Target intelligence / Profile preview

Large multifunctional peptidase 7 (LMP7)

Target
LMP7
Molecular classification
Enzyme, Protease, Proteasome B-type family, T1B family, Proteasome subunit
01

Overview

Large multifunctional peptidase 7 (LMP7/PSMB8/Beta5i) is an inducible catalytic component of the immunoproteasome critical for immune surveillance via antigen processing. Its selective inhibition represents a promising strategy against certain cancers such as multiple myeloma while also playing roles in autoimmunity due to its central function in shaping peptide repertoires presented on MHC class I molecules.

Other names
PSMB8Beta5iProteasome subunit beta type-820S proteasome subunit beta-5iImmunoproteasome subunit β5i
02

Mechanism of action

Selective inhibition of LMP7 activity, suppression of ubiquitinated protein turnover, induction of apoptosis

03

Biological functions

Antigen processing for MHC-I presentationProtein degradationProtein quality controlImmune response
04

Disease associations

AutoimmunityInflammationCancerMultiple myeloma
05

Interacting drugs

M3258

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