HBB p.Glu7=
c.21G>A · rs1589893600 · VCV933190
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Absent
absent from gnomAD v4.1
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 -20 | GERP -3.7 |
| Overall | ||
| CADD | 0.026 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- HBB
- Protein
- p.Glu7=
- Coding
- c.21G>A
- MANE Select
- NM_000518
- dbSNP
- rs1589893600
- Type
- single nucleotide variant
- Location
- chr11:5227001 (GRCh38)
- Gene constraint
- LOEUF 1.964 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 97.09 · 350 PDB
- Residue 7
- an α-helix; the globin domain; a UniProt-annotated variant site (in g-makassar); a UniProt-annotated variant site (in hb c; confers resistance to severe malaria); a UniProt-annotated variant site (in machida); a UniProt-annotated variant site (in skca; hb s; at heterozygosity confers resistance to malaria)
Similar variants
- HBB p.Glu7Lys Pathogenic/Likely pathogenic ★★ ⚠ same residue
- HBB p.Glu7Val Pathogenic ★★ ⚠ same residue
- HBB p.Glu7Gln Uncertain significance ★ ⚠ same residue
- HBB p.Glu7Ala Likely benign ★ same residue
- HBB p.Glu7Ter Pathogenic same residue
- HBB p.Glu7fs Pathogenic ★★ same residue
- HBB p.Glu7Met Likely pathogenic ★ same residue
- HBB c.316-146T>G 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/hbb-p-glu7 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown