Is ACP5 p.Pro207= (c.621C>T) pathogenic?

ACP5 p.Pro207= (c.621C>T) is classified Likely benign in ACP5 (ClinVar, Single submitter, 2 submitters; last evaluated 2025-12-10). Ultra-rare (popmax 0.0601%, amr); Associated with Spondyloenchondrodysplasia with immune dysregulation.

What condition is associated with ACP5 p.Pro207= (c.621C>T)?

ACP5 p.Pro207= (c.621C>T) is associated with Spondyloenchondrodysplasia with immune dysregulation (ClinVar).

How common is ACP5 p.Pro207= (c.621C>T) in the general population?

ACP5 p.Pro207= (c.621C>T) is ultra-rare (popmax 0.0601%, amr) (gnomAD).

ACP5 p.Pro207=

c.621C>T · rs372107388 · VCV770283

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0601%, amr)

Conditions

Spondyloenchondrodysplasia with immune dysregulation

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 -16	GERP -3.5
Overall
CADD	0.27	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0601% Admixed American · 36/59,898 alleles

Filtering AF 0.0445% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0392%

Overall 0.00354% 57/1,610,260 alleles · ultra-rare

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0601%	1,664
South Asian	0.0033%	30,337
Remaining individualsnot grpmax-eligible	0.00321%	31,147
European (non-Finnish)	0.00136%	73,635

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: ACP5
Protein: p.Pro207=
Coding: c.621C>T
MANE Select: NM_001611
dbSNP: rs372107388
Type: single nucleotide variant
Location: chr19:11576357 (GRCh38)
Gene constraint: LOEUF 1.14 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 94.82 · 2 PDB
Residue 207: a disulfide bond

Full ACP5 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Spondyloenchondrodysplasia with immune dysregulation — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

ACP5 p.Pro207Thr Uncertain significance ★ ⚠ same residue
ACP5 p.Arg176Ter Pathogenic ★★ same condition
ACP5 p.Gln184Ter Pathogenic/Likely pathogenic ★★ same condition
ACP5 p.Gly109Arg Pathogenic/Likely pathogenic ★★ same condition
ACP5 p.Met264Lys Pathogenic/Likely pathogenic ★★ ⚠ same condition
ACP5 p.Tyr123Ter Pathogenic ★★ same condition
ACP5 p.Tyr246Ter Pathogenic/Likely pathogenic ★★ same condition
ACP5 p.Tyr74Ter Pathogenic/Likely pathogenic ★★ 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/acp5-p-pro207 (accessed [today's date]).

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