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ARHGAP36 p.Arg439=

c.1317C>T · VCV4642423

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.035%, afr)

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 0.029GERP -3, phastCons 0.97
Overall
CADD1.169PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.035% African / African-American · 20/57,146 alleles
Filtering AF 0.0232% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0194%
Overall 0.00347% 42/1,210,171 alleles · ultra-rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.035% 2,857
Remaining individualsnot grpmax-eligible 0.0105% 9,525
South Asian 0.00528% 18,936
Admixed American 0.00436% 22,924
Finnishnot grpmax-eligible 0.00215% 46,569
European (non-Finnish) 0.00123% 81,393

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
ARHGAP36
Protein
p.Arg439=
Coding
c.1317C>T
MANE Select
NM_144967
Type
single nucleotide variant
Location
chrX:131086364 (GRCh38)
Structure
AlphaFold pLDDT 68.40
Full ARHGAP36 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/arhgap36-p-arg439 (accessed [today's date]).

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