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!
ITGA2B(32-?) [platelet alpha granule membrane]
Stable Identifier
R-HSA-114511
Type
Protein [EntityWithAccessionedSequence]
Species
Homo sapiens
Compartment
platelet alpha granule membrane
Synonyms
Integrin alpha-IIb, Platelet membrane glycoprotein IIb, GPalpha IIb, GPIIb, CD41 antigen
Locations in the PathwayBrowser
Expand all
Hemostasis (Homo sapiens)
Platelet activation, signaling and aggregation (Homo sapiens)
Response to elevated platelet cytosolic Ca2+ (Homo sapiens)
Platelet degranulation (Homo sapiens)
Surface deployment of platelet alpha granule membrane components (Homo sapiens)
Platelet alpha granule membrane components that are released on degranulation [platelet alpha granule membrane] (Homo sapiens)
Alpha IIb Beta 3 Integrin [platelet alpha granule membrane] (Homo sapiens)
ITGA2B(32-?) [platelet alpha granule membrane] (Homo sapiens)
External Reference Information
External Reference
UniProt:P08514 ITGA2B
Gene Names
ITGA2B, GP2B, ITGAB
Chain
signal peptide:1-31, chain:32-1039, chain:32-887, chain:891-1039, chain:903-1039
Reference Genes
BioGPS Gene:3674 ITGA2B
COSMIC - genes:ITGA2B ITGA2B
CTD Gene:3674 ITGA2B
dbSNP Gene:3674 ITGA2B
ENSEMBL:ENSG00000005961 ITGA2B
HGNC:6138 ITGA2B
KEGG:hsa:3674 ITGA2B
Monarch:3674 ITGA2B
NCBI Gene:3674 ITGA2B
OMIM:607759 ITGA2B
UCSC:P08514 ITGA2B
Reference Transcript
RefSeq:NM_000419.5 ITGA2B
Participates
as a component of
Alpha IIb Beta 3 Integrin [platelet alpha granule membrane] (Homo sapiens)
Other forms of this molecule
ITGA2B(32-1039) [plasma membrane]
Inferred To
ITGA2B [platelet alpha granule membrane]
(Canis familiaris)
ITGA2B [platelet alpha granule membrane]
(Gallus gallus)
ITGA2B [platelet alpha granule membrane]
(Sus scrofa)
pat-2 [platelet alpha granule membrane]
(Caenorhabditis elegans)
itga2b [platelet alpha granule membrane]
(Danio rerio)
itga2b [platelet alpha granule membrane]
(Xenopus tropicalis)
ITGA2B(32-?) [platelet alpha granule membrane]
(Bos taurus)
ITGA2B(32-?) [platelet alpha granule membrane]
(Mus musculus)
if [platelet alpha granule membrane]
(Drosophila melanogaster)
Itga2b [platelet alpha granule membrane]
(Rattus norvegicus)
Cross References
Guide to Pharmacology - Targets
2441
OpenTargets
ENSG00000005961
ENSEMBL
ENSG00000005961
,
ENSP00000262407
,
ENST00000262407
ZINC - Substances
ITA2B_HUMAN
ZINC target
P08514
PRO
P08514
PDB
9DEQ
,
7UKO
,
4Z7O
,
1S4W
,
2N9Y
,
9DAO
,
1TYE
,
2VC2
,
2MTP
,
8T2V
,
3T3P
,
8GCE
,
7U60
,
7TCT
,
7UJE
,
7TD8
,
2KNC
,
2K9J
,
2VDM
,
9DAX
,
3FCU
,
7L8P
,
3ZE2
,
3ZDZ
,
7THO
,
1KUP
,
3NIF
,
1M8O
,
3ZE0
,
7UBR
,
7SFT
,
6V4P
,
1DPK
,
7UH8
,
4CAK
,
7UKT
,
5HDB
,
7TMZ
,
2VDO
,
9AXL
,
4Z7N
,
7KN0
,
2VDR
,
2VDQ
,
9DER
,
2VDP
,
7UE0
,
3T3M
,
7UJK
,
7UDG
,
7UDH
,
2VDK
,
7TPD
,
1KUZ
,
7U9V
,
8GCD
,
7U9F
,
2VDN
,
2K1A
,
3ZDX
,
7SC4
,
2VDL
,
3NID
,
3FCS
,
3ZDY
,
8T2U
,
4Z7Q
,
3ZE1
,
7UK9
,
7LA4
,
3NIG
,
7UFH
,
7UCY
,
1DPQ
,
7UKP
HPA
ENSG00000005961-ITGA2B
GeneCards
ITGA2B
Pharos - Targets
P08514
Orphanet
ITGA2B
ZINC - Predictions - Purchasable
ITA2B_HUMAN
HMDB Protein
HMDBP02103
Interactors (2)
Accession
#Entities
Entities
Confidence Score
Evidence (IntAct)
UniProt:P05106 ITGB3
3
ITGB3 [plasma membrane]
(R-HSA-57600)
ITGB3(27-?) [platelet alpha granule membrane]
(R-HSA-114512)
p-T779-ITGB3 [plasma membrane]
(R-HSA-432107)
0.815
12
UniProt:P08514 ITGA2B
2
ITGA2B(32-1039) [plasma membrane]
(R-HSA-57578)
ITGA2B(32-?) [platelet alpha granule membrane]
(R-HSA-114511)
0.795
7
© 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