Is RANGRF p.Gln86Ter (c.256C>T) pathogenic?

RANGRF p.Gln86Ter (c.256C>T) is classified Uncertain significance in RANGRF (ClinVar, Single submitter, 1 submitter; last evaluated 2021-03-23). Very rare (popmax 0.00195%, nfe); Associated with cardiac rhythm disease.

What condition is associated with RANGRF p.Gln86Ter (c.256C>T)?

RANGRF p.Gln86Ter (c.256C>T) is associated with cardiac rhythm disease (ClinVar).

How common is RANGRF p.Gln86Ter (c.256C>T) in the general population?

RANGRF p.Gln86Ter (c.256C>T) is very rare (popmax 0.00195%, nfe) (gnomAD).

RANGRF p.Gln86Ter

c.256C>T · rs199622161 · VCV1345585

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

Consequence

nonsense (stop-gain)

predicted LoF

gnomAD v4.1

Rare

very rare (popmax 0.00195%, nfe)

Conditions

cardiac rhythm disease

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequence	nonsense (stop-gain)	predicted loss-of-function
NMD	predicted	premature termination codon in exon 3 of 5
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 2.7	GERP 1.5, phastCons 1
Overall
CADD	36.0	PHRED · no single calibrated threshold — expert panels disagree

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00195% European (non-Finnish) · 23/1,180,048 alleles

Filtering AF 0.0013% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00108%

Overall 0.00149% 24/1,614,036 alleles · very rare exomes 22/1,461,852 · genomes 2/152,184 · joint denominator

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.00195%	51,307
Remaining individualsnot grpmax-eligible	0.0016%	62,476

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: RANGRF
Protein: p.Gln86Ter
Coding: c.256C>T
MANE Select: NM_016492
dbSNP: rs199622161
Type: single nucleotide variant
Location: chr17:8289319 (GRCh38)
Gene constraint: LOEUF 1.107 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 78.36 · 1 PDB
Residue 86: a β-strand; a UniProt-annotated variant site (found in patients with cardiac arrhythmias including brugada syndrome; uncertain significance; loss of function in enhancing the expression of scn5a at the cell membrane)

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

Disease context

cardiac rhythm disease — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

RANGRF p.Gln86Glu Uncertain significance ★ ⚠ same residue
RANGRF c.77+5G>A Uncertain significance ★★ same condition
RANGRF p.Ala56Val Uncertain significance ★★ ⚠ same condition
RANGRF p.Arg130Lys Uncertain significance ★★ ⚠ same condition
RANGRF p.Asp179Asn Uncertain significance ★★ ⚠ same condition
RANGRF p.His81Arg Uncertain significance ★★ ⚠ same condition
RANGRF p.Pro162Ser Uncertain significance ★★ ⚠ same condition
RANGRF p.Ser84Ala 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/rangrf-p-gln86ter (accessed [today's date]).

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