Is BMPR2 p.Arg147Gln (c.440G>A) pathogenic?

BMPR2 p.Arg147Gln (c.440G>A) is classified Conflicting classifications of pathogenicity in BMPR2 (ClinVar, Conflicting submitters, 2 submitters; last evaluated 2026-01-31). AlphaMissense: likely benign (0.0872); Ultra-rare (popmax 0.0267%, amr); Associated with Inborn genetic diseases.

What condition is associated with BMPR2 p.Arg147Gln (c.440G>A)?

BMPR2 p.Arg147Gln (c.440G>A) is associated with Inborn genetic diseases (ClinVar).

How common is BMPR2 p.Arg147Gln (c.440G>A) in the general population?

BMPR2 p.Arg147Gln (c.440G>A) is ultra-rare (popmax 0.0267%, amr) (gnomAD).

What do computational predictors say about BMPR2 p.Arg147Gln (c.440G>A)?

AlphaMissense predicts likely benign (score 0.0872) — an in-silico prediction, not a clinical call.

BMPR2 p.Arg147Gln

c.440G>A · rs777889469 · VCV2374491

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 2 submitters

AlphaMissense

likely benign

0.0872 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.0267%, amr)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.0872	likely benign
REVEL	0.192	benign-leaning
SaProt	LLR -6.75	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 8.6	GERP 1.8, phastCons 1
Regional constraint	o/e 0.78	unconstrained · MANE · 153 kb · p 2.6e-06 · regional, not allelic
Overall
CADD	22.5	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0267% Admixed American · 16/59,932 alleles

Filtering AF 0.0167% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0136%

Overall 0.00291% 47/1,612,494 alleles · ultra-rare

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0267%	3,746
South Asian	0.0176%	5,685
Middle Eastern	0.0167%	5,998
East Asian	0.00447%	22,353
Ashkenazi Jewishnot grpmax-eligible	0.00338%	29,558
Remaining individualsnot grpmax-eligible	0.0016%	62,414
Finnishnot grpmax-eligible	0.00157%	63,848
African / African-American	0.00133%	74,922
European (non-Finnish)	0.000678%	147,406

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene: BMPR2
Protein: p.Arg147Gln
Coding: c.440G>A
MANE Select: NM_001204
dbSNP: rs777889469
Type: single nucleotide variant
Location: chr2:202513740 (GRCh38)
Gene constraint: LOEUF 0.376 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 58.07 · 7 PDB

Full BMPR2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Inborn genetic diseases — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

BMPR2 p.Arg147Pro Uncertain significance ★ ⚠ same residue
BMPR2 p.Arg147Ter Pathogenic ★★ same residue
BMPR2 p.Ala35Val Uncertain significance ★★ ⚠ same condition
BMPR2 p.Arg114His Uncertain significance ★★ ⚠ same condition
BMPR2 p.Arg357Lys Uncertain significance ★★ ⚠ same condition
BMPR2 p.Arg857Trp Uncertain significance ★★ ⚠ same condition
BMPR2 p.Asn588Ser Uncertain significance ★★ ⚠ same condition
BMPR2 p.Asp682Glu Uncertain significance ★★ ⚠ same condition

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/bmpr2-p-arg147gln (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown