FLAD1 p.Ser495=
c.1485C>G · rs2525794425 · VCV2020771
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 -0.083 | GERP 0.72 |
| Overall | ||
| CADD | 8.22 | 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
- FLAD1
- Protein
- p.Ser495=
- Coding
- c.1485C>G
- MANE Select
- NM_025207
- dbSNP
- rs2525794425
- Type
- single nucleotide variant
- Location
- chr1:154990459 (GRCh38)
- Gene constraint
- LOEUF 0.809 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 83.34 · 2 PDB
- Residue 495
- the 'fad synthase' region; an α-helix
Similar variants
- FLAD1 p.Ser495del Pathogenic ★ same residue
- FLAD1 p.Arg148Ter Pathogenic ★★ same type
- FLAD1 p.Arg249Ter Pathogenic ★★ same type
- FLAD1 p.Arg530Cys Pathogenic/Likely pathogenic ★★ ⚠ same type
- FLAD1 p.Cys136Ter Pathogenic/Likely pathogenic ★★ same type
- FLAD1 c.1365-3A>G Uncertain significance ★★ same type
- FLAD1 p.Arg137Gln Uncertain significance ★★ ⚠ same type
- FLAD1 p.Arg137Trp Uncertain significance ★★ ⚠ 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/flad1-p-ser495 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown