Is ACD p.Trp24Ser (c.71G>C) pathogenic?

ACD p.Trp24Ser (c.71G>C) is classified Uncertain significance in ACD (ClinVar, Single submitter, 1 submitter; last evaluated 2021-07-16). Ultra-rare (popmax 0.0803%, amr); Associated with Inborn genetic diseases.

What condition is associated with ACD p.Trp24Ser (c.71G>C)?

ACD p.Trp24Ser (c.71G>C) is associated with Inborn genetic diseases (ClinVar).

How common is ACD p.Trp24Ser (c.71G>C) in the general population?

ACD p.Trp24Ser (c.71G>C) is ultra-rare (popmax 0.0803%, amr) (gnomAD).

ACD p.Trp24Ser

c.71G>C · rs774278103 · VCV1757657

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

ultra-rare (popmax 0.0803%, amr)

Conditions

Inborn genetic diseases

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.023	moderately benign-leaning
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -0.15	GERP -1.6, phastCons 0.001
Overall
CADD	4.418	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0803% Admixed American · 48/59,756 alleles

Filtering AF 0.0622% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0558%

Overall 0.00304% 49/1,609,664 alleles · ultra-rare exomes 37/1,457,450 · genomes 12/152,214 · joint denominator

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0803%	1,245
Remaining individualsnot grpmax-eligible	0.00161%	62,246

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: ACD
Protein: p.Trp24Ser
Coding: c.71G>C
MANE Select: NM_001082486
dbSNP: rs774278103
Type: single nucleotide variant
Location: chr16:67660408 (GRCh38)
Gene constraint: LOEUF 0.921 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 63.09 · 28 PDB

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.Ser24Thr Uncertain significance ★ ⚠ same residue
ACD p.Trp24Cys Uncertain significance ★ same residue
ACD p.Ser24Phe 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
ACD c.-35C>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-trp24ser (accessed [today's date]).

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