chr16-50712018-C-G

Position:

chr16-50712018-C-G

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 0P and 1B. BP4

The NM_001370466.1(NOD2):c.2026C>G(p.Arg676Gly) variant causes a missense change. The variant allele was found at a frequency of 0.000011 in 1,460,772 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 (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R676C) has been classified as Benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

NOD2
NM_001370466.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.39

Variant links:

Genes affected

NOD2 (HGNC:5331): (nucleotide binding oligomerization domain containing 2) This gene is a member of the Nod1/Apaf-1 family and encodes a protein with two caspase recruitment (CARD) domains and six leucine-rich repeats (LRRs). The protein is primarily expressed in the peripheral blood leukocytes. It plays a role in the immune response to intracellular bacterial lipopolysaccharides (LPS) by recognizing the muramyl dipeptide (MDP) derived from them and activating the NFKB protein. Mutations in this gene have been associated with Crohn disease and Blau syndrome. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Jun 2014]

NOD2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.34155416).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
NOD2	NM_001370466.1 linkuse as main transcript	c.2026C>G	p.Arg676Gly	missense_variant	4/12	ENST00000647318.2	NP_001357395.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
NOD2	ENST00000647318.2 linkuse as main transcript	c.2026C>G	p.Arg676Gly	missense_variant	4/12		NM_001370466.1	ENSP00000495993	P1	Q9HC29-2
NOD2	ENST00000300589.6 linkuse as main transcript	c.2107C>G	p.Arg703Gly	missense_variant	4/12	1		ENSP00000300589		Q9HC29-1
NOD2	ENST00000641284.2 linkuse as main transcript	c.2026C>G	p.Arg676Gly	missense_variant, NMD_transcript_variant	4/6			ENSP00000493088
NOD2	ENST00000646677.2 linkuse as main transcript	c.2026C>G	p.Arg676Gly	missense_variant, NMD_transcript_variant	4/13			ENSP00000496533

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000121

AC:

AN:

248652

Hom.:

AF XY:

0.0000148

AC XY:

AN XY:

134888

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000893

Gnomad OTH exome

AF:

0.000329

GnomAD4 exome

AF:

0.0000110

AC:

AN:

1460772

Hom.:

Cov.:

AF XY:

0.0000138

AC XY:

AN XY:

726738

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

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:

0.0000108

Gnomad4 OTH exome

AF:

0.0000497

GnomAD4 genome

Cov.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000247

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Blau syndrome;CN260071:Inflammatory bowel disease 1

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jun 11, 2019

This sequence change replaces arginine with glycine at codon 703 of the NOD2 protein (p.Arg703Gly). The arginine residue is moderately conserved and there is a moderate physicochemical difference between arginine and glycine. This variant is present in population databases (rs5743277, ExAC 0.01%). This variant has not been reported in the literature in individuals with NOD2-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). 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

0.18

BayesDel_addAF

Uncertain

0.049

BayesDel_noAF

Benign

-0.17

CADD

Benign

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.45

.;T

Eigen

Uncertain

0.28

Eigen_PC

Uncertain

0.30

FATHMM_MKL

Uncertain

0.81

LIST_S2

Benign

0.84

T;T

M_CAP

Uncertain

0.16

MetaRNN

Benign

0.34

T;T

MetaSVM

Benign

-0.66

MutationAssessor

Uncertain

2.4

.;M

MutationTaster

Benign

1.0

PrimateAI

Benign

0.35

PROVEAN

Uncertain

-3.0

.;D

REVEL

Benign

0.28

Sift

Uncertain

0.0030

.;D

Sift4G

Uncertain

0.018

.;D

Polyphen

0.93

P;P

Vest4

0.37

MutPred

0.47

.;Loss of stability (P = 0.0657);

MVP

0.88

MPC

0.26

ClinPred

0.86

GERP RS

3.7

Varity_R

0.27

gMVP

0.56

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over