ATIC p.Ala261=
c.783C>T · rs151259995 · VCV745701
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0039%, nfe)
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 -20 | GERP -4.7 |
| Overall | ||
| CADD | 0.879 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0039%
European (non-Finnish) · 46/1,180,030 alleles
Filtering AF
0.00299%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00267%
Overall
0.00291%
47/1,613,934 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.0039% | 25,653 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,484 |
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
- ATIC
- Protein
- p.Ala261=
- Coding
- c.783C>T
- MANE Select
- NM_004044
- dbSNP
- rs151259995
- Type
- single nucleotide variant
- Location
- chr2:215332476 (GRCh38)
- Gene constraint
- LOEUF 1.044 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 97.46 · 5 PDB
- Residue 261
- the 'aicar formyltransferase' region; a β-strand
Similar variants
- ATIC c.688+3A>G Uncertain significance ★★ same type
- ATIC p.Ala140Thr Uncertain significance ★★ ⚠ same type
- ATIC p.Ala183Glu Uncertain significance ★★ ⚠ same type
- ATIC p.Ala510Thr Uncertain significance ★★ ⚠ same type
- ATIC p.His584Arg Uncertain significance ★★ ⚠ same type
- ATIC p.Ile491Val Uncertain significance ★★ ⚠ same type
- ATIC p.Val154Ala Uncertain significance ★★ ⚠ same type
- FN1 p.Ala2470Pro Uncertain significance ★★ ⚠ same type
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/atic-p-ala261 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown