NM_000245.4:c.2383A>G

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4BP6

The NM_000245.4(MET):c.2383A>G(p.Asn795Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,698 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 Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N795H) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

MET
NM_000245.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:1

Conservation

PhyloP100: 2.76

Publications

1 publications found

Variant links:

Genes affected

MET (HGNC:7029): (MET proto-oncogene, receptor tyrosine kinase) This gene encodes a member of the receptor tyrosine kinase family of proteins and the product of the proto-oncogene MET. The encoded preproprotein is proteolytically processed to generate alpha and beta subunits that are linked via disulfide bonds to form the mature receptor. Further processing of the beta subunit results in the formation of the M10 peptide, which has been shown to reduce lung fibrosis. Binding of its ligand, hepatocyte growth factor, induces dimerization and activation of the receptor, which plays a role in cellular survival, embryogenesis, and cellular migration and invasion. Mutations in this gene are associated with papillary renal cell carcinoma, hepatocellular carcinoma, and various head and neck cancers. Amplification and overexpression of this gene are also associated with multiple human cancers. [provided by RefSeq, May 2016]

MET Gene-Disease associations (from GenCC):

hereditary papillary renal cell carcinoma
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
papillary renal cell carcinoma
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp, ClinGen
autosomal recessive nonsyndromic hearing loss 97
Inheritance: AR Classification: STRONG, LIMITED Submitted by: PanelApp Australia, Ambry Genetics, Labcorp Genetics (formerly Invitae)
osteofibrous dysplasia
Inheritance: AD Classification: SUPPORTIVE, LIMITED Submitted by: Orphanet, Ambry Genetics
hearing loss, autosomal recessive
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
arthrogryposis, distal, IIa 11
Inheritance: AD, Unknown Classification: LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
nonsyndromic genetic hearing loss
Inheritance: AR Classification: LIMITED Submitted by: ClinGen
complex neurodevelopmental disorder
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

MET 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=0.3223073).

BP6

Variant 7-116763068-A-G is Benign according to our data. Variant chr7-116763068-A-G is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 41622.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MET	NM_000245.4 link	c.2383A>G	p.Asn795Asp	missense_variant	Exon 11 of 21	ENST00000397752.8	NP_000236.2	P08581-1A0A024R759

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
MET	ENST00000397752.8 link	c.2383A>G	p.Asn795Asp	missense_variant	Exon 11 of 21	1	NM_000245.4	ENSP00000380860.3	P08581-1
MET	ENST00000318493.11 link	c.2437A>G	p.Asn813Asp	missense_variant	Exon 11 of 21	1		ENSP00000317272.6	P08581-2
MET	ENST00000436117.3 link	n.2283A>G		non_coding_transcript_exon_variant	Exon 10 of 20	1		ENSP00000410980.2	P08581-3
MET	ENST00000422097.2 link	c.2383A>G	p.Asn795Asp	missense_variant	Exon 11 of 12	3		ENSP00000398776.2	H7C174

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000342

AC:

AN:

1461698

Hom.:

Cov.:

AF XY:

0.00000550

AC XY:

AN XY:

727150

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44706

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39680

South Asian (SAS)

AF:

0.00

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53398

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000360

AC:

AN:

1111906

Other (OTH)

AF:

0.0000166

AC:

AN:

60382

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000712

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:3Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:2

Jul 13, 2012

Biesecker Lab/Clinical Genomics Section, National Institutes of Health

Significance:Uncertain significance

Review Status:no assertion criteria provided

Collection Method:research

- -

Jul 01, 2022

GeneDx

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 22703879) -

Renal cell carcinoma

Uncertain:1

Aug 28, 2023

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

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. This sequence change replaces asparagine, which is neutral and polar, with aspartic acid, which is acidic and polar, at codon 813 of the MET protein (p.Asn813Asp). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MET-related conditions. ClinVar contains an entry for this variant (Variation ID: 41622). 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. -

Hereditary cancer-predisposing syndrome

Benign:1

Jul 01, 2024

Ambry Genetics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.073

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.39

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.52

D;.;.

Eigen

Benign

-0.028

Eigen_PC

Benign

0.088

FATHMM_MKL

Uncertain

0.85

LIST_S2

Benign

0.78

T;T;T

M_CAP

Benign

0.059

MetaRNN

Benign

0.32

T;T;T

MetaSVM

Benign

-0.43

MutationAssessor

Benign

2.0

M;.;.

PhyloP100

2.8

PrimateAI

Uncertain

0.48

PROVEAN

Benign

-1.1

N;N;N

REVEL

Benign

0.18

Sift

Benign

0.15

T;T;T

Sift4G

Benign

0.17

T;T;D

Polyphen

0.61

P;B;.

Vest4

0.32

MutPred

0.57

Gain of sheet (P = 0.0827);.;.;

MVP

0.64

MPC

0.38

ClinPred

0.59

GERP RS

4.7

Varity_R

0.20

gMVP

0.68

Mutation Taster

=90/10

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over