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KIT p.Asp816His

c.2446G>C · rs121913506 · VCV13863

Pathogenic Multiple submitters
Classification
Pathogenic
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 4 submitters
AlphaMissense
likely pathogenic
0.9993 · ACMG-weighted
gnomAD v4.1
Absent
absent from gnomAD v4.1
Missense predictors
3/3 damaging
AlphaMissense, REVEL, SaProt
Conditions
2
dysgerminoma

Computational evidence

Protein change
AlphaMissense0.9993likely pathogenic ✓ concordant with ClinVar · top 4% in KIT
REVEL0.742pathogenic-leaning
SaProtLLR -13.02damaging
⇒ AlphaMissense, REVEL and SaProt all call this damaging.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 12GERP 2.6, phastCons 1
Regional constrainto/e 0.46unconstrained · MANE · 4,810 bp · p 2.2e-10 · regional, not allelic
Overall
CADD28.0PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Cancer therapy — CIViC

DiseaseTherapiesLevelSignificance
Gastrointestinal Stromal TumorImatinibCResistance
Gastrointestinal Stromal TumorSunitinibDSensitivity/Response
Gastrointestinal Stromal TumorRegorafenibDResistance
Chronic Myeloid LeukemiaBosutinibDSensitivity/Response
Chronic Myeloid LeukemiaDasatinibDSensitivity/Response
Acute Myeloid LeukemiaImatinib MesylateDResistance
Gastrointestinal Stromal TumorPonatinibDSensitivity/Response

Variant & gene context

Gene
KIT
Protein
p.Asp816His
Coding
c.2446G>C
MANE Select
NM_000222
dbSNP
rs121913506
Type
single nucleotide variant
Location
chr4:54733154 (GRCh38)
Gene constraint
LOEUF 0.24 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 78.52 · 65 PDB
Residue 816
the protein kinase domain; a UniProt-annotated variant site (in mastc; sporadic case; somatic mutation; constitutively activated and is much more rapidly autophosphorylated than wild type; requires 2 nucleotide substitutions); a UniProt-annotated variant site (in a testicular tumor; seminoma; somatic mutation; constitutively activated); a UniProt-annotated variant site (in mastc; somatic mutation; constitutively activated; requires 2 nucleotide substitutions); a UniProt-annotated variant site (in mastsys, mastc and mast cell leukemia; somatic mutation; constitutively activated; loss of interaction with mpdz); a UniProt-annotated variant site (in mastsys and mastc; also found in acute myeloid leukemia and a germ cell tumor of the testis; somatic mutation; constitutively activated)
Full KIT 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/kit-p-asp816his (accessed [today's date]).

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