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LYFE SCIENCES
Project: HERA
NM_004119.2:c.1794_1795insACCATTGATTTCAGAGAATATGAA
p.Glu598_Tyr599insThrIleAspPheArgGluTyrGlu  ·  FLT3
Local FLT3 ITD / activating length-mutation framework · vlocal-flt3-itd-framework-v1
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Classification rationale
1

The FLT3 c.1794_1795insACCATTGATTTCAGAGAATATGAA (p.(Glu598_Tyr599insThrIleAspPheArgGluTyrGlu); p.(E598_Y599insTIDFREYE)) variant has not been observed in somatic cancers in COSMIC and has not been reported in ClinVar.

cosmic ↗ clinvar ↗
2

This variant is absent from gnomAD v2.1 and gnomAD v4.1, which is below the default PM2 population threshold of 0.1%.

gnomad_v2 ↗ gnomad_v4 ↗
3

This variant affects the established FLT3 juxtamembrane ITD hotspot at codons 598 to 599; published studies showed recurrent constitutive activation for FLT3 ITDs in the codon 589 to 599 cluster, and OncoKB classifies this exact variant as Likely Oncogenic with a Likely Gain-of-function effect.

oncokb ↗ PMID:9737679 ↗ PMID:11090077 ↗ PMID:11756186 ↗
4

SpliceAI predicts no significant splice impact for this variant, with a maximum delta score of 0.06.

spliceai ↗
Applied criteria
Met
Not met
Not assessed
N/A
Very strong
Strong
Moderate
Supporting
Pathogenic evidence
PVS
PVS1
PS
PS1
PS2
PS3
PS4
PM
PM1
PM2
PM3
PM4
PM5
PM6
PP
PP1
PP2
PP3
PP4
PP5
Benign evidence
BA
BA1
BS
BS1
BS2
BS3
BS4
BP
BP1
BP2
BP3
BP4
BP5
BP6
BP7
PVS1
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Rationale
Select a criterion to inspect its explanation.
Evidence used
  • —
Gaps remaining
  • —
Rule
—
Publications
—
Research and evidence
ClinVar evidence
02
ClinVar
This variant is absent from ClinVar.
ClinVar ↗
Functional evidence
03
Functional
OncoKB: Likely Oncogenic
OncoKB classifies this variant as Likely Oncogenic; biological effect: Likely Gain-of-function.
OncoKB ↗
In silico evidence
04
In silico
SpliceAI predicts no significant splice impact for this variant (max delta score = 0.06).
SpliceAI ↗
COSMIC evidence
05
COSMIC
This variant does not lie in a statistically significant hotspot. This variant has not previously been reported in somatic cancers (COSMIC).
COSMIC ↗
Cancer hotspots evidence
06
Cancer hotspots Not found
This variant does not lie in a statistically significant hotspot.
ResidueE598
Hotspots ↗