Target intelligence / Profile preview

Ubiquitin carboxyl-terminal hydrolase OTUB1 (OTUB1)

Target
OTUB1
Molecular classification
Enzyme, Cysteine protease, Deubiquitinase
01

Overview

OTUB1 is a deubiquitinating enzyme that removes ubiquitin from target proteins, primarily K48-linked polyubiquitin chains. It regulates various cellular processes including DNA repair, energy metabolism, and hormone receptor signaling. It is involved in cancer progression through its effects on ERα and mTOR pathway components.

Other names
Otubain-1OTB1OTU1HSPC263OTU deubiquitinaseubiquitin aldehyde binding 1
02

Mechanism of action

Deubiquitinates K48-linked polyubiquitin chains; inhibits E2 enzyme activity

03

Biological functions

DeubiquitinationProtein metabolismDNA repair regulationEnergy metabolism controlHormone receptor modulation
04

Disease associations

Machado-Joseph DiseaseAutosomal Dominant Cerebellar AtaxiaCancer

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