FLNB p.Ala201Thr
c.601G>A · VCV4083419
Pathogenic
Single submitter
Classification
Pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
AlphaMissense
likely pathogenic
0.987 · ACMG-weighted
gnomAD v4.1
Absent
absent from gnomAD v4.1
Missense predictors
3/3 damaging
AlphaMissense, REVEL, SaProt
Computational evidence
| Protein change | ||
| AlphaMissense | 0.987 | likely pathogenic ✓ concordant with ClinVar · top 7% in FLNB |
|---|---|---|
| REVEL | 0.962 | strongly pathogenic-leaning |
| SaProt | LLR -13.27 | damaging |
| ⇒ AlphaMissense, REVEL and SaProt all call this damaging. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 12 | GERP 2.8, phastCons 1 |
| Regional constraint | o/e 0.66 | unconstrained · MANE · 89 kb · p 2.4e-13 · regional, not allelic |
| Overall | ||
| CADD | 28.1 | PHRED · no single calibrated threshold — expert panels disagree |
AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.
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
- FLNB
- Protein
- p.Ala201Thr
- Coding
- c.601G>A
- MANE Select
- NM_001457
- Type
- single nucleotide variant
- Location
- chr3:58078776 (GRCh38)
- Gene constraint
- LOEUF 0.504 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 76.96 · 23 PDB
- Residue 201
- an α-helix; the calponin-homology (ch) 2 domain; the 'actin-binding' region
Similar variants
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- FLNB c.5110-1G>A Likely pathogenic ★★ same type
- FLNB p.Arg1463Ter Pathogenic/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
- FLNB p.Gly168Ser 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/flnb-p-ala201thr (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown