Is CLN6 p.Arg28Trp (c.82A>T) pathogenic?

CLN6 p.Arg28Trp (c.82A>T) is classified Uncertain significance in CLN6 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-02-17). AlphaMissense: likely benign (0.3031); Absent from gnomAD v4.1; Associated with neuronal ceroid lipofuscinosis.

What condition is associated with CLN6 p.Arg28Trp (c.82A>T)?

CLN6 p.Arg28Trp (c.82A>T) is associated with neuronal ceroid lipofuscinosis (ClinVar).

How common is CLN6 p.Arg28Trp (c.82A>T) in the general population?

CLN6 p.Arg28Trp (c.82A>T) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about CLN6 p.Arg28Trp (c.82A>T)?

AlphaMissense predicts likely benign (score 0.3031) — an in-silico prediction, not a clinical call.

CLN6 p.Arg28Trp

c.82A>T · rs2093262448 · VCV1037032

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.3031 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,460,922)

Missense predictors

1/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

neuronal ceroid lipofuscinosis

Computational evidence

Protein change
AlphaMissense	0.3031	likely benign
REVEL	0.737	pathogenic-leaning
SaProt	LLR -9.73	tolerated
⇒ REVEL calls this damaging; AlphaMissense and SaProt do not.
Splicing
SpliceAI	Δ0.76	donor gain · deltas
Pangolin	Δ0.54	loss · gain 0.18 · SpliceAI calls gain · independent
Constraint at this position
Conservation	phyloP 3.8	GERP -0.041, phastCons 1
Regional constraint	o/e 0.93	unconstrained · MANE · 21 kb · p 0.14 · regional, not allelic
Overall
CADD	35.0	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

No allele count reported in gnomAD v4.1 (AN 1,460,922). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: CLN6
Protein: p.Arg28Trp
Coding: c.82A>T
MANE Select: NM_017882
dbSNP: rs2093262448
Type: single nucleotide variant
Location: chr15:68229503 (GRCh38)
Gene constraint: LOEUF 1.015 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 85.86

Full CLN6 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

neuronal ceroid lipofuscinosis — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

CLN6 p.Arg28Lys Pathogenic ★★ ⚠ same residue
CLN6 p.Arg28Thr Uncertain significance ★ same residue
CLN6 p.Gly28= Likely benign ★ same residue
CLN6 c.297+1G>A Pathogenic/Likely pathogenic ★★ same condition
CLN6 c.486+1G>A Likely pathogenic ★★ same condition
CLN6 c.543-1G>A Likely pathogenic ★★ same condition
CLN6 c.665+1G>A Pathogenic/Likely pathogenic ★★ same condition
CLN6 c.84-1G>A Pathogenic/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/cln6-p-arg28trp (accessed [today's date]).

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