BCS1L p.Ser259=
c.777C>T · rs2469889505 · VCV2811799
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000169%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.24 | benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -1.4 | GERP -4.3 |
| Overall | ||
| CADD | 9.684 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.000169%
European (non-Finnish) · 2/1,180,046 alleles
Filtering AF
2.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.1e-05%
Overall
0.000124%
2/1,614,216 alleles · very rare
exomes 2/1,461,858 · genomes 0/152,358 · joint denominator
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
- BCS1L
- Protein
- p.Ser259=
- Coding
- c.777C>T
- MANE Select
- NM_001079866
- dbSNP
- rs2469889505
- Type
- single nucleotide variant
- Location
- chr2:218662567 (GRCh38)
- Gene constraint
- LOEUF 0.958 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 87.10
Similar variants
- BCS1L p.Ser259Thr Conflicting classifications of pathogenicity ★ ⚠ same residue
- BCS1L c.320+1G>T Pathogenic/Likely pathogenic ★★ same type
- BCS1L c.321-2A>G Likely pathogenic ★★ same type
- BCS1L c.889+1G>T Pathogenic/Likely pathogenic ★★ same type
- BCS1L c.889+2T>G Likely pathogenic ★★ same type
- BCS1L c.-50+388C>G Likely pathogenic ★★ same type
- BCS1L c.-50+405A>G Pathogenic/Likely pathogenic ★★ same type
- BCS1L p.Arg109Trp Pathogenic/Likely 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/bcs1l-p-ser259 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown