Is ACD p.Pro282= (c.846C>T) pathogenic?

ACD p.Pro282= (c.846C>T) is classified Likely benign in ACD (ClinVar, Multiple submitters, 4 submitters; last evaluated 2025-12-22). Ultra-rare (popmax 0.0483%, amr); Associated with Inborn genetic diseases.

What condition is associated with ACD p.Pro282= (c.846C>T)?

ACD p.Pro282= (c.846C>T) is associated with Inborn genetic diseases, dyskeratosis congenita, autosomal dominant 6 (ClinVar).

How common is ACD p.Pro282= (c.846C>T) in the general population?

ACD p.Pro282= (c.846C>T) is ultra-rare (popmax 0.0483%, amr) (gnomAD).

ACD p.Pro282=

c.846C>T · rs199856965 · VCV719728

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 4 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0483%, amr)

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 -0.22	GERP -3.2
Overall
CADD	3.675	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0483% Admixed American · 29/60,022 alleles

Filtering AF 0.0345% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0299%

Overall 0.00279% 45/1,613,704 alleles · ultra-rare

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0483%	2,070
Remaining individualsnot grpmax-eligible	0.0112%	8,926
South Asian	0.00329%	30,360
African / African-American	0.00133%	75,046
European (non-Finnish)	0.000424%	235,986

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.Pro282=
Coding: c.846C>T
MANE Select: NM_001082486
dbSNP: rs199856965
Type: single nucleotide variant
Location: chr16:67658346 (GRCh38)
Gene constraint: LOEUF 0.921 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 63.09 · 28 PDB
Residue 282: the 'disordered' region

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

Also linked: dyskeratosis congenita, autosomal dominant 6

Similar variants

ACD p.Pro282Leu Uncertain significance ★★ ⚠ same residue
ACD p.Pro282Thr Uncertain significance ★ ⚠ same residue
ACD c.645+2T>C Uncertain significance ★★ same condition
ACD c.99+5G>A Uncertain significance ★★ same condition
ACD c.-20C>T Uncertain significance ★★ same condition
ACD c.-24C>T Uncertain significance ★★ same condition
ACD c.-26T>G Uncertain significance ★★ same condition
ACD c.-29C>A 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-pro282 (accessed [today's date]).

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