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MSX2 p.Leu76=

c.228G>A · rs999180495 · VCV1615024

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0027%, afr)
Conditions
1
Cranium bifidum occultum

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 1.4GERP 0.5, phastCons 1
Overall
CADD11.39PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0027% African / African-American · 2/74,182 alleles
Filtering AF 0.000447% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000168%
Overall 0.000128% 2/1,562,696 alleles · very rare exomes 1/1,410,460 · genomes 1/152,236 · joint denominator

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
MSX2
Protein
p.Leu76=
Coding
c.228G>A
MANE Select
NM_002449
dbSNP
rs999180495
Type
single nucleotide variant
Location
chr5:174724887 (GRCh38)
Gene constraint
LOEUF 1.013 · pLI <0.01 · ClinGen HI 1/3 (gnomAD)
Structure
AlphaFold pLDDT 68.77
Full MSX2 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/msx2-p-leu76 (accessed [today's date]).

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