ADGRA3 c.545+18del
Benign
Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00149%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +18 | near-intronic (+18 nt from the splice site) |
|---|---|---|
| SpliceAI | — | not assessed · substitutions only |
| Constraint at this position | ||
| Conservation | phyloP -0.081 | GERP -3.1 |
| Non-coding constraint | Z 0.21 | 1 kb window · o/e 0.98 · regional · uncalibrated |
| Overall | ||
| CADD | 0.353 | PHRED · no single calibrated threshold — expert panels disagree |
| Region caveats | ||
| Repeat context | tandem | GA-rich low complexity · ambiguous alignment · confidence, not pathogenicity |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00149%
African / African-American · 1/67,056 alleles
Overall
0.000662%
1/151,104 alleles · very rare
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
- ADGRA3
- Coding
- c.545+18del
- MANE Select
- NM_145290
- Type
- Deletion
- Location
- chr4:22447422 (GRCh38)
- Gene constraint
- LOEUF 0.607 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 70.20
Similar variants
- ADGRA3 c.330-10_330-5del Uncertain significance ★ same type
- ADGRA3 c.401+3_401+6del Uncertain significance ★ same type
- ADGRA3 p.Ala1123fs Uncertain significance ★ same type
- ADGRA3 p.Arg210fs Uncertain significance ★ same type
- ADGRA3 p.Cys214fs Uncertain significance ★ same type
- ADGRA3 p.Gln712_Gly713delinsArg Uncertain significance ★ same type
- ADGRA3 p.Glu187fs Uncertain significance ★ same type
- ADGRA3 p.Gly32fs 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/adgra3-c-545-plus-18del (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown