dbSNP rs747206781: BMPR1A:c.231-12_231-10delTTT (chr10-86892110-GTTT-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_004329.3(BMPR1A):c.231-12_231-10delTTT variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000695 in 1,439,264 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

BMPR1A
NM_004329.3 intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.121

Publications

0 publications found

Variant links:

Genes affected

BMPR1A (HGNC:1076): (bone morphogenetic protein receptor type 1A) The bone morphogenetic protein (BMP) receptors are a family of transmembrane serine/threonine kinases that include the type I receptors BMPR1A and BMPR1B and the type II receptor BMPR2. These receptors are also closely related to the activin receptors, ACVR1 and ACVR2. The ligands of these receptors are members of the TGF-beta superfamily. TGF-betas and activins transduce their signals through the formation of heteromeric complexes with 2 different types of serine (threonine) kinase receptors: type I receptors of about 50-55 kD and type II receptors of about 70-80 kD. Type II receptors bind ligands in the absence of type I receptors, but they require their respective type I receptors for signaling, whereas type I receptors require their respective type II receptors for ligand binding. [provided by RefSeq, Jul 2008]

BMPR1A Gene-Disease associations (from GenCC):

generalized juvenile polyposis/juvenile polyposis coli
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet, Genomics England PanelApp
juvenile polyposis syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), G2P
polyposis syndrome, hereditary mixed, 2
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
hereditary mixed polyposis syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
congenital heart defects, multiple types
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
pulmonary arterial hypertension
Inheritance: Unknown Classification: NO_KNOWN Submitted by: ClinGen

BMPR1A links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
BMPR1A	NM_004329.3 link	c.231-12_231-10delTTT		intron_variant	Intron 4 of 12	ENST00000372037.8	NP_004320.2	P36894

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
BMPR1A	ENST00000372037.8 link	c.231-16_231-14delTTT		intron_variant	Intron 4 of 12	1	NM_004329.3	ENSP00000361107.2		P36894

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.95e-7

AC:

AN:

1439264

Hom.:

AF XY:

0.00000139

AC XY:

AN XY:

717518

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32892

American (AMR)

AF:

0.00

AC:

AN:

44680

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25980

East Asian (EAS)

AF:

0.00

AC:

AN:

39570

South Asian (SAS)

AF:

0.00

AC:

AN:

85776

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52760

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5712

European-Non Finnish (NFE)

AF:

9.16e-7

AC:

AN:

1092234

Other (OTH)

AF:

0.00

AC:

AN:

59660

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.675

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.12

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over