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AGAP1 p.Arg619=

c.1857C>T · VCV4780684

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00933%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.069moderately benign-leaning
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP -6.6GERP -3.8
Overall
CADD7.256PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00933% African / African-American · 7/75,024 alleles
Filtering AF 0.00437% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00308%
Overall 0.00149% 24/1,614,076 alleles · very rare exomes 17/1,461,812 · genomes 7/152,264 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00933% 10,718
East Asian 0.00446% 22,437
European (non-Finnish) 0.00127% 78,669

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.Arg619=
Coding
c.1857C>T
MANE Select
NM_001037131
Type
single nucleotide variant
Location
chr2:236040807 (GRCh38)
Gene constraint
LOEUF 0.366 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 72.01 · 2 PDB
Residue 619
the arf-gap domain
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-arg619 (accessed [today's date]).

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