FLT3 p.Gln338=
c.1014A>G · rs199500977 · VCV762217
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0022%, sas)
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 -0.077 | GERP -4.4, phastCons 0.77 |
| Overall | ||
| CADD | 7.765 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0022%
South Asian · 2/90,952 alleles
Filtering AF
0.000365%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000137%
Overall
0.000274%
4/1,461,548 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0022% | 45,476 |
| European (non-Finnish) | 0.00017% | 589,960 |
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.Gln338=
- Coding
- c.1014A>G
- MANE Select
- NM_004119
- dbSNP
- rs199500977
- Type
- single nucleotide variant
- Location
- chr13:28049406 (GRCh38)
- Gene constraint
- LOEUF 0.468 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 76.19 · 11 PDB
- Residue 338
- the ig-like c2-type domain
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-gln338 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown