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SYN1 p.Val295=

c.885G>A · rs1160254110 · VCV1764917

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000335%, nfe)
Conditions
1
Inborn genetic diseases

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 1.1phastCons 1
Overall
CADD6.659PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000335% European (non-Finnish) · 3/895,349 alleles
Filtering AF 8.9e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 2.5e-05%
Overall 0.000248% 3/1,210,160 alleles · very rare exomes 2/1,098,237 · genomes 1/111,923 · 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
SYN1
Protein
p.Val295=
Coding
c.885G>A
MANE Select
NM_006950
dbSNP
rs1160254110
Type
single nucleotide variant
Location
chrX:47576593 (GRCh38)
Structure
AlphaFold pLDDT 69.86
Residue 295
the 'c; actin-binding and synaptic-vesicle binding' region
Full SYN1 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/syn1-p-val295 (accessed [today's date]).

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