THBD p.Ala68=
c.204C>G · rs371725916 · VCV1564378
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000346%, 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 -2.7 | GERP -3.2 |
| Overall | ||
| CADD | 6.708 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.000346%
European (non-Finnish) · 4/1,156,406 alleles
Filtering AF
8.1e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 5.5e-05%
Overall
0.000255%
4/1,566,580 alleles · very rare
exomes 4/1,417,522 · genomes 0/149,058 · joint denominator
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.Ala68=
- Coding
- c.204C>G
- MANE Select
- NM_000361
- dbSNP
- rs371725916
- Type
- single nucleotide variant
- Location
- chr20:23049301 (GRCh38)
- Gene constraint
- LOEUF 1.938 · pLI 0.05 (gnomAD)
- Structure
- AlphaFold pLDDT 79.35 · 13 PDB
- Residue 68
- the c-type lectin domain; an α-helix
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-ala68 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown