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ECE1 p.Asp547=

c.1641T>C · rs2228321 · VCV258085

Benign Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Common
common (popmax 38.5%, afr) — too common for a highly-penetrant pathogenic allele

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 2.6GERP 0.6, phastCons 1
Overall
CADD8.422PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 38.5% African / African-American · 28,864/74,916 alleles
Filtering AF 38.2% ClinGen BA1/BS1 input FAF95, joint · FAF99 38%
Overall 5.45% 87,985/1,613,554 alleles · common
Ancestry group Frequency 1 in
African / African-Americangrpmax 38.5% 3
Middle Eastern 6.69% 15
Remaining individualsnot grpmax-eligible 6.39% 16
Finnishnot grpmax-eligible 6.31% 16
Admixed American 4.73% 21
Ashkenazi Jewishnot grpmax-eligible 4.11% 24
European (non-Finnish) 3.76% 27
Amishnot grpmax-eligible 3.08% 33
South Asian 2.36% 42
East Asian 0.198% 504

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
ECE1
Protein
p.Asp547=
Coding
c.1641T>C
MANE Select
NM_001397
dbSNP
rs2228321
Type
single nucleotide variant
Location
chr1:21233587 (GRCh38)
Gene constraint
LOEUF 0.482 · pLI 0.99 (gnomAD)
Structure
AlphaFold pLDDT 91.16 · 1 PDB
Residue 547
a disulfide bond; the peptidase m13 domain; a turn
Full ECE1 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/ece1-p-asp547 (accessed [today's date]).

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