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MEF2A p.Ser415=

c.1245G>A · rs3730059 · VCV3056101

Benign No assertion criteria
Classification
Benign
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
low-frequency (popmax 3.43%, nfe)
Conditions
1
MEF2A-related disorder

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP 0.017phastCons 0.061
Overall
CADD5.486PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 3.43% European (non-Finnish) · 39,227/1,144,972 alleles
Filtering AF 3.4% ClinGen BA1/BS1 input FAF95, joint · FAF99 3.39%
Overall 2.84% 43,886/1,544,880 alleles · low-frequency exomes 40,823/1,399,330 · genomes 3,063/145,550 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 3.43% 29
Remaining individualsnot grpmax-eligible 2.74% 37
Admixed American 1.94% 51
Ashkenazi Jewishnot grpmax-eligible 1.67% 60
Finnishnot grpmax-eligible 1.61% 62
Middle Eastern 0.936% 107
African / African-American 0.529% 189
South Asian 0.214% 467
East Asian 0.00741% 13,503

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
MEF2A
Protein
p.Ser415=
Coding
c.1245G>A
MANE Select
NM_001319206
dbSNP
rs3730059
Type
single nucleotide variant
Location
chr15:99712498 (GRCh38)
Gene constraint
LOEUF 0.762 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 55.90 · 10 PDB
Full MEF2A gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

MEF2A-related disorder

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/mef2a-p-ser415 (accessed [today's date]).

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