12-51915293-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PP2PP3_ModerateBS2_Supporting

The NM_000020.3(ACVRL1):​c.841G>A​(p.Glu281Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000547 in 1,461,838 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

ACVRL1
NM_000020.3 missense

Scores

12
4
3

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 10.0
Variant links:
Genes affected
ACVRL1 (HGNC:175): (activin A receptor like type 1) This gene encodes a type I cell-surface receptor for the TGF-beta superfamily of ligands. It shares with other type I receptors a high degree of similarity in serine-threonine kinase subdomains, a glycine- and serine-rich region (called the GS domain) preceding the kinase domain, and a short C-terminal tail. The encoded protein, sometimes termed ALK1, shares similar domain structures with other closely related ALK or activin receptor-like kinase proteins that form a subfamily of receptor serine/threonine kinases. Mutations in this gene are associated with hemorrhagic telangiectasia type 2, also known as Rendu-Osler-Weber syndrome 2. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), ACVRL1. . Gene score misZ 2.4458 (greater than the threshold 3.09). Trascript score misZ 3.182 (greater than threshold 3.09). GenCC has associacion of gene with hereditary hemorrhagic telangiectasia, telangiectasia, hereditary hemorrhagic, type 2.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.919
BS2
High AC in GnomAdExome4 at 8 AD gene. Variant has AC lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ACVRL1NM_000020.3 linkuse as main transcriptc.841G>A p.Glu281Lys missense_variant 7/10 ENST00000388922.9 NP_000011.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ACVRL1ENST00000388922.9 linkuse as main transcriptc.841G>A p.Glu281Lys missense_variant 7/101 NM_000020.3 ENSP00000373574 P1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
251208
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135854
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:
0.000131
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000547
AC:
8
AN:
1461838
Hom.:
0
Cov.:
32
AF XY:
0.00000550
AC XY:
4
AN XY:
727220
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:
0.0000812
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.30
BayesDel_addAF
Pathogenic
0.25
D
BayesDel_noAF
Pathogenic
0.36
CADD
Pathogenic
33
DANN
Pathogenic
1.0
DEOGEN2
Pathogenic
0.86
D;.;D
Eigen
Pathogenic
0.80
Eigen_PC
Pathogenic
0.79
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D;D;D
M_CAP
Pathogenic
0.68
D
MetaRNN
Pathogenic
0.92
D;D;D
MetaSVM
Pathogenic
0.91
D
MutationAssessor
Benign
1.5
L;.;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.85
D
PROVEAN
Uncertain
-3.1
D;D;D
REVEL
Pathogenic
0.89
Sift
Uncertain
0.0020
D;D;D
Sift4G
Uncertain
0.0060
D;D;T
Polyphen
1.0
D;.;D
Vest4
0.85
MutPred
0.68
Gain of methylation at E281 (P = 0.0098);.;.;
MVP
0.98
MPC
0.74
ClinPred
0.70
D
GERP RS
5.3
Varity_R
0.72
gMVP
0.90

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.090
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: rs779485996; hg19: chr12-52309077; API