Reticulons and associated proteins
Unless otherwise stated all data on this page refer to the human proteins. Gene information is provided for human (Hs), mouse (Mm) and rat (Rn).
Overview
The reticulon family is a large group of phylogenetically conserved membrane-associated proteins [4,6]. Alternative splicing is common within this gene family, with the four mammalian genes (RTN1–4) generating 11 well documented splice variants [1]. Although these proteins are structurally diverse, they all contain a highly retained functional domain known as the carboxy-terminal reticulon homology domain (RHD), which contains two hydrophobic regions flanking a hydrophilic loop of 60-70 amino acids.
Expression of reticulons is generally restricted to the endoplasmic reticulum, with evidence suggesting they play a role in shaping the highly curved membranes of the tubular endoplasmic reticulum network (thereby influencing endoplasmic reticulum-Golgi transport), vesicle formation, and inhibition of axonal growth [2]. Accumulating evidence is implicating reticulons in the pathogenesis of neurodegenerative diseases [1-2,5], and because of this activity certain reticulons have emerged as novel molecular targets for pharmaceutical intervention.
Targets
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reticulon 4
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LINGO1 (leucine rich repeat and Ig domain containing 1)
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How to cite this family page
Database page citation:
Reticulons and associated proteins. Accessed on 03/12/2023. IUPHAR/BPS Guide to PHARMACOLOGY, http://www.guidetopharmacology.org/GRAC/FamilyDisplayForward?familyId=905.
Concise Guide to PHARMACOLOGY citation:
Alexander SP, Kelly E, Mathie A, Peters JA, Veale EL et al. (2021) THE CONCISE GUIDE TO PHARMACOLOGY 2021/22: Introduction and Other Protein Targets. Br J Pharmacol. 178 Suppl 1:S1-S26.
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