Send feedback

TPRN p.Pro234=

c.702T>A · rs1834777477 · VCV3252925

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00143%, 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 2.3GERP 0.82, phastCons 1
Overall
CADD9.686PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00143% African / African-American · 1/69,762 alleles
Overall 6.92e-05% 1/1,444,206 alleles · very rare exomes 0/1,292,376 · genomes 1/151,830 · 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
TPRN
Protein
p.Pro234=
Coding
c.702T>A
MANE Select
NM_001128228
dbSNP
rs1834777477
Type
single nucleotide variant
Location
chr9:137200010 (GRCh38)
Gene constraint
LOEUF 1.099 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 55.27 · 1 PDB
Residue 234
the 'disordered' region
Full TPRN 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/tprn-p-pro234 (accessed [today's date]).

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