HRAS p.Glu76=
c.228G>A · rs1057522598 · VCV386770
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00133%, afr)
Conditions
1
Costello syndrome
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not looked up on this page · why |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 0.087 | GERP -3.7, phastCons 0.92 |
| Overall | ||
| CADD | 2.383 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00133%
African / African-American · 1/74,918 alleles
Overall
0.000124%
2/1,613,282 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00133% | 74,918 |
| European (non-Finnish) | 8.47e-05% | 1,180,016 |
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
- HRAS
- Protein
- p.Glu76=
- Coding
- c.228G>A
- MANE Select
- NM_198075 · reported on NM_005343
- dbSNP
- rs1057522598
- Type
- single nucleotide variant
- Location
- chr11:533828 (GRCh38)
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/hras-p-glu76 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown