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AGAP1 p.Thr303=

c.909G>T · rs763294074 · VCV2868794

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000847%, nfe)

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 -3.3GERP -4.1
Overall
CADD0.463PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000847% European (non-Finnish) · 10/1,180,022 alleles
Filtering AF 0.000429% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000312%
Overall 0.00062% 10/1,614,142 alleles · very rare exomes 10/1,461,886 · genomes 0/152,256 · 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
AGAP1
Protein
p.Thr303=
Coding
c.909G>T
MANE Select
NM_001037131
dbSNP
rs763294074
Type
single nucleotide variant
Location
chr2:235799474 (GRCh38)
Gene constraint
LOEUF 0.366 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 72.01 · 2 PDB
Residue 303
the 'disordered' region
Full AGAP1 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/agap1-p-thr303 (accessed [today's date]).

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