C6 p.Leu443=
c.1327C>T · rs2478503982 · VCV2844616
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00133%, afr)
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 -0.64 | GERP -3.8 |
| Overall | ||
| CADD | 2.217 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00133%
African / African-American · 1/75,006 alleles
Overall
6.84e-05%
1/1,461,362 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
- C6
- Protein
- p.Leu443=
- Coding
- c.1327C>T
- MANE Select
- NM_000065
- dbSNP
- rs2478503982
- Type
- single nucleotide variant
- Location
- chr5:41161824 (GRCh38)
- Gene constraint
- LOEUF 1.008 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 79.72 · 11 PDB
- Residue 443
- the macpf domain
Similar variants
- C6 p.Arg596Ter Pathogenic/Likely pathogenic ★★ same type
- C6 p.Arg606Ter Pathogenic ★★ same type
- C6 p.Cys218Ter Pathogenic/Likely pathogenic ★★ same type
- C6 p.Tyr683Ter Pathogenic/Likely pathogenic ★★ same type
- C6 p.Ala21Val Uncertain significance ★★ ⚠ same type
- C6 p.Ala396Gly Uncertain significance ★★ ⚠ same type
- C6 p.Ala456Thr Uncertain significance ★★ ⚠ same type
- C6 p.Ala500Ser 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/c6-p-leu443 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown