Is EDC3 p.Asp478Asn (c.1432G>A) pathogenic?

EDC3 p.Asp478Asn (c.1432G>A) is classified Uncertain significance in EDC3 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-04-23). AlphaMissense: likely pathogenic (0.7511); Very rare (popmax 0.004%, afr).

How common is EDC3 p.Asp478Asn (c.1432G>A) in the general population?

EDC3 p.Asp478Asn (c.1432G>A) is very rare (popmax 0.004%, afr) (gnomAD).

What do computational predictors say about EDC3 p.Asp478Asn (c.1432G>A)?

AlphaMissense predicts likely pathogenic (score 0.7511) — an in-silico prediction, not a clinical call.

EDC3 p.Asp478Asn

c.1432G>A · VCV3274471

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.7511 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.004%, afr)

Missense predictors

2/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.7511	likely pathogenic
REVEL	0.173	moderately benign-leaning
SaProt	LLR -10.37	damaging
⇒ AlphaMissense and SaProt call this damaging; REVEL does not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.6	GERP 1.9, phastCons 1
Regional constraint	o/e 0.67	unconstrained · MANE · 23 kb · p 1.7e-10 · regional, not allelic
Overall
CADD	28.2	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 0.004% African / African-American · 3/74,912 alleles

Filtering AF 0.00106% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000495%

Overall 0.000743% 12/1,614,026 alleles · very rare

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.004%	24,971
Admixed American	0.00167%	60,004
Remaining individualsnot grpmax-eligible	0.0016%	62,486
European (non-Finnish)	0.000593%	168,577

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: EDC3
Protein: p.Asp478Asn
Coding: c.1432G>A
MANE Select: NM_025083
Type: single nucleotide variant
Location: chr15:74632707 (GRCh38)
Gene constraint: LOEUF 0.656 · pLI 0.04 (gnomAD)
Structure: AlphaFold pLDDT 77.04 · 6 PDB
Residue 478: the yjef n-terminal domain

Full EDC3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

EDC3 p.Arg260Trp Uncertain significance ★★ ⚠ same type
EDC3 p.Thr273= Benign ★★ same type
EDC3 c.821-2A>C Uncertain significance ★ same type
EDC3 p.Ala129Thr Uncertain significance ★ ⚠ same type
EDC3 p.Ala172Pro Uncertain significance ★ ⚠ same type
EDC3 p.Ala312Thr Uncertain significance ★ ⚠ same type
EDC3 p.Arg232His Uncertain significance ★ ⚠ same type
EDC3 p.Arg243Gln Uncertain significance ★ ⚠ same type

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/edc3-p-asp478asn (accessed [today's date]).

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