FLNB p.Arg1463=
c.4389A>G · VCV3676812
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00335%, amr)
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 1.8 | GERP -1.8, phastCons 1 |
| Overall | ||
| CADD | 12.49 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00335%
Admixed American · 2/59,774 alleles
Filtering AF
0.000555%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000208%
Overall
0.000124%
2/1,609,964 alleles · very rare
exomes 0/1,457,778 · genomes 2/152,186 · 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
- FLNB
- Protein
- p.Arg1463=
- Coding
- c.4389A>G
- MANE Select
- NM_001457
- Type
- single nucleotide variant
- Location
- chr3:58130907 (GRCh38)
- Gene constraint
- LOEUF 0.504 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 76.96 · 23 PDB
- Residue 1463
- a β-strand; the 'interaction with fblp1' region
Similar variants
- FLNB p.Arg1463Ter Pathogenic/Likely pathogenic ★★ same residue
- FLNB p.Arg1463Gln Uncertain significance ★ ⚠ same residue
- FLNB c.4390+2T>C Pathogenic/Likely pathogenic ★★ same type
- FLNB c.5110-1G>A Likely pathogenic ★★ same type
- FLNB p.Arg1948Ter Pathogenic ★★ same type
- FLNB p.Arg649Ter Pathogenic ★★ same type
- FLNB p.Asp167Gly Likely pathogenic ★★ same type
- FLNB p.Glu227Lys 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/flnb-p-arg1463 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown