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UNC45A p.Glu449=

c.1347G>A · rs151134605 · VCV1558504

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0549%, sas)

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
PangolinΔ0.35gain · loss 0.00 · not in the SpliceAI release · independent
Constraint at this position
ConservationphyloP 2.3GERP -4.1, phastCons 1
Overall
CADD13.36PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0549% South Asian · 50/91,090 alleles
Filtering AF 0.0427% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0385%
Overall 0.00508% 82/1,614,046 alleles · ultra-rare exomes 66/1,461,784 · genomes 16/152,262 · joint denominator
Ancestry group Frequency 1 in
South Asiangrpmax 0.0549% 1,822
African / African-American 0.0307% 3,259
Middle Eastern 0.0166% 6,008
Admixed American 0.005% 20,005
Remaining individualsnot grpmax-eligible 0.0048% 20,824
European (non-Finnish) 0.000169% 590,030

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.Glu449=
Coding
c.1347G>A
MANE Select
NM_018671
dbSNP
rs151134605
Type
single nucleotide variant
Location
chr15:90946761 (GRCh38)
Gene constraint
LOEUF 0.885 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 86.36 · 1 PDB
Residue 449
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-glu449 (accessed [today's date]).

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