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proteasome 20S subunit beta 2

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Target not currently curated in GtoImmuPdb

Target id: 2405

Nomenclature: proteasome 20S subunit beta 2

Family: T1: Proteasome

Gene and Protein Information Click here for help
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human - 201 1p34.3 PSMB2 proteasome 20S subunit beta 2
Mouse - 201 4 60.9 cM Psmb2 proteasome (prosome, macropain) subunit, beta type 2
Rat - 201 5q36 Psmb2 proteasome 20S subunit beta 2
Previous and Unofficial Names Click here for help
macropain subunit C7-I | multicatalytic endopeptidase complex subunit C7-I | proteasome beta 2 subunit | proteasome (prosome, macropain) subunit, beta type 2 | proteasome (prosome, macropain) subunit, beta type, 2 | proteasome (prosome | proteasome subunit beta 2
Database Links Click here for help
Specialist databases
MEROPS T01.984 (Hs)
Other databases
ChEMBL Target
DrugBank Target
Ensembl Gene
Entrez Gene
Human Protein Atlas
KEGG Enzyme
RefSeq Nucleotide
RefSeq Protein
Enzyme Reaction Click here for help
EC Number:

Download all structure-activity data for this target as a CSV file go icon to follow link

Key to terms and symbols View all chemical structures Click column headers to sort
Ligand Sp. Action Value Parameter Reference
MG-132 Peptide Ligand has a PDB structure N/A Inhibition 6.5 pKi 2
pKi 6.5 (Ki 3x10-7 M) [2]
zetomipzomib Small molecule or natural product Click here for species-specific activity table Immunopharmacology Ligand Hs Inhibition 6.2 pIC50 1
pIC50 6.2 (IC50 6.04x10-7 M) [1]
Description: Inhibition of proteolytic activity measured in MOLT-4 (human T cell leukemia) cell lysate using the ProCISE ELISA.
View species-specific inhibitor tables
Immuno Process Associations
Immuno Process:  Antigen presentation
Immuno Process:  Cellular signalling
Immuno Process:  Cytokine production & signalling
Immuno Process:  Immune regulation
Immuno Process:  Immune system development
Immuno Process:  Inflammation


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1. Johnson HWB, Lowe E, Anderl JL, Fan A, Muchamuel T, Bowers S, Moebius DC, Kirk C, McMinn DL. (2018) Required Immunoproteasome Subunit Inhibition Profile for Anti-Inflammatory Efficacy and Clinical Candidate KZR-616 ((2 S,3 R)- N-(( S)-3-(Cyclopent-1-en-1-yl)-1-(( R)-2-methyloxiran-2-yl)-1-oxopropan-2-yl)-3-hydroxy-3-(4-methoxyphenyl)-2-(( S)-2-(2-morpholinoacetamido)propanamido)propenamide). J Med Chem, 61 (24): 11127-11143. [PMID:30380863]

2. Rydzewski RM, Burrill L, Mendonca R, Palmer JT, Rice M, Tahilramani R, Bass KE, Leung L, Gjerstad E, Janc JW et al.. (2006) Optimization of subsite binding to the beta5 subunit of the human 20S proteasome using vinyl sulfones and 2-keto-1,3,4-oxadiazoles: syntheses and cellular properties of potent, selective proteasome inhibitors. J Med Chem, 49 (10): 2953-68. [PMID:16686537]

How to cite this page

T1: Proteasome: proteasome 20S subunit beta 2. Last modified on 12/09/2019. Accessed on 14/04/2024. IUPHAR/BPS Guide to PHARMACOLOGY,