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PPM1D p.Leu538=

c.1614A>G · rs768449890 · VCV2713205

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00364%, nfe)

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 0.66GERP -1.9, phastCons 0.95
Overall
CADD5.428PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00364% European (non-Finnish) · 43/1,180,040 alleles
Filtering AF 0.00275% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00244%
Overall 0.00285% 46/1,614,110 alleles · very rare exomes 43/1,461,866 · genomes 3/152,244 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.00364% 27,443
Remaining individualsnot grpmax-eligible 0.0032% 31,242
African / African-American 0.00133% 74,946

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
PPM1D
Protein
p.Leu538=
Coding
c.1614A>G
MANE Select
NM_003620
dbSNP
rs768449890
Type
single nucleotide variant
Location
chr17:60663348 (GRCh38)
Gene constraint
LOEUF 1.183 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure
AlphaFold pLDDT 68.15 · 1 PDB
Residue 538
a UniProt-annotated variant site (in jdvs); a UniProt-annotated variant site (in oc; may be associated with disease susceptibility); a UniProt-annotated variant site (in bc; may be associated with disease susceptibility; gain-of-function mutation that results in increased negative regulation of p53 expression in response to ionizing radiation exposure); a UniProt-annotated variant site (in bc; may be associated with disease susceptibility); the 'disordered' region
Full PPM1D 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/ppm1d-p-leu538 (accessed [today's date]).

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