Is RTEL1 p.Arg1188= (c.3564G>A) pathogenic?

RTEL1 p.Arg1188= (c.3564G>A) is classified Likely benign in RTEL1 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-12-23). Very rare (popmax 0.00979%, sas); Associated with Inborn genetic diseases.

How common is RTEL1 p.Arg1188= (c.3564G>A) in the general population?

RTEL1 p.Arg1188= (c.3564G>A) is very rare (popmax 0.00979%, sas) (gnomAD).

RTEL1 p.Arg1188=

Q: What condition is associated with RTEL1 p.Arg1188= (c.3564G>A)?

RTEL1 p.Arg1188= (c.3564G>A) is associated with Inborn genetic diseases, dyskeratosis congenita, autosomal recessive 5, pulmonary fibrosis and/or bone marrow failure, Telomere-related, 3 (ClinVar).

c.3564G>A · rs751837255 · VCV1118066

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

very rare (popmax 0.00979%, sas)

Conditions

Inborn genetic diseases

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 0.46	GERP -2.6
Overall
CADD	2.522	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00979% South Asian · 8/81,700 alleles

Filtering AF 0.0048% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00353%

Overall 0.0027% 42/1,556,842 alleles · very rare

Ancestry group	Frequency	1 in
South Asiangrpmax	0.00979%	10,213
Remaining individualsnot grpmax-eligible	0.00334%	29,983
European (non-Finnish)	0.00269%	37,127
African / African-American	0.00136%	73,624

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.Arg1188=
Coding: c.3564G>A
MANE Select: NM_001283009
dbSNP: rs751837255
Type: single nucleotide variant
Location: chr20:63695392 (GRCh38)
Gene constraint: LOEUF 0.661 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 72.64 · 3 PDB
Residue 1188: the 'disordered' region

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

Also linked: dyskeratosis congenita, autosomal recessive 5 pulmonary fibrosis and/or bone marrow failure, Telomere-related, 3

Similar variants

RTEL1 p.Arg1188Gly Uncertain significance ★ ⚠ same residue
RTEL1 p.Arg1188Lys Uncertain significance ★ ⚠ same residue
RTEL1 p.Arg1188Thr 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

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-arg1188 (accessed [today's date]).

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