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ACVR1 p.Asp503=

c.1509C>T · rs367857827 · VCV744051

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00856%, nfe)

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
ConservationphyloP 5.8GERP 1.2, phastCons 1
Overall
CADD11.01PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00856% European (non-Finnish) · 101/1,179,976 alleles
Filtering AF 0.00716% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00668%
Overall 0.00675% 109/1,613,914 alleles · very rare
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.00856% 11,683
Remaining individualsnot grpmax-eligible 0.0064% 15,620
African / African-American 0.00401% 24,962
Admixed American 0.00167% 59,998

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
ACVR1
Protein
p.Asp503=
Coding
c.1509C>T
MANE Select
NM_001111067
dbSNP
rs367857827
Type
single nucleotide variant
Location
chr2:157737552 (GRCh38)
Gene constraint
LOEUF 0.835 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 83.70 · 85 PDB
Full ACVR1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/acvr1-p-asp503 (accessed [today's date]).

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