Send feedback

ESPN p.Pro439=

c.1317G>A · VCV4705404

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
rare (popmax 0.3%, eas)

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 -11GERP -2.9
Overall
CADD0.047PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.3% East Asian · 13/4,338 alleles
Filtering AF 0.177% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.141%
Overall 0.0244% 91/372,658 alleles · rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.3% 334
Finnishnot grpmax-eligible 0.122% 820
Admixed American 0.0846% 1,182
Remaining individualsnot grpmax-eligible 0.0293% 3,414
European (non-Finnish) 0.0153% 6,546
Ashkenazi Jewishnot grpmax-eligible 0.0117% 8,518
African / African-American 0.00932% 10,732
South Asian 0.00791% 12,648

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
ESPN
Protein
p.Pro439=
Coding
c.1317G>A
MANE Select
NM_031475
Type
single nucleotide variant
Location
chr1:6445788 (GRCh38)
Gene constraint
LOEUF 1.307 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 68.76
Residue 439
the 'disordered' region
Full ESPN 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/espn-p-pro439 (accessed [today's date]).

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