Toggle navigation
About
What is Reactome ?
News
Team
Scientific Advisory Board
Funding
Editorial Calendar
Release Calendar
Statistics
Our Logo
License Agreement
Privacy Notice
Disclaimer
Digital Preservation
Contact us
Content
Table of Contents
DOIs
Data Schema
Reactome Research Spotlight
ORCID Integration Project
COVID-19 Disease Pathways
Docs
Userguide
Pathway Browser
How do I search ?
Details Panel
Analysis Tools
Analysis Data
Analysis Gene Expression
Species Comparison
Tissue Distribution
Diseases
Cytomics
Review Status of Reactome Events
ReactomeFIViz
Developer's Zone
Graph Database
Analysis Service
Content Service
Pathways Overview
Pathway Diagrams
Icon Info
EHLD Specs & Guidelines
Icon Library Guidelines
Data Model
Curator Guide
Release Documentation
Computationally inferred events
FAQ
Linking to Us
Citing us
Tools
Pathway Browser
Analyse gene list
Analyse gene expression
Species Comparison
Tissue Distribution
Analysis Service
Content Service
ReactomeFIViz
Advanced Data Search
Site Search
Community
Contribute Pathway Knowledge
Icon Library
Outreach
Events
Publications
Partners
Contributors
Resources Guide
Download
About
What is Reactome ?
News
Team
Scientific Advisory Board
Funding
Editorial Calendar
Release Calendar
Statistics
Our Logo
License Agreement
Privacy Notice
Disclaimer
Digital Preservation
Contact us
Content
Table of Contents
DOIs
Data Schema
Reactome Research Spotlight
ORCID Integration Project
COVID-19 Disease Pathways
Docs
Userguide
Pathway Browser
How do I search ?
Details Panel
Analysis Tools
Analysis Data
Analysis Gene Expression
Species Comparison
Tissue Distribution
Diseases
Cytomics
Review Status of Reactome Events
ReactomeFIViz
Developer's Zone
Graph Database
Analysis Service
Content Service
Pathways Overview
Pathway Diagrams
Icon Info
EHLD Specs & Guidelines
Icon Library Guidelines
Data Model
Curator Guide
Release Documentation
Computationally inferred events
FAQ
Linking to Us
Citing us
Tools
Pathway Browser
Analyse gene list
Analyse gene expression
Species Comparison
Tissue Distribution
Analysis Service
Content Service
ReactomeFIViz
Advanced Data Search
Site Search
Community
Contribute Pathway Knowledge
Icon Library
Outreach
Events
Publications
Partners
Contributors
Resources Guide
Download
Search ...
Go!
PSMB2 [nucleoplasm]
Stable Identifier
R-BTA-174335
Type
Protein [EntityWithAccessionedSequence]
Species
Bos taurus
Compartment
nucleoplasm
Synonyms
PSMB2, Q5E9K0
Locations in the PathwayBrowser
Expand all
Cell Cycle (Bos taurus)
Cell Cycle Checkpoints (Bos taurus)
G1/S DNA Damage Checkpoints (Bos taurus)
p53-Independent G1/S DNA Damage Checkpoint (Bos taurus)
Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A (Bos taurus)
Proteolytic degradation of ubiquitinated-Cdc25A (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
Cell Cycle, Mitotic (Bos taurus)
Mitotic G1 phase and G1/S transition (Bos taurus)
G1/S Transition (Bos taurus)
Cyclin E associated events during G1/S transition (Bos taurus)
SCF(Skp2)-mediated degradation of p27/p21 (Bos taurus)
Degradation of ubiquitinated p27/p21 by the 26S proteasome (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
Regulation of mitotic cell cycle (Bos taurus)
APC/C-mediated degradation of cell cycle proteins (Bos taurus)
APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 (Bos taurus)
APC/C:Cdh1-mediated degradation of Skp2 (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
Autodegradation of Cdh1 by Cdh1:APC/C (Bos taurus)
Degradation of multiubiquitinated Cdh1 (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
S Phase (Bos taurus)
Cyclin A:Cdk2-associated events at S phase entry (Bos taurus)
SCF(Skp2)-mediated degradation of p27/p21 (Bos taurus)
Degradation of ubiquitinated p27/p21 by the 26S proteasome (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
Cellular responses to stimuli (Bos taurus)
Cellular responses to stress (Bos taurus)
Cellular response to chemical stress (Bos taurus)
KEAP1-NFE2L2 pathway (Bos taurus)
Nuclear events mediated by NFE2L2 (Bos taurus)
GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 (Bos taurus)
Ub,pS335,S338,T NFE2L2 is degraded (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
DNA Replication (Bos taurus)
DNA Replication Pre-Initiation (Bos taurus)
Assembly of the pre-replicative complex (Bos taurus)
Ubiquitinated geminin is degraded by the proteasome (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
Gene expression (Transcription) (Bos taurus)
RNA Polymerase II Transcription (Bos taurus)
Generic Transcription Pathway (Bos taurus)
Transcriptional regulation by RUNX2 (Bos taurus)
Regulation of RUNX2 expression and activity (Bos taurus)
26S proteasome degrades PolyUb-RUNX2 (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
Transcriptional regulation by RUNX3 (Bos taurus)
Regulation of RUNX3 expression and activity (Bos taurus)
Polyubiquitinated RUNX3 is degraded by the proteasome (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
Signal Transduction (Bos taurus)
Signaling by Hedgehog (Bos taurus)
Hedgehog 'on' state (Bos taurus)
GLI2,3 are degraded by the proteasome (Bos taurus)
26S proteasome [nucleoplasm] (Bos taurus)
20S core particle [nucleoplasm] (Bos taurus)
20S CP inner ring [nucleoplasm] (Bos taurus)
PSMB2 [nucleoplasm] (Bos taurus)
External Reference Information
External Reference
UniProt:Q5E9K0 PSMB2
Gene Names
PSMB2
Chain
chain:1-201
Reference Genes
BioGPS Gene:516919 PSMB2
KEGG:bta:516919 PSMB2
Monarch:516919 PSMB2
NCBI Gene:516919 PSMB2
UCSC:Q5E9K0 PSMB2
Reference Transcript
RefSeq:NM_001015615.1 PSMB2
Other Identifiers
516919
Bt.1290.1.A1_a_at
Bt.18570.2.A1_s_at
GO:0000502
GO:0005634
GO:0005654
GO:0005737
GO:0005839
GO:0010498
GO:0030163
GO:0051603
Participates
as a component of
20S CP inner ring [nucleoplasm] (Bos taurus)
Other forms of this molecule
bPSMB2 [cytosol]
Inferred From
PSMB2 [nucleoplasm]
(Homo sapiens)
Cross References
RefSeq
NP_001015615.1
ENSEMBL
ENSBTAP00000058051
,
ENSBTAT00000070663
,
ENSBTAG00000002377
VGNC
33446
PDB
7DR6
,
7DRW
,
7DR7
,
1IRU
,
8FZ6
,
8FZ5
,
8AZK
© 2026
Reactome
This website requires cookies and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our
Privacy Notice
.
I agree, dismiss this banner
Cite Us!
Cite Us!
Cite Us!
Warning!
Unable to extract citation. Please try again later.
Download As:
BibTeX
RIS
Text