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ACD p.Arg19Ser

c.55C>A · rs777972235 · VCV1748548

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000424%, nfe)
Conditions
1
Inborn genetic diseases

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.015strongly benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -1GERP -2.1
Overall
CADD1.67PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000424% European (non-Finnish) · 5/1,179,480 alleles
Filtering AF 0.000124% ClinGen BA1/BS1 input FAF95, joint · FAF99 9e-05%
Overall 0.000343% 5/1,457,940 alleles · very rare

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.Arg19Ser
Coding
c.55C>A
MANE Select
NM_001082486
dbSNP
rs777972235
Type
single nucleotide variant
Location
chr16:67660424 (GRCh38)
Gene constraint
LOEUF 0.921 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure
AlphaFold pLDDT 63.09 · 28 PDB
Residue 19
a β-strand
Full ACD 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/acd-p-arg19ser (accessed [today's date]).

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