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KMT2D p.Pro741=

c.2223G>C · rs374923646 · VCV2054316

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00402%, afr)
Conditions
1
Kabuki syndrome

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
ConservationphyloP -16GERP -2.5
Overall
CADD0.114PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00402% African / African-American · 3/74,598 alleles
Filtering AF 0.00107% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000496%
Overall 0.000682% 11/1,612,678 alleles · very rare exomes 7/1,461,350 · genomes 4/151,328 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00402% 24,866
European (non-Finnish) 0.000678% 147,438

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
KMT2D
Protein
p.Pro741=
Coding
c.2223G>C
MANE Select
NM_003482
dbSNP
rs374923646
Type
single nucleotide variant
Location
chr12:49051460 (GRCh38)
Gene constraint
LOEUF 0.141 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 741
a UniProt-annotated variant site (in kabuk1); the 'disordered' region
Full KMT2D 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/kmt2d-p-pro741 (accessed [today's date]).

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