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MAP2K3 p.Leu25=

c.75A>C · rs148435923 · VCV725289

Benign Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
low-frequency (popmax 3.25%, afr)

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 0.31GERP -3.6, phastCons 0.067
Overall
CADD3.896PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 3.25% African / African-American · 2,406/74,112 alleles
Filtering AF 3.14% ClinGen BA1/BS1 input FAF95, joint · FAF99 3.09%
Overall 0.167% 2,688/1,613,220 alleles · low-frequency exomes 1,298/1,461,326 · genomes 1,390/151,894 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 3.25% 31
Admixed American 0.182% 551
Remaining individualsnot grpmax-eligible 0.173% 578
Middle Eastern 0.116% 865
European (non-Finnish) 0.00483% 20,702
South Asian 0.0011% 91,090

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
MAP2K3
Protein
p.Leu25=
Coding
c.75A>C
MANE Select
NM_145109
dbSNP
rs148435923
Type
single nucleotide variant
Location
chr17:21298438 (GRCh38)
Gene constraint
LOEUF 0.993 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 81.13
Residue 25
the 'disordered' region
Full MAP2K3 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/map2k3-p-leu25 (accessed [today's date]).

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