chr10-69572472-C-T

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_020999.4(NEUROG3):c.572G>A(p.Arg191Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000132 in 1,590,236 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. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. R191R) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

NEUROG3
NM_020999.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.934

Publications

1 publications found

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]

NEUROG3 Gene-Disease associations (from GenCC):

congenital malabsorptive diarrhea 4
Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, PanelApp Australia, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
permanent neonatal diabetes mellitus
Inheritance: AR Classification: STRONG Submitted by: Genomics England PanelApp

NEUROG3 links:

ENSG00000236154 (HGNC:):

ENSG00000236154 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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=0.079775095).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NEUROG3	NM_020999.4 link	c.572G>A	p.Arg191Gln	missense_variant	Exon 2 of 2	ENST00000242462.5	NP_066279.2	Q9Y4Z2
NEUROG3	XM_017016280.2 link	c.572G>A	p.Arg191Gln	missense_variant	Exon 2 of 2		XP_016871769.1	Q9Y4Z2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NEUROG3	ENST00000242462.5 link	c.572G>A	p.Arg191Gln	missense_variant	Exon 2 of 2	1	NM_020999.4	ENSP00000242462.4		Q9Y4Z2

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152156

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000499

AC:

AN:

200440

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000118

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000139

AC:

AN:

1438080

Hom.:

Cov.:

AF XY:

0.0000126

AC XY:

AN XY:

713878

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32788

American (AMR)

AF:

0.00

AC:

AN:

41328

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25754

East Asian (EAS)

AF:

0.00

AC:

AN:

38244

South Asian (SAS)

AF:

0.00

AC:

AN:

83910

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49684

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5612

European-Non Finnish (NFE)

AF:

0.0000173

AC:

AN:

1101388

Other (OTH)

AF:

0.0000168

AC:

AN:

59372

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152156

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74326

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41448

American (AMR)

AF:

0.00

AC:

AN:

15294

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5166

South Asian (SAS)

AF:

0.00

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2094

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

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Jul 08, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 191 of the NEUROG3 protein (p.Arg191Gln). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with NEUROG3-related conditions. ClinVar contains an entry for this variant (Variation ID: 2056791). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant¬†is likely to be tolerated. In 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. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.069

BayesDel_addAF

Benign

-0.10

BayesDel_noAF

Benign

-0.38

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.16

Eigen

Benign

-0.84

Eigen_PC

Benign

-0.88

FATHMM_MKL

Benign

0.11

LIST_S2

Benign

0.59

M_CAP

Uncertain

0.093

MetaRNN

Benign

0.080

MetaSVM

Benign

-0.28

MutationAssessor

Benign

0.81

PhyloP100

-0.93

PrimateAI

Benign

0.42

PROVEAN

Benign

0.31

REVEL

Benign

0.20

Sift

Benign

0.12

Sift4G

Benign

0.39

Polyphen

0.53

Vest4

0.036

MutPred

0.25

Loss of glycosylation at P192 (P = 0.0994);

MVP

0.88

MPC

0.49

ClinPred

0.19

GERP RS

-0.20

Varity_R

0.035

gMVP

0.62

Mutation Taster

=97/3

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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chr10-69572472-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over