rs766272638

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 2P and 8B. PM1BP4_ModerateBP6_ModerateBS2

The NM_001114753.3(ENG):​c.1259T>C​(p.Met420Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000113 in 1,614,102 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. M420V) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 31)
Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

ENG
NM_001114753.3 missense

Scores

2
17

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.09

Publications

0 publications found
Variant links:
Genes affected
ENG (HGNC:3349): (endoglin) This gene encodes a homodimeric transmembrane protein which is a major glycoprotein of the vascular endothelium. This protein is a component of the transforming growth factor beta receptor complex and it binds to the beta1 and beta3 peptides with high affinity. Mutations in this gene cause hereditary hemorrhagic telangiectasia, also known as Osler-Rendu-Weber syndrome 1, an autosomal dominant multisystemic vascular dysplasia. This gene may also be involved in preeclampsia and several types of cancer. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2013]
ENG Gene-Disease associations (from GenCC):
  • telangiectasia, hereditary hemorrhagic, type 1
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P, Genomics England PanelApp, ClinGen
  • hereditary hemorrhagic telangiectasia
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • juvenile polyposis syndrome
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

PM1
In a hotspot region, there are 8 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 2 benign, 13 uncertain in NM_001114753.3
BP4
Computational evidence support a benign effect (MetaRNN=0.115876764).
BP6
Variant 9-127819913-A-G is Benign according to our data. Variant chr9-127819913-A-G is described in ClinVar as Likely_benign. ClinVar VariationId is 528061.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAd4 at 11 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ENGNM_001114753.3 linkc.1259T>C p.Met420Thr missense_variant Exon 9 of 15 ENST00000373203.9 NP_001108225.1
ENGNM_000118.4 linkc.1259T>C p.Met420Thr missense_variant Exon 9 of 14 NP_000109.1
ENGNM_001278138.2 linkc.713T>C p.Met238Thr missense_variant Exon 9 of 15 NP_001265067.1
LOC102723566NR_136302.1 linkn.1568+1202A>G intron_variant Intron 4 of 5

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ENGENST00000373203.9 linkc.1259T>C p.Met420Thr missense_variant Exon 9 of 15 1 NM_001114753.3 ENSP00000362299.4

Frequencies

GnomAD3 genomes
AF:
0.0000723
AC:
11
AN:
152214
Hom.:
0
Cov.:
31
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:
0.000471
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000795
AC:
20
AN:
251494
AF XY:
0.0000809
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000416
Gnomad NFE exome
AF:
0.0000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000118
AC:
172
AN:
1461888
Hom.:
0
Cov.:
32
AF XY:
0.000111
AC XY:
81
AN XY:
727244
show subpopulations
African (AFR)
AF:
0.0000597
AC:
2
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.000337
AC:
18
AN:
53414
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000133
AC:
148
AN:
1112012
Other (OTH)
AF:
0.0000662
AC:
4
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.487
Heterozygous variant carriers
0
13
25
38
50
63
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000723
AC:
11
AN:
152214
Hom.:
0
Cov.:
31
AF XY:
0.0000807
AC XY:
6
AN XY:
74356
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41464
American (AMR)
AF:
0.00
AC:
0
AN:
15280
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5192
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.000471
AC:
5
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000882
AC:
6
AN:
68034
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.511
Heterozygous variant carriers
0
1
2
4
5
6
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000386
Hom.:
0
Bravo
AF:
0.0000491
ExAC
AF:
0.0000659
AC:
8
EpiCase
AF:
0.000109
EpiControl
AF:
0.000119

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Hereditary hemorrhagic telangiectasia Benign:1
Jan 14, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.14
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.31
CADD
Benign
17
DANN
Benign
0.82
DEOGEN2
Uncertain
0.47
T;T;.
Eigen
Benign
-0.37
Eigen_PC
Benign
-0.33
FATHMM_MKL
Benign
0.50
D
LIST_S2
Benign
0.41
T;T;T
M_CAP
Uncertain
0.11
D
MetaRNN
Benign
0.12
T;T;T
MetaSVM
Benign
-0.71
T
MutationAssessor
Benign
1.4
L;.;L
PhyloP100
2.1
PrimateAI
Benign
0.41
T
PROVEAN
Benign
-0.59
N;.;N
REVEL
Benign
0.24
Sift
Benign
0.28
T;.;T
Sift4G
Benign
0.26
T;T;T
Polyphen
0.42
B;.;.
Vest4
0.21
MVP
0.66
MPC
0.25
ClinPred
0.045
T
GERP RS
4.0
Varity_R
0.16
gMVP
0.91
Mutation Taster
=68/32
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: rs766272638; hg19: chr9-130582192; API