SEC61A1 p.Phe374=
c.1122C>T · rs1942019485 · VCV1906809
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0165%, mid)
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 4.9 | GERP 1.6, phastCons 1 |
| Overall | ||
| CADD | 13.27 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0165%
Middle Eastern · 1/6,058 alleles
Overall
0.000248%
4/1,612,286 alleles · ultra-rare
exomes 4/1,459,966 · genomes 0/152,320 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0165% | 6,058 |
| Remaining individualsnot grpmax-eligible | 0.0032% | 31,221 |
| European (non-Finnish) | 8.48e-05% | 1,179,500 |
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
- SEC61A1
- Protein
- p.Phe374=
- Coding
- c.1122C>T
- MANE Select
- NM_013336
- dbSNP
- rs1942019485
- Type
- single nucleotide variant
- Location
- chr3:128067567 (GRCh38)
- Gene constraint
- LOEUF 0.404 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 73.19 · 16 PDB
- Residue 374
- an α-helix
Similar variants
- SEC61A1 p.Leu89Phe Likely pathogenic ★★ same type
- SEC61A1 p.Ile100Thr Uncertain significance ★★ ⚠ same type
- SEC61A1 p.Ile161Thr Uncertain significance ★★ same type
- SEC61A1 p.Val192Ile Uncertain significance ★★ ⚠ same type
- SEC61A1 c.1168-4G>A Benign/Likely benign ★★ same type
- SEC61A1 c.220+128A>G Benign ★★ same type
- SEC61A1 c.220+129A>C Benign ★★ same type
- SEC61A1 c.221-53C>T Benign ★★ 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/sec61a1-p-phe374 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown