chr9-127816068-C-T

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_001114753.3(ENG):​c.1742-15G>A variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000076 in 1,605,684 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000078 ( 0 hom. )

Consequence

ENG
NM_001114753.3 splice_polypyrimidine_tract, intron

Scores

2

Clinical Significance

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

Conservation

PhyloP100: 0.0970
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.85).
BP6
Variant 9-127816068-C-T is Benign according to our data. Variant chr9-127816068-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 504728.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1}.
BS1
Variant frequency is greater than expected in population eas. gnomad4_exome allele frequency = 0.0000778 (113/1453332) while in subpopulation EAS AF= 0.00241 (95/39484). AF 95% confidence interval is 0.00201. There are 0 homozygotes in gnomad4_exome. There are 56 alleles in male gnomad4_exome subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High AC in GnomAd4 at 9 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ENGNM_001114753.3 linkuse as main transcriptc.1742-15G>A splice_polypyrimidine_tract_variant, intron_variant ENST00000373203.9 NP_001108225.1
LOC102723566NR_136302.1 linkuse as main transcriptn.3C>T non_coding_transcript_exon_variant 1/6
ENGNM_000118.4 linkuse as main transcriptc.1742-15G>A splice_polypyrimidine_tract_variant, intron_variant NP_000109.1
ENGNM_001278138.2 linkuse as main transcriptc.1196-15G>A splice_polypyrimidine_tract_variant, intron_variant NP_001265067.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ENGENST00000373203.9 linkuse as main transcriptc.1742-15G>A splice_polypyrimidine_tract_variant, intron_variant 1 NM_001114753.3 ENSP00000362299 P2P17813-1
ENGENST00000344849.4 linkuse as main transcriptc.1742-15G>A splice_polypyrimidine_tract_variant, intron_variant 1 ENSP00000341917 A2P17813-2
ENST00000439298.5 linkuse as main transcriptn.3C>T non_coding_transcript_exon_variant 1/62
ENGENST00000480266.6 linkuse as main transcriptc.1196-15G>A splice_polypyrimidine_tract_variant, intron_variant 2 ENSP00000479015

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152234
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00115
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000468
AC:
11
AN:
234800
Hom.:
0
AF XY:
0.0000392
AC XY:
5
AN XY:
127608
show subpopulations
Gnomad AFR exome
AF:
0.0000690
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000397
Gnomad SAS exome
AF:
0.0000344
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000189
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000778
AC:
113
AN:
1453332
Hom.:
0
Cov.:
31
AF XY:
0.0000775
AC XY:
56
AN XY:
722426
show subpopulations
Gnomad4 AFR exome
AF:
0.0000300
Gnomad4 AMR exome
AF:
0.0000228
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00241
Gnomad4 SAS exome
AF:
0.0000588
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000901
Gnomad4 OTH exome
AF:
0.0000167
GnomAD4 genome
AF:
0.0000591
AC:
9
AN:
152352
Hom.:
0
Cov.:
33
AF XY:
0.0000671
AC XY:
5
AN XY:
74506
show subpopulations
Gnomad4 AFR
AF:
0.0000722
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00116
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000642
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineSep 29, 2017Variant classified as Uncertain Significance - Favor Benign. The c.1742-15G>A va riant in ENG has not been previously reported in individuals with pulmonary hype rtension, but has been identified in 8/18138 East Asian chromosomes by the Genom e Aggregation Database (gnomAD, http://gnomad.broadinstitute.org; dbSNP rs201678 228). This variant is located in the 3' splice region. Computational tools do no t suggest an impact to splicing. However, this information is not predictive eno ugh to rule out pathogenicity. In summary, while the clinical significance of th e c.1742-15G>A variant is uncertain, these data suggest that it is more likely t o be benign. ACMG/AMP Criteria applied: BP4 (Richards 2015). -
Hereditary hemorrhagic telangiectasia Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 18, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.85
CADD
Benign
5.8
DANN
Benign
0.76

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.

Other links and lift over

dbSNP: rs201678228; hg19: chr9-130578347; API