KMT2D p.Glu1663Ter
c.4987G>T · rs192216625 · VCV1333219
Likely pathogenic
Single submitter
Classification
Likely pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
nonsense (stop-gain)
predicted LoF
gnomAD v4.1
Absent
absent from gnomAD v4.1
Conditions
1
Kabuki syndrome 1
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Consequence | nonsense (stop-gain) | predicted loss-of-function in a haploinsufficient gene (ClinGen) |
|---|---|---|
| NMD | predicted | premature termination codon in exon 21 of 55 |
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 7.6 | GERP 2, phastCons 1 |
| Overall | ||
| CADD | 39.0 | PHRED · no single calibrated threshold — expert panels disagree |
Predicted loss-of-function is descriptive, not an applied PVS1 code.
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.
Variant & gene context
- Gene
- KMT2D
- Protein
- p.Glu1663Ter
- Coding
- c.4987G>T
- MANE Select
- NM_003482
- dbSNP
- rs192216625
- Type
- single nucleotide variant
- Location
- chr12:49044499 (GRCh38)
- Gene constraint
- LOEUF 0.141 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
- Residue 1663
- a UniProt-annotated variant site (in kabuk1); the 'disordered' region
Similar variants
- KMT2D p.Glu1663Lys Uncertain significance ★ same residue
- KMT2D c.10740+1G>A Pathogenic ★★ same condition
- KMT2D c.14075+1G>A Pathogenic/Likely pathogenic ★★ same condition
- KMT2D c.14251+1G>C Likely pathogenic ★★ same condition
- KMT2D c.16338+1G>T Pathogenic/Likely pathogenic ★★ same condition
- KMT2D c.16338+2T>C Pathogenic/Likely pathogenic ★★ same condition
- KMT2D c.177-2A>G Pathogenic/Likely pathogenic ★★ same condition
- KMT2D p.Arg1702Ter Pathogenic ★★ same condition
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/kmt2d-p-glu1663ter (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown