Is ACD p.Ala20= (c.60A>T) pathogenic?

ACD p.Ala20= (c.60A>T) is classified Likely benign in ACD (ClinVar, Single submitter, 1 submitter; last evaluated 2023-11-16). Absent from gnomAD v4.1; Associated with Inborn genetic diseases.

What condition is associated with ACD p.Ala20= (c.60A>T)?

ACD p.Ala20= (c.60A>T) is associated with Inborn genetic diseases (ClinVar).

How common is ACD p.Ala20= (c.60A>T) in the general population?

ACD p.Ala20= (c.60A>T) is absent from gnomAD v4.1 (gnomAD).

ACD p.Ala20=

c.60A>T · rs1315211018 · VCV3232677

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

Inborn genetic diseases

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 -2.3	GERP -0.37
Overall
CADD	5.83	PHRED · no single calibrated threshold — expert panels disagree

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: ACD
Protein: p.Ala20=
Coding: c.60A>T
MANE Select: NM_001082486
dbSNP: rs1315211018
Type: single nucleotide variant
Location: chr16:67660419 (GRCh38)
Gene constraint: LOEUF 0.921 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 63.09 · 28 PDB
Residue 20: a β-strand

Full ACD 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

ACD p.Ala20Thr Uncertain significance ★★ same residue
ACD p.Ala20Gly Uncertain significance ★ same residue
ACD p.Ala20Val Uncertain significance ★ same residue
ACD p.Ser20Pro Uncertain significance ★ ⚠ same residue
ACD c.-20C>T Uncertain significance ★★ same condition
ACD c.-26T>G Uncertain significance ★★ same condition
ACD c.-29C>A Uncertain significance ★★ same condition
ACD c.-30C>T 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/acd-p-ala20 (accessed [today's date]).

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