THBD p.Thr568=
c.1704C>T · rs751317027 · VCV1166044
Benign
Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0707%, eas)
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 -7.2 | GERP -3 |
| Overall | ||
| CADD | 0.37 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0707%
East Asian · 31/43,834 alleles
Filtering AF
0.0512%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0445%
Overall
0.00257%
41/1,593,474 alleles · ultra-rare
exomes 37/1,441,220 · genomes 4/152,254 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.0707% | 1,414 |
| Remaining individualsnot grpmax-eligible | 0.00325% | 30,816 |
| African / African-American | 0.00134% | 74,580 |
| European (non-Finnish) | 0.000598% | 167,273 |
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
- THBD
- Protein
- p.Thr568=
- Coding
- c.1704C>T
- MANE Select
- NM_000361
- dbSNP
- rs751317027
- Type
- single nucleotide variant
- Location
- chr20:23047801 (GRCh38)
- Gene constraint
- LOEUF 1.938 · pLI 0.05 (gnomAD)
- Structure
- AlphaFold pLDDT 79.35 · 13 PDB
Similar variants
- THBD p.Cys537Ter Pathogenic/Likely pathogenic ★★ same type
- THBD p.Ala139Ser Uncertain significance ★★ ⚠ same type
- THBD p.Ala21Ser Uncertain significance ★★ ⚠ same type
- THBD p.Ala255Pro Uncertain significance ★★ ⚠ same type
- THBD p.Ala271Thr Uncertain significance ★★ ⚠ same type
- THBD p.Ala272Val Uncertain significance ★★ ⚠ same type
- THBD p.Ala284Gly Uncertain significance ★★ ⚠ same type
- THBD p.Ala395Val 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/thbd-p-thr568 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown