rs1553503554

Variant summary

Our verdict is Uncertain significance. The variant received 5 ACMG points: 5P and 0B. PM1PM2PP3

The NM_001204.7(BMPR2):​c.340C>T​(p.Arg114Cys) variant causes a missense change. The variant allele was found at a frequency of 0.000000688 in 1,453,966 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. R114H) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

BMPR2
NM_001204.7 missense

Scores

11
7
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.54

Publications

0 publications found
Variant links:
Genes affected
BMPR2 (HGNC:1078): (bone morphogenetic protein receptor type 2) This gene encodes a member of the bone morphogenetic protein (BMP) receptor family of transmembrane serine/threonine kinases. The ligands of this receptor are members of the TGF-beta superfamily. BMPs are involved in endochondral bone formation and embryogenesis. These proteins transduce their signals through the formation of heteromeric complexes of two different types of serine (threonine) kinase receptors: type I receptors of about 50-55 kD and type II receptors of about 70-80 kD. Mutations in this gene have been associated with primary pulmonary hypertension, both familial and fenfluramine-associated, and with pulmonary venoocclusive disease. [provided by RefSeq, May 2020]
BMPR2 Gene-Disease associations (from GenCC):
  • pulmonary arterial hypertension
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • pulmonary hypertension, primary, 1
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae)
  • heritable pulmonary arterial hypertension
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • congenital heart disease
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 5 ACMG points.

PM1
In a hotspot region, there are 9 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 6 uncertain in NM_001204.7
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.78

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
BMPR2NM_001204.7 linkc.340C>T p.Arg114Cys missense_variant Exon 3 of 13 ENST00000374580.10 NP_001195.2 Q13873-1
BMPR2XM_011511687.2 linkc.340C>T p.Arg114Cys missense_variant Exon 3 of 13 XP_011509989.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
BMPR2ENST00000374580.10 linkc.340C>T p.Arg114Cys missense_variant Exon 3 of 13 1 NM_001204.7 ENSP00000363708.4 Q13873-1
BMPR2ENST00000374574.2 linkc.340C>T p.Arg114Cys missense_variant Exon 3 of 12 2 ENSP00000363702.2 Q13873-2
BMPR2ENST00000479069.1 linkn.247C>T non_coding_transcript_exon_variant Exon 2 of 3 3

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251460
AF XY:
0.00
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.88e-7
AC:
1
AN:
1453966
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
723738
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33274
American (AMR)
AF:
0.0000224
AC:
1
AN:
44714
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26078
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39648
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86116
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53420
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5750
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1104794
Other (OTH)
AF:
0.00
AC:
0
AN:
60172
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
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

Primary pulmonary hypertension Uncertain:1
Jul 10, 2017
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. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with BMPR2-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change replaces arginine with cysteine at codon 114 of the BMPR2 protein (p.Arg114Cys). The arginine residue is highly conserved and there is a large physicochemical difference between arginine and cysteine. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.83
BayesDel_addAF
Pathogenic
0.37
D
BayesDel_noAF
Pathogenic
0.30
CADD
Pathogenic
33
DANN
Pathogenic
1.0
DEOGEN2
Pathogenic
0.86
D;.;.
Eigen
Pathogenic
0.72
Eigen_PC
Pathogenic
0.72
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Pathogenic
0.99
D;D;D
M_CAP
Uncertain
0.23
D
MetaRNN
Pathogenic
0.78
D;D;D
MetaSVM
Pathogenic
1.0
D
MutationAssessor
Uncertain
2.1
M;M;.
PhyloP100
6.5
PrimateAI
Uncertain
0.77
T
PROVEAN
Uncertain
-3.5
D;D;.
REVEL
Pathogenic
0.77
Sift
Uncertain
0.026
D;D;.
Sift4G
Uncertain
0.013
D;D;.
Polyphen
1.0
D;.;.
Vest4
0.74
MutPred
0.57
Loss of sheet (P = 0.0357);Loss of sheet (P = 0.0357);.;
MVP
0.94
MPC
1.3
ClinPred
0.99
D
GERP RS
5.4
Varity_R
0.91
gMVP
0.81
Mutation Taster
=44/56
disease causing

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

Other links and lift over

dbSNP: rs1553503554; hg19: chr2-203332334; API