MYSM1 p.Pro558=
c.1674C>A · rs1644516052 · VCV2100718
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 8.52e-05%, nfe)
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 -0.16 | GERP 0.063, phastCons 0.05 |
| Overall | ||
| CADD | 4.884 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
8.52e-05%
European (non-Finnish) · 1/1,173,424 alleles
Overall
6.28e-05%
1/1,592,696 alleles · very rare
exomes 1/1,440,524 · genomes 0/152,172 · joint denominator
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
- MYSM1
- Protein
- p.Pro558=
- Coding
- c.1674C>A
- MANE Select
- NM_001085487
- dbSNP
- rs1644516052
- Type
- single nucleotide variant
- Location
- chr1:58669026 (GRCh38)
- Gene constraint
- LOEUF 0.578 · pLI 0.09 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 64.69 · 2 PDB
- Residue 558
- a UniProt-annotated variant site (in bmfs4)
Similar variants
- MYSM1 p.Arg506Ter Pathogenic ★★ same type
- MYSM1 p.Gln629Ter Pathogenic ★★ same type
- MYSM1 p.Arg138Gln Uncertain significance ★★ ⚠ same type
- MYSM1 p.Arg150Cys Uncertain significance ★★ ⚠ same type
- MYSM1 p.Arg204Cys Uncertain significance ★★ ⚠ same type
- MYSM1 p.Arg478Gln Uncertain significance ★★ ⚠ same type
- MYSM1 p.Arg494His Uncertain significance ★★ ⚠ same type
- MYSM1 p.Arg499His 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/mysm1-p-pro558 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown