CNOT1 p.Pro220=
c.660C>T · rs775298615 · VCV1622227
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0164%, 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 -0.4 | GERP -4.3, phastCons 0.001 |
| Overall | ||
| CADD | 6.315 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0164%
Middle Eastern · 1/6,084 alleles
Filtering AF
0.00255%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00162%
Overall
0.000993%
16/1,611,954 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0164% | 6,084 |
| African / African-American | 0.00668% | 14,962 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,410 |
| European (non-Finnish) | 0.000763% | 131,086 |
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
- CNOT1
- Protein
- p.Pro220=
- Coding
- c.660C>T
- MANE Select
- NM_016284
- dbSNP
- rs775298615
- Type
- single nucleotide variant
- Location
- chr16:58585484 (GRCh38)
- Gene constraint
- LOEUF 0.064 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 75.22 · 21 PDB
- Residue 220
- a UniProt-annotated variant site (in vibos)
Similar variants
- CNOT1 c.434-2A>G Pathogenic ★★ same type
- CNOT1 p.Arg26Ter Pathogenic/Likely pathogenic ★★ same type
- CNOT1 p.Arg535Cys Pathogenic ★★ same type
- CNOT1 c.310-3C>G Uncertain significance ★★ same type
- CNOT1 c.5895+4T>C Uncertain significance ★★ same type
- CNOT1 p.Ala1368Val Uncertain significance ★★ ⚠ same type
- CNOT1 p.Ala1503Thr Uncertain significance ★★ ⚠ same type
- CNOT1 p.Ala1604Gly 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/cnot1-p-pro220 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown