LIG3 p.Ala342=
c.1026A>G · VCV3898496
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1
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 -0.27 | GERP 0.72, phastCons 0.002 |
| Overall | ||
| CADD | 9.256 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- LIG3
- Protein
- p.Ala342=
- Coding
- c.1026A>G
- MANE Select
- NM_013975
- Type
- single nucleotide variant
- Location
- chr17:34991099 (GRCh38)
- Gene constraint
- LOEUF 0.627 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 76.11 · 13 PDB
- Residue 342
- a UniProt-annotated variant site (in mtdps20); an α-helix
Similar variants
- LIG3 c.1209-2A>G Pathogenic/Likely pathogenic ★★ same type
- LIG3 p.Arg648Gln Uncertain significance ★★ ⚠ same type
- LIG3 p.Gln398Arg Uncertain significance ★★ ⚠ same type
- LIG3 p.Ser248Asn Uncertain significance ★★ ⚠ same type
- LIG3 c.1041+11C>T Benign ★★ same type
- LIG3 c.1912-3C>T Benign/Likely benign ★★ same type
- LIG3 c.2331+19G>A Benign ★★ same type
- LIG3 c.2796+6G>A Likely benign ★★ 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/lig3-p-ala342 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown