USH2A p.Pro337=
c.1011T>C · rs146950070 · VCV721654
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00334%, amr)
Conditions
1
Usher syndrome type 2A
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 -4.4 | GERP -3.2 |
| Overall | ||
| CADD | 0.166 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00334%
Admixed American · 2/59,960 alleles
Filtering AF
0.000688%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000539%
Overall
0.00112%
18/1,613,884 alleles · very rare
exomes 15/1,461,680 · genomes 3/152,204 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.00334% | 29,980 |
| Remaining individualsnot grpmax-eligible | 0.0032% | 31,239 |
| European (non-Finnish) | 0.00119% | 84,282 |
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
- USH2A
- Protein
- p.Pro337=
- Coding
- c.1011T>C
- MANE Select
- NM_206933
- dbSNP
- rs146950070
- Type
- single nucleotide variant
- Location
- chr1:216325437 (GRCh38)
- Gene constraint
- LOEUF 0.855 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Residue 337
- the laminin n-terminal domain
Similar variants
- USH2A c.12295-3T>A Pathogenic ★★★ same condition
- USH2A c.8559-2A>G Pathogenic ★★★ same condition
- USH2A c.8682-9A>G Pathogenic ★★★ same condition
- USH2A p.Ala4740Asp Pathogenic ★★★ ⚠ same condition
- USH2A p.Arg3905Cys Pathogenic ★★★ ⚠ same condition
- USH2A p.Arg4192Cys Likely pathogenic ★★★ ⚠ same condition
- USH2A p.Asn346His Pathogenic ★★★ same condition
- USH2A p.Asn4292Asp Likely pathogenic ★★★ ⚠ same condition
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/ush2a-p-pro337 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown