SEC63 p.Thr20=
c.60C>T · VCV3695027
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00017%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 4.5 | GERP 0.58, phastCons 1 |
| Overall | ||
| CADD | 18.19 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00017%
European (non-Finnish) · 2/1,179,616 alleles
Filtering AF
2.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.1e-05%
Overall
0.000124%
2/1,613,480 alleles · very rare
exomes 2/1,461,234 · genomes 0/152,246 · 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
- SEC63
- Protein
- p.Thr20=
- Coding
- c.60C>T
- MANE Select
- NM_007214
- Type
- single nucleotide variant
- Location
- chr6:107957950 (GRCh38)
- Gene constraint
- LOEUF 0.532 · pLI 0.91 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 77.71
- Residue 20
- a UniProt-annotated variant site (in pcld2)
Similar variants
- SEC63 p.Thr20Ile Uncertain significance ★ ⚠ same residue
- SEC63 c.452+1G>A Pathogenic/Likely pathogenic ★★ same type
- SEC63 c.625-2A>G Likely pathogenic ★★ same type
- SEC63 c.733+1G>A Pathogenic ★★ same type
- SEC63 p.Arg239Ter Pathogenic/Likely pathogenic ★★ same type
- SEC63 p.Arg622Ter Pathogenic/Likely pathogenic ★★ same type
- SEC63 p.Arg98Ter Pathogenic/Likely pathogenic ★★ same type
- SEC63 p.Ser632Ter Pathogenic/Likely pathogenic ★★ 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/sec63-p-thr20 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown