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UNC45A p.Asp427=

c.1281C>T · rs949088045 · VCV2974137

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.013%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP -8.8GERP -4
Overall
CADD4.158PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.013% European (non-Finnish) · 153/1,179,938 alleles
Filtering AF 0.0113% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0107%
Overall 0.00992% 160/1,612,610 alleles · ultra-rare exomes 157/1,460,376 · genomes 3/152,234 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.013% 7,712
African / African-American 0.00401% 24,967
South Asian 0.0033% 30,335
Remaining individualsnot grpmax-eligible 0.0016% 62,362

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
UNC45A
Protein
p.Asp427=
Coding
c.1281C>T
MANE Select
NM_018671
dbSNP
rs949088045
Type
single nucleotide variant
Location
chr15:90946695 (GRCh38)
Gene constraint
LOEUF 0.885 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 86.36 · 1 PDB
Residue 427
a UniProt-annotated variant site (in oohe; uncertain significance)
Full UNC45A 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/unc45a-p-asp427 (accessed [today's date]).

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