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ATCAY p.Ala335=

c.1005G>A · VCV3353680

Likely benign No assertion criteria
Classification
Likely benign
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0134%, eas)
Conditions
1
ATCAY-related disorder

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
ConservationphyloP -5.6GERP -2.4
Overall
CADD0.656PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0134% East Asian · 6/44,884 alleles
Filtering AF 0.00579% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00394%
Overall 0.00223% 36/1,613,862 alleles · ultra-rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.0134% 7,481
Remaining individualsnot grpmax-eligible 0.0032% 31,231
European (non-Finnish) 0.00229% 43,699
African / African-American 0.00133% 74,952

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
ATCAY
Protein
p.Ala335=
Coding
c.1005G>A
MANE Select
NM_033064
Type
single nucleotide variant
Location
chr19:3918809 (GRCh38)
Gene constraint
LOEUF 0.725 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 70.68
Residue 335
the 'mediates interaction with gls' region; the 'disordered' region
Full ATCAY gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

ATCAY-related disorder

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/atcay-p-ala335 (accessed [today's date]).

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