Is RTEL1 p.Cys968Phe (c.2903G>T) pathogenic?

RTEL1 p.Cys968Phe (c.2903G>T) is classified Uncertain significance in RTEL1 (ClinVar, Single submitter, 1 submitter; last evaluated 2026-03-30). AlphaMissense: ambiguous (0.5592); Absent from gnomAD v4.1; Associated with Inborn genetic diseases.

What condition is associated with RTEL1 p.Cys968Phe (c.2903G>T)?

RTEL1 p.Cys968Phe (c.2903G>T) is associated with Inborn genetic diseases (ClinVar).

How common is RTEL1 p.Cys968Phe (c.2903G>T) in the general population?

RTEL1 p.Cys968Phe (c.2903G>T) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about RTEL1 p.Cys968Phe (c.2903G>T)?

AlphaMissense predicts ambiguous (score 0.5592) — an in-silico prediction, not a clinical call.

RTEL1 p.Cys968Phe

c.2903G>T · VCV4863531

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.5592 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.5592	ambiguous
REVEL	0.416	indeterminate
SaProt	LLR -8.74	tolerated
Splicing
SpliceAI	Δ0.22	acceptor gain · deltas
Constraint at this position
Conservation	phyloP 12	GERP 1.4, phastCons 1
Regional constraint	o/e 1.45	unconstrained · MANE · 5,558 bp · p 3.7e-34 · regional, not allelic
Overall
CADD	25.2	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

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: RTEL1
Protein: p.Cys968Phe
Coding: c.2903G>T
MANE Select: NM_001283009
Type: single nucleotide variant
Location: chr20:63693194 (GRCh38)
Gene constraint: LOEUF 0.661 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 72.64 · 3 PDB

Full RTEL1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Inborn genetic diseases — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

RTEL1 p.Cys968Trp Uncertain significance ★ ⚠ same residue
RTEL1 p.Cys968Ser Uncertain significance ★★ ⚠ same residue
RTEL1 p.Cys968= Likely benign ★★ same residue
RTEL1 p.Ala1012Ser Uncertain significance ★★ ⚠ same condition
RTEL1 p.Ala1052Thr Uncertain significance ★★ ⚠ same condition
RTEL1 p.Ala1074Val Uncertain significance ★★ ⚠ same condition
RTEL1 p.Ala1085Val Uncertain significance ★★ ⚠ same condition
RTEL1 p.Ala1101Thr Uncertain significance ★★ ⚠ same condition

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/rtel1-p-cys968phe (accessed [today's date]).

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