DCC p.Leu439=
c.1317G>A · rs777267562 · VCV2648725
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0164%, mid)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 6.7 | GERP 0.89, phastCons 1 |
| Overall | ||
| CADD | 11.74 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0164%
Middle Eastern · 1/6,084 alleles
Filtering AF
0.00428%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00295%
Overall
0.00304%
49/1,613,990 alleles · ultra-rare
exomes 42/1,461,842 · genomes 7/152,148 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0164% | 6,084 |
| Admixed American | 0.01% | 9,999 |
| Remaining individualsnot grpmax-eligible | 0.0064% | 15,622 |
| European (non-Finnish) | 0.00322% | 31,053 |
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
- DCC
- Protein
- p.Leu439=
- Coding
- c.1317G>A
- MANE Select
- NM_005215
- dbSNP
- rs777267562
- Type
- single nucleotide variant
- Location
- chr18:53157411 (GRCh38)
- Gene constraint
- LOEUF 0.414 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 68.60 · 9 PDB
- Residue 439
- a UniProt-annotated variant site (in mrmv1; likely pathogenic); a β-strand; the fibronectin type-iii 1 domain
Similar variants
- DCC p.Arg1021Ter Pathogenic ★★ same type
- DCC p.Arg1025Ter Pathogenic/Likely pathogenic ★★ same type
- DCC p.Arg275Ter Pathogenic ★★ same type
- DCC p.Arg879Ter Pathogenic/Likely pathogenic ★★ same type
- DCC c.3620-2A>G Uncertain significance ★★ same type
- DCC p.Arg597Gln Uncertain significance ★★ same type
- DCC p.Gly1294Arg Uncertain significance ★★ ⚠ same type
- DCC p.Gly55Arg 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/dcc-p-leu439 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown