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USP18 p.Asp211=

c.633C>T · rs146833618 · VCV762034

Benign/Likely benign Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
rare (popmax 0.202%, 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 -12
Overall
CADD0.471PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.202% African / African-American · 150/74,430 alleles
Filtering AF 0.175% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.165%
Overall 0.0183% 291/1,591,914 alleles · rare exomes 183/1,439,692 · genomes 108/152,222 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.202% 496
South Asian 0.0298% 3,358
Remaining individualsnot grpmax-eligible 0.0244% 4,105
Middle Eastern 0.0166% 6,022
European (non-Finnish) 0.00788% 12,695
East Asian 0.0068% 14,709
Admixed American 0.00346% 28,917
Finnishnot grpmax-eligible 0.00319% 31,323

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
USP18
Protein
p.Asp211=
Coding
c.633C>T
MANE Select
NM_017414
dbSNP
rs146833618
Type
single nucleotide variant
Location
chr22:18169849 (GRCh38)
Gene constraint
LOEUF 0.459 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 83.60 · 2 PDB
Residue 211
the usp domain
Full USP18 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/usp18-p-asp211 (accessed [today's date]).

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