rs753958204

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_000245.4(MET):​c.1975A>G​(p.Ile659Val) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,720 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. I659L) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

MET
NM_000245.4 missense

Scores

1
7
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.44

Publications

0 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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.37165672).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
METNM_000245.4 linkc.1975A>G p.Ile659Val missense_variant Exon 8 of 21 ENST00000397752.8 NP_000236.2 P08581-1A0A024R759

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
METENST00000397752.8 linkc.1975A>G p.Ile659Val missense_variant Exon 8 of 21 1 NM_000245.4 ENSP00000380860.3 P08581-1
METENST00000318493.11 linkc.1975A>G p.Ile659Val missense_variant Exon 8 of 21 1 ENSP00000317272.6 P08581-2
METENST00000436117.3 linkn.1975A>G non_coding_transcript_exon_variant Exon 8 of 20 1 ENSP00000410980.2 P08581-3
METENST00000422097.2 linkc.1975A>G p.Ile659Val missense_variant Exon 8 of 12 3 ENSP00000398776.2 H7C174

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461720
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
727156
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33476
American (AMR)
AF:
0.00
AC:
0
AN:
44696
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26126
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39664
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86254
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53406
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5764
European-Non Finnish (NFE)
AF:
8.99e-7
AC:
1
AN:
1111950
Other (OTH)
AF:
0.00
AC:
0
AN:
60384
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
Cov.:
32

ClinVar

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

Submissions by phenotype

Hereditary cancer-predisposing syndrome Uncertain:1
May 19, 2025
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The p.I659V variant (also known as c.1975A>G), located in coding exon 7 of the MET gene, results from an A to G substitution at nucleotide position 1975. The isoleucine at codon 659 is replaced by valine, an amino acid with highly similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be tolerated by in silico analysis. Based on the available evidence, the clinical significance of this variant remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Uncertain
0.019
T
BayesDel_noAF
Benign
-0.21
CADD
Benign
20
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.42
T;.;.
Eigen
Uncertain
0.24
Eigen_PC
Uncertain
0.27
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.94
D;D;D
M_CAP
Benign
0.023
T
MetaRNN
Benign
0.37
T;T;T
MetaSVM
Benign
-0.41
T
MutationAssessor
Benign
1.0
L;L;L
PhyloP100
6.4
PrimateAI
Uncertain
0.53
T
PROVEAN
Benign
-0.64
N;N;N
REVEL
Benign
0.24
Sift
Benign
0.12
T;T;T
Sift4G
Benign
0.29
T;T;D
Polyphen
1.0
D;P;.
Vest4
0.54
MutPred
0.69
Loss of sheet (P = 0.0457);Loss of sheet (P = 0.0457);Loss of sheet (P = 0.0457);
MVP
0.47
MPC
0.79
ClinPred
0.94
D
GERP RS
5.3
Varity_R
0.17
gMVP
0.69
Mutation Taster
=77/23
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs753958204; hg19: chr7-116397701; API