Is BMPR2 p.Asn146= (c.438C>T) pathogenic?

BMPR2 p.Asn146= (c.438C>T) is classified Likely benign in BMPR2 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-06-06). Ultra-rare (popmax 0.0133%, amr); Associated with Primary pulmonary hypertension.

What condition is associated with BMPR2 p.Asn146= (c.438C>T)?

BMPR2 p.Asn146= (c.438C>T) is associated with Primary pulmonary hypertension (ClinVar).

How common is BMPR2 p.Asn146= (c.438C>T) in the general population?

BMPR2 p.Asn146= (c.438C>T) is ultra-rare (popmax 0.0133%, amr) (gnomAD).

BMPR2 p.Asn146=

c.438C>T · rs183875438 · VCV2896118

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0133%, amr)

Conditions

Primary pulmonary hypertension

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.01	GERP -2, phastCons 0.82
Overall
CADD	5.628	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0133% Admixed American · 8/59,966 alleles

Filtering AF 0.00662% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00483%

Overall 0.0013% 21/1,612,960 alleles · ultra-rare

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0133%	7,496
European (non-Finnish)	0.0011%	90,724

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.Asn146=
Coding: c.438C>T
MANE Select: NM_001204
dbSNP: rs183875438
Type: single nucleotide variant
Location: chr2:202513738 (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

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-asn146 (accessed [today's date]).

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