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SNAPC4 p.Pro1052=

c.3156A>C · VCV3778011

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00045%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP -0.38GERP -2.1
Overall
CADD1.544PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00045% European (non-Finnish) · 5/1,110,138 alleles
Filtering AF 0.000132% ClinGen BA1/BS1 input FAF95, joint · FAF99 9.6e-05%
Overall 0.00034% 5/1,471,652 alleles · very rare exomes 5/1,332,556 · genomes 0/139,096 · 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
SNAPC4
Protein
p.Pro1052=
Coding
c.3156A>C
MANE Select
NM_003086
Type
single nucleotide variant
Location
chr9:136378671 (GRCh38)
Gene constraint
LOEUF 0.995 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 53.61 · 18 PDB
Residue 1052
a UniProt-annotated variant site (in nedrso; likely pathogenic)
Full SNAPC4 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/snapc4-p-pro1052 (accessed [today's date]).

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