MACF1 p.Ala1083=
c.3249A>C · rs199899784 · VCV1927843
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.014%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.02 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
| Constraint at this position | ||
| Conservation | phyloP -0.73 | GERP -3.1 |
| Overall | ||
| CADD | 8.184 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.014%
European (non-Finnish) · 165/1,179,836 alleles
Filtering AF
0.0122%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0116%
Overall
0.0104%
168/1,613,478 alleles · ultra-rare
exomes 161/1,461,246 · genomes 7/152,232 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.014% | 7,151 |
| Remaining individualsnot grpmax-eligible | 0.0032% | 31,228 |
| African / African-American | 0.00133% | 74,922 |
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
- MACF1
- Protein
- p.Ala1083=
- Coding
- c.3249A>C
- MANE Select
- NM_001394062
- dbSNP
- rs199899784
- Type
- single nucleotide variant
- Location
- chr1:39310979 (GRCh38)
- Gene constraint
- LOEUF 0.238 · pLI 1.00 (gnomAD)
- Residue 1083
- the 'disordered' region
Similar variants
- MACF1 p.Arg7251Pro Likely pathogenic ★★ same type
- MACF1 p.Ala5598Ser Uncertain significance ★★ same type
- MACF1 p.Ala601Pro Uncertain significance ★★ ⚠ same type
- MACF1 p.Arg1196Gln Uncertain significance ★★ ⚠ same type
- MACF1 p.Arg30Gln Uncertain significance ★★ same type
- MACF1 p.Arg3713Cys Uncertain significance ★★ ⚠ same type
- MACF1 p.Arg4674Cys Uncertain significance ★★ same type
- MACF1 p.Arg5490Gln 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/macf1-p-ala1083 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown