FLT3 p.Ile344=
c.1032C>T · rs146983744 · VCV729060
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
rare (popmax 0.111%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | all four deltas below 0.2 · G>C here scores Δ0.85 · evaluated, not missing |
|---|---|---|
| Pangolin | Δ0.25 | gain · loss 0.13 · SpliceAI below 0.2 · independent |
| Constraint at this position | ||
| Conservation | phyloP 4.4 | GERP 0.25, phastCons 1 |
| Overall | ||
| CADD | 13.42 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.111%
European (non-Finnish) · 1,309/1,179,650 alleles
Filtering AF
0.106%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.104%
Overall
0.0936%
1,509/1,613,002 alleles · rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.111% | 901 |
| Remaining individualsnot grpmax-eligible | 0.0897% | 1,115 |
| South Asian | 0.0738% | 1,355 |
| Finnishnot grpmax-eligible | 0.0547% | 1,828 |
| Admixed American | 0.0418% | 2,394 |
| Ashkenazi Jewishnot grpmax-eligible | 0.0237% | 4,221 |
| African / African-American | 0.0134% | 7,489 |
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
- FLT3
- Protein
- p.Ile344=
- Coding
- c.1032C>T
- MANE Select
- NM_004119
- dbSNP
- rs146983744
- Type
- single nucleotide variant
- Location
- chr13:28049388 (GRCh38)
- Gene constraint
- LOEUF 0.468 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 76.19 · 11 PDB
Similar variants
- FLT3 c.1205+56C>T Benign ★★ same type
- FLT3 c.1310-3T>C Benign ★★ same type
- FLT3 c.1418+75A>G Benign ★★ same type
- FLT3 c.1418+81A>G Benign ★★ same type
- FLT3 c.1419-15T>C Benign ★★ same type
- FLT3 c.1419-36T>A Benign ★★ same type
- FLT3 c.1597+8A>G Likely benign ★★ same type
- FLT3 c.165+118G>T Benign ★★ 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/flt3-p-ile344 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown