MetaRNN
Benign
0.072
T
MetaSVM
Benign
-0.45
T
MutationAssessor
Benign
1.0
L
MutationTaster
Benign
1.0
N
PrimateAI
Uncertain
0.65
T
PROVEAN
Benign
0.27
N
REVEL
Benign
0.19
Sift
Benign
0.13
T
Sift4G
Benign
0.60
T
Polyphen
0.16
B
Vest4
0.042
MutPred
0.20
Gain of glycosylation at A179 (P = 0.0017);
MVP
0.91
MPC
0.38
ClinPred
0.075
T
GERP RS
2.8
Varity_R
0.089
gMVP
0.63

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: rs752155684; hg19: chr10-71332265; API