Is CNOT1 p.Ser699Arg (c.2097T>A) pathogenic?

CNOT1 p.Ser699Arg (c.2097T>A) is classified Uncertain significance in CNOT1 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-01-25). AlphaMissense: likely pathogenic (0.895); Very rare (popmax 6.84e-05%).

How common is CNOT1 p.Ser699Arg (c.2097T>A) in the general population?

CNOT1 p.Ser699Arg (c.2097T>A) is very rare (popmax 6.84e-05%) (gnomAD).

What do computational predictors say about CNOT1 p.Ser699Arg (c.2097T>A)?

AlphaMissense predicts likely pathogenic (score 0.895) — an in-silico prediction, not a clinical call.

CNOT1 p.Ser699Arg

c.2097T>A · VCV3368372

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.895 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 6.84e-05%)

Missense predictors

1/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.895	likely pathogenic
REVEL	0.21	benign-leaning
SaProt	LLR -8.04	tolerated
⇒ AlphaMissense calls this damaging; REVEL and SaProt do not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 6.1	GERP 2.4, phastCons 1
Regional constraint	o/e 0.69	unconstrained · MANE · 43 kb · p 6e-23 · regional, not allelic
Overall
CADD	22.0	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 6.84e-05%

Overall 6.84e-05% 1/1,461,842 alleles · very rare

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.Ser699Arg
Coding: c.2097T>A
MANE Select: NM_016284
Type: single nucleotide variant
Location: chr16:58560245 (GRCh38)
Gene constraint: LOEUF 0.064 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 75.22 · 21 PDB
Residue 699: a UniProt-annotated variant site (in vibos)

Full CNOT1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

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-ser699arg (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown