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!
EIF2AK3 [endoplasmic reticulum membrane]
Stable Identifier
R-HSA-381046
Type
Protein [EntityWithAccessionedSequence]
Species
Homo sapiens
Compartment
endoplasmic reticulum membrane
Synonyms
PERK
Icon
Locations in the PathwayBrowser
Expand all
Cellular responses to stimuli (Homo sapiens)
Cellular responses to stress (Homo sapiens)
Cellular response to chemical stress (Homo sapiens)
KEAP1-NFE2L2 pathway (Homo sapiens)
EIF2AK3 phosphorylates NFE2L2 (Homo sapiens)
EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
Unfolded Protein Response (UPR) (Homo sapiens)
PERK regulates gene expression (Homo sapiens)
Dimerization of PERK (Homo sapiens)
EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
PERK dimer [endoplasmic reticulum membrane] (Homo sapiens)
EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
Dissociation of PERK:BiP Heterodimer (Homo sapiens)
EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
PERK:BiP [endoplasmic reticulum membrane] (Homo sapiens)
EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
EIF2AK3 (PERK) phosphorylates EIF2S1 (eIF2-alpha)Phosphorylation of eIF2-alpha by PERK (Homo sapiens)
PERK dimer [endoplasmic reticulum membrane] (Homo sapiens)
EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
Immune System (Homo sapiens)
Cytokine Signaling in Immune system (Homo sapiens)
Interferon Signaling (Homo sapiens)
Modulation of host responses by IFN-stimulated genes (Homo sapiens)
IFI6 binds HSPA5 (Homo sapiens)
ATF6:HSPA5, EIF2AK3:HSPA5 [endoplasmic reticulum membrane] (Homo sapiens)
EIF2AK3:HSPA5 [endoplasmic reticulum membrane] (Homo sapiens)
EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
IFI6:HSPA5:ATF6, IFI6:HSPA5:EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
IFI6:HSPA5:EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
EIF2AK3:HSPA5 [endoplasmic reticulum membrane] (Homo sapiens)
EIF2AK3 [endoplasmic reticulum membrane] (Homo sapiens)
External Reference Information
External Reference
UniProt:Q9NZJ5 EIF2AK3
Gene Names
EIF2AK3, PEK, PERK
Chain
signal peptide:1-29, chain:30-1116
Reference Genes
BioGPS Gene:9451 EIF2AK3
COSMIC (genes):EIF2AK3 EIF2AK3
CTD Gene:9451 EIF2AK3
dbSNP Gene:9451 EIF2AK3
ENSEMBL:ENSG00000172071 EIF2AK3
HGNC:3255 EIF2AK3
KEGG:hsa:9451 EIF2AK3
Monarch:9451 EIF2AK3
NCBI Gene:9451 EIF2AK3
OMIM:604032 EIF2AK3
UCSC:Q9NZJ5 EIF2AK3
Reference Transcript
RefSeq:NM_004836.6 EIF2AK3
Other Identifiers
11722150_a_at
11722151_a_at
11722152_s_at
16900053
16900080
218696_PM_at
218696_at
2563660
2563661
2563662
2563663
2563664
2563665
2563666
2563667
2563668
2563669
2563670
2563674
2563675
2563676
2563678
2563679
2563682
2563683
2563684
2563685
2563686
2563687
2563688
2563689
2563690
2563695
2563703
2563704
2563705
2563706
2563707
2563708
2563709
2563726
2563727
2563728
2563729
2563730
2563731
2563732
2563733
2563734
2563735
2563736
48034_at
53491_at
71344_at
8053668
9451
A_21_P0002471
A_21_P0002669
A_21_P0002670
A_23_P135857
GE54955
GE835661
GO:0001501
GO:0001503
GO:0001525
GO:0002063
GO:0003824
GO:0004672
GO:0004674
GO:0004694
GO:0005515
GO:0005524
GO:0005634
GO:0005737
GO:0005783
GO:0005789
GO:0005829
GO:0006355
GO:0006417
GO:0006468
GO:0006919
GO:0006983
GO:0006986
GO:0007029
GO:0010575
GO:0010628
GO:0010998
GO:0016020
GO:0016740
GO:0017148
GO:0018105
GO:0019722
GO:0019899
GO:0019903
GO:0030282
GO:0030968
GO:0031018
GO:0031642
GO:0032055
GO:0032057
GO:0034198
GO:0034976
GO:0036492
GO:0036499
GO:0042149
GO:0042802
GO:0043226
GO:0045943
GO:0045947
GO:0046777
GO:0048009
GO:0048471
GO:0048856
GO:0051879
GO:0060734
GO:0070417
GO:0106310
GO:0140096
GO:1900182
GO:1902235
GO:1990737
HMNXSV003004600
HMNXSV003007031
HMNXSV003009727
HMNXSV003025810
ILMN_1724984
ILMN_1874735
PH_hs_0005684
TC02002074.hg
TC02004394.hg
g4758891_3p_at
p20882
p20883
p20884
Participates
as a component of
EIF2AK3:HSPA5 [endoplasmic reticulum membrane] (Homo sapiens)
PERK:BiP [endoplasmic reticulum membrane] (Homo sapiens)
PERK dimer [endoplasmic reticulum membrane] (Homo sapiens)
as an output of
Dissociation of PERK:BiP Heterodimer (Homo sapiens)
as an input of
Dimerization of PERK (Homo sapiens)
Other forms of this molecule
EIF2AK3(30-144)-ALK(1058-1620) fusion [cytosol]
EIF2AK3(30-144)-p-7Y-ALK(1058-1620) fusion [cytosol]
Inferred To
Homologues of EIF2AK3 [endoplasmic reticulum membrane]
(Caenorhabditis elegans)
EIF2AK3 [endoplasmic reticulum membrane]
(Bos taurus)
EIF2AK3 [endoplasmic reticulum membrane]
(Caenorhabditis elegans)
EIF2AK3 [endoplasmic reticulum membrane]
(Canis familiaris)
EIF2AK3 [endoplasmic reticulum membrane]
(Drosophila melanogaster)
EIF2AK3 [endoplasmic reticulum membrane]
(Gallus gallus)
EIF2AK3 [endoplasmic reticulum membrane]
(Mus musculus)
EIF2AK3 [endoplasmic reticulum membrane]
(Rattus norvegicus)
EIF2AK3 [endoplasmic reticulum membrane]
(Sus scrofa)
EIF2AK3 [endoplasmic reticulum membrane]
(Xenopus tropicalis)
Cross References
Guide to Pharmacology - Targets
2017
OpenTargets
ENSG00000172071
ENSEMBL
ENSP00000307235
,
ENST00000303236
ZINC - Substances
E2AK3_HUMAN
ZINC target
Q9NZJ5
PRO
Q9NZJ5
GlyGen
Q9NZJ5
PDB
5SV7
,
4X7N
,
8EQ9
,
4X7O
,
4X7H
,
4YZS
,
4X7J
,
4G31
,
4M7I
,
4X7K
,
4G34
,
4X7L
,
8EQE
,
8EQD
,
7MF0
HPA
ENSG00000172071-EIF2AK3
Pharos - Targets
Q9NZJ5
Orphanet
EIF2AK3
ZINC - Predictions - Purchasable
E2AK3_HUMAN
HMDB Protein
HMDBP09502
Interactors (13)
Accession
#Entities
Entities
Confidence Score
Evidence (IntAct)
UniProt:P04844 RPN2
1
RPN2 [endoplasmic reticulum membrane]
(R-HSA-264937)
0.643
3
UniProt:P11021 HSPA5
6
HSPA5 [lumenal side of endoplasmic reticulum membrane]
(R-HSA-985498)
HSPA5 [nucleoplasm]
(R-HSA-5252042)
HSPA5 [cytosol]
(R-HSA-5252115)
HSPA5 [endoplasmic reticulum membrane]
(R-HSA-351315)
HSPA5 [endoplasmic reticulum lumen]
(R-HSA-387190)
HSPA5 [extracellular region]
(R-HSA-351322)
0.589
4
UniProt:P01911 HLA-DRB1
9
HLA class II histocompatibility antigen, DRB1-15 beta chain [plasma membrane]
(R-HSA-197644)
HLA class II histocompatibility antigen, DRB1-15 beta chain [lysosomal membrane]
(R-HSA-2130363)
HLA class II histocompatibility antigen, DRB1-15 beta chain [endocytic vesicle membrane]
(R-HSA-2130448)
HLA class II histocompatibility antigen, DRB1-15 beta chain [clathrin-coated endocytic vesicle membrane]
(R-HSA-2130587)
HLA class II histocompatibility antigen, DRB1-15 beta chain [transport vesicle membrane]
(R-HSA-2130626)
HLA class II histocompatibility antigen, DRB1-15 beta chain [trans-Golgi network membrane]
(R-HSA-2130737)
HLA class II histocompatibility antigen, DRB1-15 beta chain [Golgi membrane]
(R-HSA-2214371)
HLA class II histocompatibility antigen, DRB1-15 beta chain [ER to Golgi transport vesicle membrane]
(R-HSA-2130344)
HLA class II histocompatibility antigen, DRB1-15 beta chain [lumenal side of endoplasmic reticulum membrane]
(R-HSA-2130328)
0.527
2
UniProt:Q9UGM1 CHRNA9
1
CHRNA9 [plasma membrane]
(R-HSA-507827)
0.527
2
UniProt:P01903 HLA-DRA
9
HLA class II histocompatibility antigen, DR alpha chain precursor [plasma membrane]
(R-HSA-197588)
HLA class II histocompatibility antigen, DR alpha chain precursor [lysosomal membrane]
(R-HSA-2130677)
HLA class II histocompatibility antigen, DR alpha chain precursor [endocytic vesicle membrane]
(R-HSA-2130463)
HLA class II histocompatibility antigen, DR alpha chain precursor [clathrin-coated endocytic vesicle membrane]
(R-HSA-2130442)
HLA class II histocompatibility antigen, DR alpha chain precursor [transport vesicle membrane]
(R-HSA-2130530)
HLA class II histocompatibility antigen, DR alpha chain precursor [trans-Golgi network membrane]
(R-HSA-2130586)
HLA class II histocompatibility antigen, DR alpha chain precursor [Golgi membrane]
(R-HSA-2214390)
HLA class II histocompatibility antigen, DR alpha chain precursor [ER to Golgi transport vesicle membrane]
(R-HSA-2130480)
HLA class II histocompatibility antigen, DR alpha chain precursor [lumenal side of endoplasmic reticulum membrane]
(R-HSA-2130665)
0.527
2
UniProt:O43505 B4GAT1
1
B4GAT1 [Golgi membrane]
(R-HSA-916821)
0.527
3
UniProt:Q07001 CHRND
1
CHRND [plasma membrane]
(R-HSA-507847)
0.527
2
UniProt:Q9H1C3 GL8D2
0.527
2
UniProt:P13747 HLA-E
7
HLA class I histocompatibility antigen, E alpha chain precursor [plasma membrane]
(R-HSA-197643)
HLA class I histocompatibility antigen, E alpha chain precursor [lumenal side of endoplasmic reticulum membrane]
(R-HSA-983090)
HLA class I histocompatibility antigen, E alpha chain precursor [Golgi membrane]
(R-HSA-983339)
HLA class I histocompatibility antigen, E alpha chain precursor [ER to Golgi transport vesicle membrane]
(R-HSA-983407)
HLA class I histocompatibility antigen, E alpha chain precursor [early endosome membrane]
(R-HSA-1236744)
HLA class I histocompatibility antigen, E alpha chain precursor [recycling endosome membrane]
(R-HSA-8863974)
HLA class I histocompatibility antigen, E alpha chain precursor [phagocytic vesicle membrane]
(R-HSA-1236793)
0.527
2
UniProt:Q9NY72 SCN3B
1
SCN3B [plasma membrane]
(R-HSA-197921)
0.527
2
UniProt:Q8IUE0 TF2LY
0.527
2
UniProt:Q8N6Y1 PCD20
0.527
2
UniProt:Q9NZJ5 EIF2AK3
3
EIF2AK3 [endoplasmic reticulum membrane]
(R-HSA-381046)
EIF2AK3(30-144)-ALK(1058-1620) fusion [cytosol]
(R-HSA-9713456)
EIF2AK3(30-144)-p-7Y-ALK(1058-1620) fusion [cytosol]
(R-HSA-9713454)
0.524
2
© 2025
Reactome
Cite Us!
Cite Us!
Cite Us!
Warning!
Unable to extract citation. Please try again later.
Download As:
BibTeX
RIS
Text