Is RTEL1 p.Arg651= (c.1953C>T) pathogenic?

RTEL1 p.Arg651= (c.1953C>T) is classified Benign/Likely benign in RTEL1 (ClinVar, Multiple submitters, 7 submitters; last evaluated 2026-02-04). Common (popmax 9.78%, eas) — too common for a highly-penetrant pathogenic allele; Associated with dyskeratosis congenita, autosomal recessive 5.

What condition is associated with RTEL1 p.Arg651= (c.1953C>T)?

RTEL1 p.Arg651= (c.1953C>T) is associated with dyskeratosis congenita, autosomal recessive 5, pulmonary fibrosis and/or bone marrow failure, Telomere-related, 3, dyskeratosis congenita (ClinVar).

RTEL1 p.Arg651=

Q: How common is RTEL1 p.Arg651= (c.1953C>T) in the general population?

RTEL1 p.Arg651= (c.1953C>T) is common (popmax 9.78%, eas) — too common for a highly-penetrant pathogenic allele (gnomAD).

c.1953C>T · rs79210260 · VCV473911

Benign/Likely benign Multiple submitters

Classification

Benign/Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 7 submitters

gnomAD v4.1

Common

common (popmax 9.78%, eas) — too common for a highly-penetrant pathogenic allele

Conditions

dyskeratosis congenita, autosomal recessive 5

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 0.41	GERP -3.1, phastCons 0.99
Overall
CADD	7.238	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 9.78% East Asian · 4,388/44,858 alleles

Filtering AF 9.54% ClinGen BA1/BS1 input FAF95, joint · FAF99 9.44%

Overall 0.417% 6,720/1,612,290 alleles · common exomes 5,913/1,460,000 · genomes 807/152,290 · joint denominator

Ancestry group	Frequency	1 in
East Asiangrpmax	9.78%	10
Admixed American	1.89%	53
Remaining individualsnot grpmax-eligible	0.644%	155
Middle Eastern	0.297%	337
South Asian	0.186%	539
Finnishnot grpmax-eligible	0.118%	847
African / African-American	0.115%	873
Ashkenazi Jewishnot grpmax-eligible	0.0575%	1,739
European (non-Finnish)	0.0369%	2,712

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: RTEL1
Protein: p.Arg651=
Coding: c.1953C>T
MANE Select: NM_001283009
dbSNP: rs79210260
Type: single nucleotide variant
Location: chr20:63689576 (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

dyskeratosis congenita, autosomal recessive 5 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: pulmonary fibrosis and/or bone marrow failure, Telomere-related, 3 dyskeratosis congenita

Similar variants

RTEL1 p.Arg651Cys Uncertain significance ★★ ⚠ same residue
RTEL1 p.Arg651His Uncertain significance ★★ ⚠ same residue
RTEL1 c.1037+1G>T Likely pathogenic ★★ same condition
RTEL1 c.1192-2A>G Likely pathogenic ★★ same condition
RTEL1 c.1596-1G>A Likely pathogenic ★★ same condition
RTEL1 c.2142-1G>C Likely pathogenic ★★ same condition
RTEL1 c.2265+1G>T Likely pathogenic ★★ same condition
RTEL1 c.2413+1G>A Likely pathogenic ★★ 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-arg651 (accessed [today's date]).

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