rs16842143

Variant names:

• chr2-157837407-G-A
• rs16842143
• NM_001111067.4:c.-182-18848C>T

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_001111067.4(ACVR1):​c.-182-18848C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0172 in 152,250 control chromosomes in the GnomAD database, including 80 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.017 (80 hom., cov: 33)
• Consequence: ACVR1 NM_001111067.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.328
• Publications: 0 publications found

Genes affected

ACVR1 (HGNC:171): (activin A receptor type 1) Activins are dimeric growth and differentiation factors which belong to the transforming growth factor-beta (TGF-beta) superfamily of structurally related signaling proteins. Activins signal through a heteromeric complex of receptor serine kinases which include at least two type I ( I and IB) and two type II (II and IIB) receptors. These receptors are all transmembrane proteins, composed of a ligand-binding extracellular domain with cysteine-rich region, a transmembrane domain, and a cytoplasmic domain with predicted serine/threonine specificity. Type I receptors are essential for signaling; and type II receptors are required for binding ligands and for expression of type I receptors. Type I and II receptors form a stable complex after ligand binding, resulting in phosphorylation of type I receptors by type II receptors. This gene encodes activin A type I receptor which signals a particular transcriptional response in concert with activin type II receptors. Mutations in this gene are associated with fibrodysplasia ossificans progressive. [provided by RefSeq, Jul 2008]

ACVR1 Gene-Disease associations (from GenCC):

• fibrodysplasia ossificans progressiva

  Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: G2P, ClinGen, Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae)
• congenital heart disease

  Inheritance: AD Classification: LIMITED Submitted by: ClinGen

ACMG classification

Our verdict: Benign. The variant received -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.86).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0576 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001111067.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ACVR1	NM_001111067.4	MANE Select	c.-182-18848C>T		intron	N/A	NP_001104537.1	D3DPA4
	ACVR1	NM_001105.5		c.-182-18848C>T		intron	N/A	NP_001096.1	D3DPA4
	ACVR1	NM_001347663.1		c.-182-18848C>T		intron	N/A	NP_001334592.1	Q04771

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ACVR1	ENST00000434821.7	TSL:1 MANE Select	c.-182-18848C>T		intron	N/A	ENSP00000405004.1	Q04771
	ACVR1	ENST00000263640.7	TSL:1	c.-182-18848C>T		intron	N/A	ENSP00000263640.3	Q04771
	ACVR1	ENST00000410057.6	TSL:1	c.-302+834C>T		intron	N/A	ENSP00000387127.2	Q04771

Frequencies

GnomAD3 genomes AF: 0.0171 AC: 2609 AN: 152132 Hom.: 78 Cov.: 33

Gnomad AFR AF: 0.0596

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00622

Gnomad ASJ AF: 0.000288

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000207

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.0127

Gnomad NFE AF: 0.000132

Gnomad OTH AF: 0.0153

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.0172 AC: 2617 AN: 152250 Hom.: 80 Cov.: 33 AF XY: 0.0168 AC XY: 1250 AN XY: 74438

African (AFR) AF: 0.0596 AC: 2476 AN: 41540

American (AMR) AF: 0.00621 AC: 95 AN: 15294

Ashkenazi Jewish (ASJ) AF: 0.000288 AC: 1 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5178

South Asian (SAS) AF: 0.000207 AC: 1 AN: 4828

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10592

Middle Eastern (MID) AF: 0.0102 AC: 3 AN: 294

European-Non Finnish (NFE) AF: 0.000132 AC: 9 AN: 68030

Other (OTH) AF: 0.0151 AC: 32 AN: 2114

Alfa AF: 0.0148 Hom.: 20

Bravo AF: 0.0190

Asia WGS AF: 0.00260 AC: 9 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.86
CADD	Benign	0.45
DANN	Benign	0.74
PhyloP100		-0.33
Mutation Taster		=100/0	polymorphism

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

Other links and lift over

dbSNP: rs16842143; hg19: chr2-158693919;