Send feedback

UBAP1 p.Leu495=

c.1485C>T · rs371234489 · VCV3041002

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
rare (popmax 0.181%, mid)

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 1.1GERP -0.16, phastCons 1
Overall
CADD9.497PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.181% Middle Eastern · 11/6,062 alleles
Filtering AF 0.102% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0787%
Overall 0.0127% 205/1,614,168 alleles · rare exomes 183/1,461,828 · genomes 22/152,340 · joint denominator
Ancestry group Frequency 1 in
Middle Easterngrpmax 0.181% 551
Admixed American 0.075% 1,334
Remaining individualsnot grpmax-eligible 0.0368% 2,718
African / African-American 0.0173% 5,774
European (non-Finnish) 0.00949% 10,536
South Asian 0.0011% 91,084

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
UBAP1
Protein
p.Leu495=
Coding
c.1485C>T
MANE Select
NM_016525
dbSNP
rs371234489
Type
single nucleotide variant
Location
chr9:34251508 (GRCh38)
Gene constraint
LOEUF 0.285 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 63.60 · 3 PDB
Residue 495
a UniProt-annotated variant site (in spg80); a UniProt-annotated variant site (in spg80; uncertain significance); the uba 2 domain; an α-helix
Full UBAP1 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/ubap1-p-leu495 (accessed [today's date]).

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