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FLRT1 p.Ser259Leu

c.776C>T · rs776773158 · VCV566239

Uncertain significance Multiple submitters
Classification
Uncertain significance
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0119%, amr)
Conditions
1
peripheral neuropathy

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.189benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 4.8GERP 2, phastCons 1
Regional constrainto/e 0.78unconstrained · MANE · 2,021 bp · p 5.7e-12 · regional, not allelic
Overall
CADD24.2PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0119% Admixed American · 7/58,772 alleles
Filtering AF 0.00553% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00387%
Overall 0.00118% 19/1,606,674 alleles · ultra-rare exomes 19/1,454,354 · genomes 0/152,320 · joint denominator
Ancestry group Frequency 1 in
Admixed Americangrpmax 0.0119% 8,396
South Asian 0.00111% 90,124
European (non-Finnish) 0.000935% 106,997

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
FLRT1
Protein
p.Ser259Leu
Coding
c.776C>T
MANE Select
NM_013280
dbSNP
rs776773158
Type
single nucleotide variant
Location
chr11:64117043 (GRCh38)
Gene constraint
LOEUF 0.682 · pLI 0.14 (gnomAD)
Structure
AlphaFold pLDDT 73.46
Full FLRT1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/flrt1-p-ser259leu (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown