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TPPP p.Pro19=

c.57G>A · rs138862056 · VCV730677

Benign/Likely benign Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
rare (popmax 0.923%, 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 -6.9GERP -2.8
Overall
CADD5.515PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.923% African / African-American · 690/74,770 alleles
Filtering AF 0.866% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.843%
Overall 0.0547% 878/1,604,730 alleles · rare exomes 460/1,452,384 · genomes 418/152,346 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.923% 108
Admixed American 0.0765% 1,308
Remaining individualsnot grpmax-eligible 0.0516% 1,939
Middle Eastern 0.0168% 5,946
European (non-Finnish) 0.00901% 11,096
South Asian 0.00445% 22,478

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
TPPP
Protein
p.Pro19=
Coding
c.57G>A
MANE Select
NM_007030
dbSNP
rs138862056
Type
single nucleotide variant
Location
chr5:678004 (GRCh38)
Gene constraint
LOEUF 0.755 · pLI 0.44 (gnomAD)
Structure
AlphaFold pLDDT 79.16 · 3 PDB
Residue 19
the 'mediates interaction with limk1' region; the 'disordered' region
Full TPPP 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/tppp-p-pro19 (accessed [today's date]).

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