BLM p.Leu867=
c.2599T>C · rs370713907 · VCV1106574
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00934%, afr)
Conditions
2
hereditary neoplastic syndrome
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 3.5 | GERP 0.27, phastCons 1 |
| Overall | ||
| CADD | 8.993 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00934%
African / African-American · 7/74,914 alleles
Filtering AF
0.00437%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00309%
Overall
0.000682%
11/1,613,778 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00934% | 10,702 |
| Admixed American | 0.00667% | 14,997 |
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
- BLM
- Protein
- p.Leu867=
- Coding
- c.2599T>C
- MANE Select
- NM_000057
- dbSNP
- rs370713907
- Type
- single nucleotide variant
- Location
- chr15:90782865 (GRCh38)
- Gene constraint
- LOEUF 0.847 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 61.10 · 16 PDB
- Residue 867
- a β-strand
Similar variants
- BLM p.Leu867Phe Uncertain significance ★★ ⚠ same residue
- BLM c.1087+1G>A Likely pathogenic ★★ same condition
- BLM c.1088-1G>A Likely pathogenic ★★ same condition
- BLM c.1220+2T>C Likely pathogenic ★★ same condition
- BLM c.1220+2T>G Likely pathogenic ★★ same condition
- BLM c.1882+2T>C Likely pathogenic ★★ same condition
- BLM c.2074+1G>T Likely pathogenic ★★ same condition
- BLM c.2075-1G>A 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/blm-p-leu867 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown