Target intelligence / Profile preview

Golgi alpha-mannosidase II (GMII)

Target
GMII
Molecular classification
Enzyme, Glycosyl hydrolase, Type II transmembrane protein
01

Overview

Golgi alpha-mannosidase II (GMII) is a key glycosyl hydrolase enzyme involved in the N-linked glycosylation pathway. It catalyzes the removal of two mannosyl linkages from GlcNAcMan\(_5\)GlcNAc\(_2\), a committed step in complex N-glycan synthesis. GMII is essential for the maturation of N-glycans on glycoproteins within the Golgi apparatus. Inhibition of GMII has shown promise as a therapeutic strategy against certain cancers. Mutations in the MAN2A1 gene, encoding GMII, can disrupt normal glycoprotein processing and, in mice, lead to systemic autoimmune disease phenotypes.

Other names
AMan IIGOLIM7MANA2MANII
02

Mechanism of action

Inhibition of Golgi alpha-mannosidase II, preventing the processing of N-glycans and disrupting glycoprotein maturation.

03

Biological functions

N-linked glycosylationGlycoprotein processingComplex N-glycan synthesisProtein foldingHydrolysis
04

Disease associations

CancerAutoimmune disease (mouse model)
05

Interacting drugs

Swainsonine

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