MYO7A p.Arg1420=
c.4260C>T · rs757844017 · VCV2199774
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00802%, afr)
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 -20 | GERP -2.6 |
| Overall | ||
| CADD | 0.21 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00802%
African / African-American · 6/74,812 alleles
Filtering AF
0.00363%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00257%
Overall
0.00335%
54/1,609,930 alleles · very rare
exomes 50/1,457,750 · genomes 4/152,180 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00802% | 12,469 |
| South Asian | 0.00778% | 12,850 |
| Finnishnot grpmax-eligible | 0.0047% | 21,259 |
| Remaining individualsnot grpmax-eligible | 0.00321% | 31,166 |
| European (non-Finnish) | 0.00306% | 32,731 |
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
- MYO7A
- Protein
- p.Arg1420=
- Coding
- c.4260C>T
- MANE Select
- NM_000260
- dbSNP
- rs757844017
- Type
- single nucleotide variant
- Location
- chr11:77194461 (GRCh38)
- Gene constraint
- LOEUF 0.995 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 77.73 · 1 PDB
- Residue 1420
- the ferm 1 domain
Similar variants
- MYO7A p.Arg1420Cys Uncertain significance ★ ⚠ same residue
- MYO7A p.Arg1420His Uncertain significance ★ same residue
- MYO7A p.Ala1288Pro Likely pathogenic ★★★ same type
- MYO7A p.Arg1168Gln Pathogenic ★★★ ⚠ same type
- MYO7A p.Arg1873Gln Pathogenic ★★★ ⚠ same type
- MYO7A p.Arg395Cys Likely pathogenic ★★★ ⚠ same type
- MYO7A p.Arg668Cys Pathogenic ★★★ same type
- MYO7A p.Arg853His Likely pathogenic ★★★ 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/myo7a-p-arg1420 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown