HMBS p.Leu85=
c.253C>T · rs2497432871 · VCV1973497
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
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 0.79 | GERP -3.4, phastCons 0.28 |
| Overall | ||
| CADD | 10.38 | 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
- HMBS
- Protein
- p.Leu85=
- Coding
- c.253C>T
- MANE Select
- NM_000190
- dbSNP
- rs2497432871
- Type
- single nucleotide variant
- Location
- chr11:119089259 (GRCh38)
- Gene constraint
- LOEUF 0.546 · pLI 0.81 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 90.54 · 11 PDB
- Residue 85
- an α-helix; a UniProt-annotated variant site (in aip)
Similar variants
- HMBS c.160+5G>C Pathogenic/Likely pathogenic ★★ same type
- HMBS c.345-1G>A Pathogenic ★★ same type
- HMBS c.613-1G>A Pathogenic ★★ same type
- HMBS c.826-2A>T Pathogenic/Likely pathogenic ★★ same type
- HMBS c.912+2T>C Pathogenic ★★ same type
- HMBS c.913-1G>A Pathogenic ★★ same type
- HMBS c.913-1G>C Pathogenic/Likely pathogenic ★★ same type
- HMBS c.913-2A>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/hmbs-p-leu85 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown