Is BMPR2 p.Asn284Ser (c.851A>G) pathogenic?

BMPR2 p.Asn284Ser (c.851A>G) is classified Likely benign in BMPR2 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-03-13). AlphaMissense: likely benign (0.0627); Ultra-rare (popmax 0.0604%, sas); Associated with Primary pulmonary hypertension.

What condition is associated with BMPR2 p.Asn284Ser (c.851A>G)?

BMPR2 p.Asn284Ser (c.851A>G) is associated with Primary pulmonary hypertension (ClinVar).

How common is BMPR2 p.Asn284Ser (c.851A>G) in the general population?

BMPR2 p.Asn284Ser (c.851A>G) is ultra-rare (popmax 0.0604%, sas) (gnomAD).

What do computational predictors say about BMPR2 p.Asn284Ser (c.851A>G)?

AlphaMissense predicts likely benign (score 0.0627) — an in-silico prediction, not a clinical call.

BMPR2 p.Asn284Ser

c.851A>G · VCV3707028

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0627 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.0604%, sas)

Missense predictors

0/2 damaging

AlphaMissense, SaProt · REVEL no call

Conditions

Primary pulmonary hypertension

Computational evidence

Protein change
AlphaMissense	0.0627	likely benign
REVEL	0.36	indeterminate
SaProt	LLR -6.89	tolerated
⇒ AlphaMissense and SaProt both call this tolerated; REVEL makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 3.5	GERP 2.5, phastCons 1
Regional constraint	o/e 0.78	unconstrained · MANE · 153 kb · p 2.6e-06 · regional, not allelic
Overall
CADD	21.4	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 0.0604% South Asian · 55/91,072 alleles

Filtering AF 0.0476% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.043%

Overall 0.00372% 60/1,613,232 alleles · ultra-rare

Ancestry group	Frequency	1 in
South Asiangrpmax	0.0604%	1,656
East Asian	0.00446%	22,445
Admixed American	0.00167%	59,994
Remaining individualsnot grpmax-eligible	0.0016%	62,464
European (non-Finnish)	8.48e-05%	1,179,430

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.Asn284Ser
Coding: c.851A>G
MANE Select: NM_001204
Type: single nucleotide variant
Location: chr2:202519051 (GRCh38)
Gene constraint: LOEUF 0.376 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 58.07 · 7 PDB
Residue 284: a UniProt-annotated variant site (in pph1; changed localization to the plasma membrane); the protein kinase domain

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

Disease context

Primary pulmonary hypertension — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

BMPR2 c.1128+1G>A Pathogenic ★★ same condition
BMPR2 c.1128+1G>C Pathogenic ★★ same condition
BMPR2 c.621+1G>T Pathogenic/Likely pathogenic ★★ same condition
BMPR2 c.853-2A>G Pathogenic ★★ same condition
BMPR2 p.Arg147Ter Pathogenic ★★ same condition
BMPR2 p.Arg213Ter Pathogenic ★★ same condition
BMPR2 p.Arg491Trp Pathogenic ★★ same condition
BMPR2 p.Arg873Ter Pathogenic/Likely pathogenic ★★ 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-asn284ser (accessed [today's date]).

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