Is GRN p.Cys61fs (c.180dup) pathogenic?

GRN p.Cys61fs (c.180dup) is classified Pathogenic in GRN (ClinVar, Single submitter, 1 submitter; last evaluated 2022-05-15). No gnomAD frequency available for this variant; Associated with GRN-related frontotemporal lobar degeneration with Tdp43 inclusions.

How common is GRN p.Cys61fs (c.180dup) in the general population?

GRN p.Cys61fs (c.180dup) is no gnomAD frequency available for this variant (gnomAD).

GRN p.Cys61fs

Q: What condition is associated with GRN p.Cys61fs (c.180dup)?

GRN p.Cys61fs (c.180dup) is associated with GRN-related frontotemporal lobar degeneration with Tdp43 inclusions, neuronal ceroid lipofuscinosis 11 (ClinVar).

c.180dup · rs2510054484 · VCV1994860

Pathogenic Single submitter

Classification

Pathogenic

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

Consequence

frameshift

predicted LoF

gnomAD v4.1

Not reported

no gnomAD frequency available for this variant

Conditions

GRN-related frontotemporal lobar degeneration with Tdp43 inclusions

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequence	frameshift	predicted loss-of-function
NMD	predicted	premature termination codon in exon 3 of 13
Splicing
SpliceAI	—	not assessed · substitutions only
Constraint at this position
Conservation	phyloP -0.97	GERP -1.8

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

Population frequency

dbSNP / gnomAD

No gnomAD frequency available for this variant. 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: GRN
Protein: p.Cys61fs
Coding: c.180dup
MANE Select: NM_002087
dbSNP: rs2510054484
Type: Duplication
Location: chr17:44349463 (GRCh38)
Gene constraint: LOEUF 0.59 · pLI 0.04 (gnomAD)
Structure: AlphaFold pLDDT 76.74 · 8 PDB

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

Disease context

Also linked: neuronal ceroid lipofuscinosis 11

Similar variants

GRN p.Cys61Tyr Uncertain significance ★ ⚠ same residue
GRN p.Cys31fs Pathogenic ★★ same condition
GRN p.Lys259Ter Pathogenic ★★ same condition
GRN c.350-50_350-47dup Benign ★★ same condition
GRN p.Cys30fs Pathogenic ★ same condition
GRN p.Cys41Ter Pathogenic ★ same condition
GRN p.Leu14fs Pathogenic ★ same condition
GRN p.Met142fs 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/grn-p-cys61fs (accessed [today's date]).

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