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CHM p.Ile86=

c.258T>C · rs1323268077 · VCV1102773

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0035%, 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 3.6GERP -1.4, phastCons 0.99
Overall
CADD8.484PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0035% African / African-American · 2/57,200 alleles
Filtering AF 0.00058% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000217%
Overall 0.000747% 9/1,204,110 alleles · very rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.0035% 28,600
Remaining individualsnot grpmax-eligible 0.00211% 47,346
European (non-Finnish) 0.000674% 148,365

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
CHM
Protein
p.Ile86=
Coding
c.258T>C
MANE Select
NM_000390
dbSNP
rs1323268077
Type
single nucleotide variant
Location
chrX:85978823 (GRCh38)
Structure
AlphaFold pLDDT 81.05
Full CHM 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/chm-p-ile86 (accessed [today's date]).

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