Genetic Information
Gene & Transcript Details
Gene
FH
Transcript
NM_000143.4
MANE Select
Total Exons
—
Reference Sequence
NC_000001.10
Alternative Transcripts
| ID | Status | Details |
|---|---|---|
| NM_000143.3 | RefSeq Select | 1877 nt | 64–1596 |
| NM_000143.2 | Alternative | 1791 nt | 33–1565 |
| NM_000143.4 | MANE Select | 1791 nt | 34–1566 |
Variant Details
HGVS Notation
NM_000143.4:c.1366G>T
Protein Change
V456L
Location
Exon 9
(Exon 9 of )
9
5'Exon Structure3'
Functional Consequence
Loss of Function
Alternate Identifiers
—
Clinical & Population Data
Population Frequency
gnomAD Global Frequency
0.00318 in 100,000
Extremely Rare
ACMG Criteria Applied
PM2
This variant is absent or extremely rare in population databases (PM2 criteria applies).
ClinVar
OpenClassification
Uncertain Significance (VUS)
1 publications
Clinical Statement
"This variant has been reported in ClinVar as Uncertain significance (1 clinical laboratories)."
COSMIC Somatic Evidence
OpenCOSMIC ID
Recurrence
0 occurrences
PM1 Criteria
Not Applied
COSMIC Database Preview
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Functional Impact & Domains
Functional Domain
Hotspot Status
Not a hotspot
Domain Summary
This variant is not located in a mutational hotspot or critical domain.
Related Variants in This Domain
No evidence of other pathogenic variants at this position in gene FH.
Functional Summary
Error in OpenAI Consolidation. OncoKB: FHV456LFHV456LSomaticNCBI Gene:2271|Show additional gene information Variant OverviewFH, an enzyme that converts fumarate to malate in the TCA cycle, is infrequently altered in cancer.The FH V456L mutation has not specifically been reviewed by the OncoKB team, and therefore its biological significance is unknown. JAX-CKB: No results found
Database Previews
OncoKB
JAX-CKB
Click on previews to view full database entries. External databases may require institutional access.
Computational Analysis
Pathogenicity Predictions
SpliceAIPredictor Consensus
Mixed/VUS
PP3 Applied
No
REVEL Score
0.0
Threshold: ≥0.75 = PP3 applied
SpliceAI Scores
Window: ±500bp| Effect Type | Score | Position |
|---|---|---|
| Acceptor Loss (AL) | 0.02 | 83 bp |
| Donor Loss (DL) | 0.0 | -24 bp |
| Acceptor Gain (AG) | 0.0 | -7 bp |
| Donor Gain (DG) | 0.0 | 107 bp |
High impact (≥0.5)
Medium impact (0.2-0.49)
Low impact (<0.2)
VCEP Guidelines
Applied ACMG/AMP Criteria (VCEP Specific)
Filter Criteria:
PM2
PM2 (Unknown (Pre-LLM))
From pre-LLM assessment (LLM Failed)
BP4
BP4 (Unknown (Pre-LLM))
From pre-LLM assessment (LLM Failed)