UNC45B p.Val463=
c.1389G>A · rs144405707 · VCV2647663
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0479%, nfe)
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 | ||
| Conservation | phyloP 2.2 | GERP -0.25, phastCons 0.99 |
| Overall | ||
| CADD | 7.044 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0479%
European (non-Finnish) · 529/1,104,606 alleles
Filtering AF
0.0444%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0431%
Overall
0.0381%
560/1,471,070 alleles · ultra-rare
exomes 519/1,318,982 · genomes 41/152,088 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.0479% | 2,088 |
| Remaining individualsnot grpmax-eligible | 0.0269% | 3,716 |
| Finnishnot grpmax-eligible | 0.0117% | 8,522 |
| African / African-American | 0.0114% | 8,762 |
| South Asian | 0.00148% | 67,564 |
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
- UNC45B
- Protein
- p.Val463=
- Coding
- c.1389G>A
- MANE Select
- NM_001267052
- dbSNP
- rs144405707
- Type
- single nucleotide variant
- Location
- chr17:35168298 (GRCh38)
- Gene constraint
- LOEUF 0.969 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 88.38
Similar variants
- UNC45B p.Arg752Gln Pathogenic ★★ same type
- UNC45B p.Ala626Gly Uncertain significance ★★ ⚠ same type
- UNC45B p.Arg481Cys Uncertain significance ★★ ⚠ same type
- UNC45B p.Arg622Gln Uncertain significance ★★ ⚠ same type
- UNC45B p.Arg713Gly Uncertain significance ★★ ⚠ same type
- UNC45B p.Arg752Trp Uncertain significance ★★ ⚠ same type
- UNC45B p.Asp496Val Uncertain significance ★★ ⚠ same type
- UNC45B p.Asp902Glu Uncertain significance ★★ ⚠ same type
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/unc45b-p-val463 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown