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!
PSMB8 [cytosol]
Stable Identifier
R-HSA-68762
Type
Protein [EntityWithAccessionedSequence]
Species
Homo sapiens
Compartment
cytosol
Synonyms
Immunoproteasome subunit beta-5i, Proteasome subunit beta type 8, Proteasome subunit beta type 8 precursor, Proteasome component C13, Macropain subunit C13, Multicatalytic endopeptidase complex subunit C13
Locations in the PathwayBrowser
Expand all
Immune System (Homo sapiens)
Adaptive Immune System (Homo sapiens)
Class I MHC mediated antigen processing & presentation (Homo sapiens)
Antigen processing-Cross presentation (Homo sapiens)
Cross-presentation of soluble exogenous antigens (endosomes) (Homo sapiens)
Proteasomal clevage of exogenous antigen (immunoproteasome catalyst) (Homo sapiens)
Immunoproteasome [cytosol] (Homo sapiens)
20S immunoproteasome core particle [cytosol] (Homo sapiens)
20S CP immunoproteasome inner ring [cytosol] (Homo sapiens)
PSMB8 [cytosol] (Homo sapiens)
PSMB8 [cytosol] (Homo sapiens)
ER-Phagosome pathway (Homo sapiens)
Proteasomal cleavage of partially digested antigen (immunoproteasome catalyst) (Homo sapiens)
Immunoproteasome [cytosol] (Homo sapiens)
20S immunoproteasome core particle [cytosol] (Homo sapiens)
20S CP immunoproteasome inner ring [cytosol] (Homo sapiens)
PSMB8 [cytosol] (Homo sapiens)
PSMB8 [cytosol] (Homo sapiens)
Antigen processing: Ub, ATP-independent proteasomal degradation (Homo sapiens)
Proteasomal cleavage of intracellular substrate (immunoproteasome catalyst) (Homo sapiens)
Immunoproteasome [cytosol] (Homo sapiens)
20S immunoproteasome core particle [cytosol] (Homo sapiens)
20S CP immunoproteasome inner ring [cytosol] (Homo sapiens)
PSMB8 [cytosol] (Homo sapiens)
PSMB8 [cytosol] (Homo sapiens)
Metabolism of proteins (Homo sapiens)
Post-translational protein modification (Homo sapiens)
Proteasome assembly (Homo sapiens)
Formation of the immunoproteasome (Homo sapiens)
20S immunoproteasome core particle [cytosol] (Homo sapiens)
20S CP immunoproteasome inner ring [cytosol] (Homo sapiens)
PSMB8 [cytosol] (Homo sapiens)
Immunoproteasome [cytosol] (Homo sapiens)
20S immunoproteasome core particle [cytosol] (Homo sapiens)
20S CP immunoproteasome inner ring [cytosol] (Homo sapiens)
PSMB8 [cytosol] (Homo sapiens)
Maturation of the 20S immunoproteasome core particle (Homo sapiens)
20S immunoproteasome core particle [cytosol] (Homo sapiens)
20S CP immunoproteasome inner ring [cytosol] (Homo sapiens)
PSMB8 [cytosol] (Homo sapiens)
External Reference Information
External Reference
UniProt:P28062 PSMB8
Gene Names
PSMB8, LMP7, PSMB5i, RING10, Y2
Chain
propeptide:1-72, chain:73-276
Reference Genes
BioGPS Gene:5696 PSMB8
COSMIC (genes):PSMB8 PSMB8
CTD Gene:5696 PSMB8
dbSNP Gene:5696 PSMB8
ENSEMBL:ENSG00000204264 PSMB8
HGNC:9545 PSMB8
KEGG:hsa:5696 PSMB8
Monarch:5696 PSMB8
NCBI Gene:5696 PSMB8
OMIM:177046 PSMB8
UCSC:P28062 PSMB8
Reference Transcript
RefSeq:NM_004159.5 PSMB8
RefSeq:NM_148919.4 PSMB8
Participates
as a component of
20S CP immunoproteasome inner ring [cytosol] (Homo sapiens)
Other forms of this molecule
pro-PSMB8 [cytosol]
PSMB8(1-72) [cytosol]
PSMB8 [nucleoplasm]
Inferred To
pbs-5 [cytosol]
(Caenorhabditis elegans)
psmb8a [cytosol]
(Danio rerio)
Prosbeta5R2 [cytosol]
(Drosophila melanogaster)
PRE2 [cytosol]
(Saccharomyces cerevisiae)
Homologues of PSMB8 [cytosol]
(Drosophila melanogaster)
Psmb8 [cytosol]
(Mus musculus)
Psmb8 [cytosol]
(Rattus norvegicus)
PSMB8 [cytosol]
(Canis familiaris)
PSMB8 [cytosol]
(Plasmodium falciparum)
Prosbeta5R1 [cytosol]
(Drosophila melanogaster)
psmB5 [cytosol]
(Dictyostelium discoideum)
pts1 [cytosol]
(Schizosaccharomyces pombe)
Prosbeta5 [cytosol]
(Drosophila melanogaster)
bPSMB8 [cytosol]
(Bos taurus)
Cross References
RefSeq
NP_683720.2
,
NP_004150.1
ZINC - World Drugs
PSB8_HUMAN
Guide to Pharmacology - Targets
2408
OpenTargets
ENSG00000204264
ENSEMBL
ENST00000421445
,
ENST00000457261
,
ENSP00000414770
,
ENSG00000230034
,
ENSP00000414731
,
ENST00000429645
,
ENSP00000412618
,
ENSP00000394155
,
ENSP00000364015
,
ENST00000438442
,
ENSG00000235715
,
ENSP00000372723
,
ENSP00000372725
,
ENSP00000397057
,
ENST00000455660
,
ENSP00000406797
,
ENSG00000204264
,
ENSP00000364016
,
ENST00000436627
,
ENST00000435978
,
ENST00000452573
,
ENST00000416134
,
ENSG00000236443
,
ENST00000441960
,
ENST00000416564
,
ENSG00000231631
,
ENSP00000404585
,
ENSG00000230669
,
ENST00000383236
,
ENST00000383238
,
ENST00000374882
,
ENSP00000392693
,
ENSG00000226201
,
ENSP00000402406
,
ENSP00000407539
,
ENSP00000408825
,
ENSG00000206298
,
ENST00000374881
ZINC - FDA approved
PSB8_HUMAN
ZINC - Substances
PSB8_HUMAN
ZINC target
P28062
PRO
P28062
GlyGen
P28062
PDB
5L5T
,
5L5U
,
6AVO
,
7B12
,
6E5B
,
5L5V
,
5L5O
,
5L5F
,
5L5A
,
5L5Q
,
5L5P
,
7AWE
,
5L5S
,
5L5H
,
5L5I
,
5M2B
,
5L5B
,
5L5D
,
5L5J
,
5LTT
,
5L5R
,
5L5E
ZINC - Investigational
PSB8_HUMAN
GeneCards
PSMB8
HPA
ENSG00000204264-PSMB8
Pharos - Targets
P28062
Orphanet
PSMB8
ZINC - Predictions - Purchasable
PSB8_HUMAN
Interactors (9)
Accession
#Entities
Entities
Confidence Score
Evidence (IntAct)
UniProt:Q99436 PSMB7
7
PSMB7 [cytosol]
(R-HSA-68759)
PSMB7 [nucleoplasm]
(R-HSA-174331)
pro-PSMB7 [cytosol]
(R-HSA-9908145)
PSMB7(1-43) [cytosol]
(R-HSA-9908129)
PSMB7 [secretory granule lumen]
(R-HSA-6803279)
PSMB7 [extracellular region]
(R-HSA-6806449)
PSMB7 [ficolin-1-rich granule lumen]
(R-HSA-6803312)
0.643
7
UniProt:P27958-PRO_0000037573
0.581
4
UniProt:P28065 PSMB9
3
PSMB9 [cytosol]
(R-HSA-68765)
pro-PSMB9 [cytosol]
(R-HSA-9908136)
PSMB9(1-20) [cytosol]
(R-HSA-9908132)
0.527
2
UniProt:P49720 PSMB3
2
PSMB3 [cytosol]
(R-HSA-68747)
PSMB3 [nucleoplasm]
(R-HSA-174341)
0.527
2
UniProt:Q14997 PSME4
1
PSME4 [cytosol]
(R-HSA-947606)
0.527
3
UniProt:P25787 PSMA2
5
PSMA2 [cytosol]
(R-HSA-68726)
PSMA2 [nucleoplasm]
(R-HSA-174345)
PSMA2 [secretory granule lumen]
(R-HSA-6803329)
PSMA2 [extracellular region]
(R-HSA-6806506)
PSMA2 [ficolin-1-rich granule lumen]
(R-HSA-6803285)
0.527
2
UniProt:Q9H078 CLPB
0.527
2
UniProt:P28070 PSMB4
4
PSMB4 [cytosol]
(R-HSA-68750)
PSMB4 [nucleoplasm]
(R-HSA-174343)
pro-PSMB4 [cytosol]
(R-HSA-9908138)
PSMB4(1-45) [cytosol]
(R-HSA-9908122)
0.527
2
UniProt:P25786 PSMA1
2
PSMA1 [cytosol]
(R-HSA-68724)
PSMA1 [nucleoplasm]
(R-HSA-174333)
0.483
2
© 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