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CLN3 Protein (Battenin)

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CLN3 Protein (Battenin)

Introduction

Cln3 Protein (Battenin) is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

{{- <!-- CLN3 Protein Page - Ceroid Lipofuscinosis, Neuronal 3 Protein --> -}} [@johnson2023]

<div class="infobox infobox-protein"> [@cotman2010]

| Attribute | Value | [@storch2008]
|-----------|-------|
| Protein Name | Battenin |
| Gene | CLN3 |
| UniProt ID | Q9UQ16 |
| PDB Structure | No structure available |
| Molecular Weight | 48 kDa |
| Subcellular Localization | Lysosomal membrane, Endosomal membrane |
| Protein Family | CLN3 family, transmembrane proteins |

</div>}

Overview

CLN3 protein (also known as Battenin) is a lysosomal and endosomal transmembrane protein encoded by the CLN3 gene. It plays a critical role in maintaining lysosomal function, [autophagy](/entities/autophagy), and neuronal survival. Mutations in the CLN3 gene cause Juvenile Neuronal Ceroid Lipofuscinosis (JNCL), also known as Batten disease<sup>[1]</sup>.

Structure

Primary Structure

CLN3 is a 438-amino acid integral membrane protein with the following features:

  • Signal peptide: None (initiates at methionine)
  • Transmembrane domains: 6 predicted transmembrane helices
  • N-terminus: Cytosolic
  • C-terminus: Cytosolic
  • Large luminal loop: Contains potential N-linked glycosylation sites

Topology


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