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!
B2M [extracellular region]
Stable Identifier
R-CFA-1302721
Type
Protein [EntityWithAccessionedSequence]
Species
Canis familiaris
Compartment
extracellular region
Synonyms
B2M(21-119), A0A8I3PXH7
Locations in the PathwayBrowser
Expand all
Immune System (Canis familiaris)
Innate Immune System (Canis familiaris)
Neutrophil degranulation (Canis familiaris)
Exocytosis of specific granule lumen proteins (Canis familiaris)
Specific granule lumen proteins [extracellular region] (Canis familiaris)
B2M [extracellular region] (Canis familiaris)
Exocytosis of tertiary granule lumen proteins (Canis familiaris)
Tertiary granule lumen proteins [extracellular region] (Canis familiaris)
B2M [extracellular region] (Canis familiaris)
External Reference Information
External Reference
UniProt:A0A8I3PXH7
Gene Names
B2M
Reference Genes
ENSEMBL:ENSCAFG00845028622.1
UCSC:A0A8I3PXH7 B2M
Other Identifiers
Cfa.3873.2.S1_at
CfaAffx.21053.1.S1_s_at
GO:0001913
GO:0001916
GO:0002237
GO:0002376
GO:0002474
GO:0002481
GO:0002502
GO:0002503
GO:0002726
GO:0005198
GO:0005576
GO:0005765
GO:0005794
GO:0005829
GO:0005886
GO:0006826
GO:0006879
GO:0006955
GO:0007608
GO:0007611
GO:0009897
GO:0010038
GO:0010977
GO:0019885
GO:0019886
GO:0023026
GO:0030154
GO:0031902
GO:0033077
GO:0033572
GO:0034756
GO:0034757
GO:0042026
GO:0042605
GO:0042612
GO:0042613
GO:0042802
GO:0042803
GO:0042824
GO:0045646
GO:0048260
GO:0048261
GO:0050680
GO:0050768
GO:0050778
GO:0050870
GO:0050877
GO:0051289
GO:0060586
GO:0065003
GO:0071281
GO:0071283
GO:0071316
GO:1990000
GO:1990712
GO:2000774
GO:2000978
Participates
as a member of
Specific granule lumen proteins [extracellular region] (Canis familiaris)
Tertiary granule lumen proteins [extracellular region] (Canis familiaris)
Other forms of this molecule
B2M [early endosome lumen]
B2M [recycling endosome membrane]
B2M [phagocytic vesicle membrane]
B2M [Golgi membrane]
B2M [ER to Golgi transport vesicle membrane]
B2M [specific granule lumen]
B2M [tertiary granule lumen]
B2M [endoplasmic reticulum lumen]
B2M [plasma membrane]
Inferred From
B2M(21-119) [extracellular region]
(Homo sapiens)
Cross References
ENSEMBL
ENSCAFG00845028622
,
ENSCAFT00845050538
,
ENSCAFP00845039622
© 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