Is BMPR2 p.Leu203Val (c.607C>G) pathogenic?

BMPR2 p.Leu203Val (c.607C>G) is classified Uncertain significance in BMPR2 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-10-02). AlphaMissense: ambiguous (0.4883); Absent from gnomAD v4.1; Associated with Inborn genetic diseases.

What condition is associated with BMPR2 p.Leu203Val (c.607C>G)?

BMPR2 p.Leu203Val (c.607C>G) is associated with Inborn genetic diseases (ClinVar).

How common is BMPR2 p.Leu203Val (c.607C>G) in the general population?

BMPR2 p.Leu203Val (c.607C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about BMPR2 p.Leu203Val (c.607C>G)?

AlphaMissense predicts ambiguous (score 0.4883) — an in-silico prediction, not a clinical call.

BMPR2 p.Leu203Val

c.607C>G · VCV4597183

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.4883 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

1/2 damaging

REVEL, SaProt · AlphaMissense no call

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.4883	ambiguous
REVEL	0.73	pathogenic-leaning
SaProt	LLR -7.79	tolerated
⇒ REVEL calls this damaging; SaProt does not; AlphaMissense makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 1.8	GERP -0.75, phastCons 1
Regional constraint	o/e 0.78	unconstrained · MANE · 153 kb · p 2.6e-06 · regional, not allelic
Overall
CADD	22.4	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

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: BMPR2
Protein: p.Leu203Val
Coding: c.607C>G
MANE Select: NM_001204
Type: single nucleotide variant
Location: chr2:202514965 (GRCh38)
Gene constraint: LOEUF 0.376 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 58.07 · 7 PDB
Residue 203: the protein kinase domain; a β-strand

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.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
BMPR2 p.Gln834Arg Uncertain significance ★★ ⚠ same condition
BMPR2 p.Glu31Lys 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-leu203val (accessed [today's date]).

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