Uniprot accession / id : O75460  OR   Uniprot accession / id : Q9EQY0  OR   Uniprot accession / id : B1ARI8  OR   Uniprot accession / id : A8JR46  OR   Uniprot accession / id : Q09499
 
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Entry Information
Entry status  (1)
REL
(27)
 
Experimental methods  (1)
X-ray diffraction
(27)
 
Authors  (206)
Ashkenazi A
(11)
Braun MG
(11)
Rudolph J
(11)
Wang W
(11)
Clark KR
(10)
Wallweber HA
(10)
Beresini MH
(8)
Chen YA
(7)
Le Thomas A
(7)
Canter B
(6)
Day ES
(6)
Ferri E
(6)
Kaufman SE
(6)
Lammens A
(6)
Liu PS
(6)
Mortara K
(6)
Phung W
(6)
Walters BT
(6)
Collins I
(5)
Kaufman S
(5)
Bayliss R
(4)
Beveridge RE
(4)
Bhatia C
(4)
Burke R
(4)
Caldwell JJ
(4)
Gibbons P
(4)
Joshi A
(4)
Leclerc JP
(4)
Lemire A
(4)
Ly C
(4)
McHardy T
(4)
Newbatt Y
(4)
Schwarz JB
(4)
Zhao L
(4)
Al-Awar R
(3)
Al-awar R
(3)
Beresini M
(3)
Bonnette W
(3)
Buser CA
(3)
Campobasso N
(3)
Canny MD
(3)
Chen S
(3)
Chiovitti D
(3)
Choudhry AE
(3)
Concha NO
(3)
Davies FE
(3)
DeYoung MP
(3)
Duffy N
(3)
Duffy NM
(3)
Durocher D
(3)
Evans KA
(3)
Federowicz K
(3)
Ghiro E
(3)
Heerding DA
(3)
Joachim R
(3)
Kurinov I
(3)
Larivee A
(3)
Larivée A
(3)
Leblanc M
(3)
Lee K
(3)
Lehmann L
(3)
Lucas JL
(3)
Patterson JB
(3)
Poda G
(3)
Prakesch M
(3)
Qi H
(3)
Ralph J
(3)
Sanches M
(3)
Schweitzer C
(3)
Shuster LE
(3)
Sicheri F
(3)
Smallwood A
(3)
Srivastava S
(3)
Su DS
(3)
Sweitzer S
(3)
Talukdar M
(3)
Tam V
(3)
Thevakumaran N
(3)
Toro A
(3)
Totoritis R
(3)
Uehling D
(3)
Vuga D
(3)
Wilson B
(3)
Yang J
(3)
Zeng Q
(3)
Zhang G
(3)
Backes BJ
(2)
Colombano G
(2)
De Bruyn T
(2)
Eccles SA
(2)
Feldman HC
(2)
Hedayat S
(2)
Jones AM
(2)
Kan D
(2)
Maly DJ
(2)
Matthews TP
(2)
McAndrew C
(2)
McAndrew PC
(2)
Mok NY
(2)
Myers SM
(2)
 
More...
 
Homo / hetero assembly  (1)
homo
(27)
 
Assembly composition  (1)
protein structure
(27)
 
Assembly polymer count  (2)
monomer
(14)
dimer
(13)
 
Resolution distribution
1.5 - 2
(2)
2.0 - 2.5
(10)
2.5 - 3
(11)
3.0 - 3.5
(3)
3.5 - 4
(1)
 
Release year distribution
2005 - 2010
(1)
2010 - 2015
(10)
2015 - 2020
(16)
2020 - 2025
(12)
 
Journal  (10)
Nat Commun
(9)
ACS Med Chem Lett
(4)
J Med Chem
(3)
Mol Pharmacol
(3)
Oncotarget
(2)
Proc Natl Acad Sci U S A
(2)
ACS Chem Biol
(1)
EMBO J
(1)
Elife
(1)
Nat Chem Biol
(1)
 
Macromolecules
Organism superkingdom  (1)
Eukaryota
(27)
 
Organism name  (2)
Homo sapiens
(24)
Mus musculus
(3)
 
Molecule name  (8)
Endoplasmic reticulum-to-nucleus signaling 1
(27)
Endoribonuclease
(27)
IRE1a
(27)
Inositol-requiring protein 1
(27)
Ire1-alpha
(27)
Serine/threonine-protein kinase
(27)
Serine/threonine-protein kinase/endoribonuclease IRE1
(27)
hIRE1p
(24)
 
Molecule type  (1)
Protein
(27)
 
Gene names  (4)
ERN1
(24)
IRE1
(24)
Ern1
(3)
Ire1
(3)
 
Interacting ligands  (32)
ADP : ADENOSINE-5'-DIPHOSPHATE
(5)
MG : MAGNESIUM ION
(5)
EDO : 1,2-ETHANEDIOL
(3)
GOL : GLYCEROL
(3)
SO4 : SULFATE ION
(3)
EPE : 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
(2)
NA : SODIUM ION
(2)
31J : 7-hydroxy-6-methoxy-3-[2-(2-methoxyethoxy)ethyl]-4,8-dimethyl-2H-chromen-2-one
(1)
31K : 2-methoxy-6-methyl-4-(4-methyl-3,4-dihydro-2H-1,4-benzoxazin-7-yl)phenol
(1)
31L : 3-methoxy-5-methyl-4'-(morpholin-4-yl)biphenyl-4-ol
(1)
3E4 : N-{4-[(3-{2-[(trans-4-aminocyclohexyl)amino]pyrimidin-4-yl}pyridin-2-yl)oxy]-3-methylnaphthalen-1-yl}-2-chlorobenzenesulfonamide
(1)
4K7 : (5R)-2-(3,4-dichlorobenzyl)-N-(4-methylbenzyl)-2,7-diazaspiro[4.5]decane-7-carboxamide
(1)
4L5 : 2-methoxy-4-[6-(propan-2-ylamino)imidazo[1,2-b]pyridazin-3-yl]benzamide
(1)
BME : BETA-MERCAPTOETHANOL
(1)
CL : CHLORIDE ION
(1)
CS : CESIUM ION
(1)
DTT : 2,3-DIHYDROXY-1,4-DITHIOBUTANE
(1)
GUK : 6-chloranyl-3-(2~{H}-indazol-5-yl)-~{N}-propan-2-yl-imidazo[1,2-b]pyridazin-8-amine
(1)
GXK : 6-chloranyl-~{N}-(cyclopropylmethyl)-3-(2~{H}-indazol-5-yl)imidazo[1,2-b]pyridazin-8-amine
(1)
N8S : 4-amino-N-(6-chloro-2-fluoro-3-{[(2-fluorophenyl)sulfonyl]amino}phenyl)-6-(1,3-dimethyl-1H-pyrazol-4-yl)quinazoline-8-carboxamide
(1)
N94 : 4-amino-N-(6-chloro-2-fluoro-3-{[(pyrrolidin-1-yl)sulfonyl]amino}phenyl)quinazoline-8-carboxamide
(1)
N97 : 4-[(trans-4-aminocyclohexyl)amino]-N-(6-chloro-3-{[(2,5-difluorophenyl)sulfonyl]amino}-2-fluorophenyl)thieno[3,2-d]pyrimidine-7-carboxamide
(1)
PEG : DI(HYDROXYETHYL)ETHER
(1)
PGE : TRIETHYLENE GLYCOL
(1)
QFV : 2-chloro-N-(6-methyl-5-{[3-(2-{[(3S)-piperidin-3-yl]amino}pyrimidin-4-yl)pyridin-2-yl]oxy}naphthalen-1-yl)benzene-1-sulfonamide
(1)
SJG : ethyl ~{N}-[6-methyl-5-[3-[2-[[(3~{S})-piperidin-3-yl]amino]pyrimidin-4-yl]pyridin-2-yl]oxy-naphthalen-1-yl]carbamate
(1)
SJM : ~{N}-[6-methyl-5-[3-[2-[[(3~{S})-piperidin-3-yl]amino]pyrimidin-4-yl]pyridin-2-yl]oxy-naphthalen-1-yl]but-2-ynamide
(1)
SJS : 4-[5-[2,6-bis(fluoranyl)phenyl]-2~{H}-pyrazolo[3,4-b]pyridin-3-yl]-2-(4-oxidanylpiperidin-1-yl)-1~{H}-pyrimidin-6-one
(1)
SJV : methyl ~{N}-[6-methyl-5-[3-[2-[[(3~{S})-piperidin-3-yl]amino]pyrimidin-4-yl]pyridin-2-yl]oxy-naphthalen-1-yl]carbamate
(1)
STU : STAUROSPORINE
(1)
U4N : 2,2,2-tris(fluoranyl)-~{N}-[4-[3-[2-[[(3~{S})-piperidin-3-yl]amino]pyrimidin-4-yl]pyridin-2-yl]oxynaphthalen-1-yl]ethanesulfonamide
(1)
XOE : 1-phenyl-N-(2,3,6-trifluoro-4-{[(3M)-3-(2-{[(3R,5R)-5-fluoropiperidin-3-yl]amino}pyrimidin-4-yl)pyridin-2-yl]oxy}phenyl)methanesulfonamide
(1)
 
Function and Biology
EC number / name  (1)
2.7.11.1 : Non-specific serine/threonine protein kinase
(27)
 
Biological function  (6)
ATP binding
(25)
RNA endonuclease activity
(25)
RNA nuclease activity
(25)
protein kinase activity
(25)
protein serine/threonine kinase activity
(25)
integrin binding
(2)
 
Biological process  (4)
endoplasmic reticulum unfolded protein response
(25)
mRNA processing
(25)
protein phosphorylation
(25)
cell adhesion
(2)
 
Sequence and Structure classification
CATH class  (2)
Alpha Beta
(13)
Mainly Alpha
(13)
 
CATH topology  (3)
Phosphorylase Kinase; domain 1
(13)
Transferase(Phosphotransferase); domain 1
(13)
de novo design (two linked rop proteins)
(13)
 
Representative Structures
Representative Structures
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Entries 1 to 10 of 27
Entries 1 to 10 of 27
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Crystal structure of murine IRE1 in complex with OICR464 inhibitor
Sanches M, Duffy N, Talukdar M, Thevakumaran N, Chiovitti D, Al-awar R, Patterson JB, Sicheri F
Nat Commun (2014) [PMID: 25164867  ]
Source organism: Mus musculus  
Assembly composition: protein only structure
Bound ligands: MG    ADP    ADP    PEU    MG    31K    31K    PEU   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-190166 (Preferred)   search this ID
PDBe-KB: Q9EQY0   
X-ray diffraction
3Å resolution
Released: 3 Sep 2014
Model geometry
Fit model/data
4pl4
4pl4
4pl4
Crystal structure of murine IRE1 in complex with OICR573 inhibitor
Sanches M, Duffy N, Talukdar M, Thevakumaran N, Chiovitti D, Al-awar R, Patterson JB, Sicheri F
Nat Commun (2014) [PMID: 25164867  ]
Source organism: Mus musculus  
Assembly composition: protein only structure
Bound ligands: 31L    MG    31L    ADP    ADP    PEU    MG    PEU   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-190166 (Preferred)   search this ID
PDBe-KB: Q9EQY0   
X-ray diffraction
3.4Å resolution
Released: 3 Sep 2014
Model geometry
Fit model/data
4pl5
4pl5
4pl5
Crystal structure of murine IRE1 in complex with MKC9989 inhibitor
Sanches M, Duffy N, Talukdar M, Thevakumaran N, Chiovitti D, Al-awar R, Patterson JB, Sicheri F
Nat Commun (2014) [PMID: 25164867  ]
Source organism: Mus musculus  
Assembly composition: protein only structure
Bound ligands: 31J    MG    ADP    ADP    MG    31J   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-190166 (Preferred)   search this ID
PDBe-KB: Q9EQY0   
X-ray diffraction
2.9Å resolution
Released: 3 Sep 2014
Model geometry
Fit model/data
4pl3
4pl3
4pl3
Crystal structure of human IRE1 cytoplasmic kinase-RNase region - apo
Bayliss R, Joshi A
Oncotarget (2015) [PMID: 25968568  ]
Source organism: Homo sapiens  
Assembly composition: protein only structure
Bound ligands: NA    NA   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-130961 (Preferred)   search this ID
PDBe-KB: O75460   
X-ray diffraction
2.6Å resolution
Released: 27 May 2015
Model geometry
Fit model/data
4z7g
4z7g
4z7g
Crystal structure of pIRE1alpha in complex with staurosporine
Concha NO
Mol Pharmacol (2015) [PMID: 26438213  ]
Source organism: Homo sapiens  
Assembly composition: protein only structure
Bound ligands: STU   
Modified residues: SEP    SEP   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-130961 (Preferred)   search this ID
PDBe-KB: O75460   
X-ray diffraction
2.494Å resolution
Released: 11 Nov 2015
Model geometry
Fit model/data
4yzc
4yzc
4yzc
Crystal structure of human IRE1 cytoplasmic kinase-RNase region - complex with imidazopyridine compound 3
Joshi A, Bayliss R
Oncotarget (2015) [PMID: 25968568  ]
Source organism: Homo sapiens  
Assembly composition: protein only structure
Bound ligands: SO4    4L5   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-130961 (Preferred)   search this ID
PDBe-KB: O75460   
X-ray diffraction
2.9Å resolution
Released: 27 May 2015
Model geometry
Fit model/data
4z7h
4z7h
4z7h
Crystal Structure of human phosphorylated IRE1alpha in complex with ADP-Mg
Concha NO
Mol Pharmacol (2015) [PMID: 26438213  ]
Source organism: Homo sapiens  
Assembly composition: protein only structure
Bound ligands: MG    ADP    ADP    MG   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-130961 (Preferred)   search this ID
PDBe-KB: O75460   
X-ray diffraction
3.102Å resolution
Released: 11 Nov 2015
Model geometry
Fit model/data
4yzd
4yzd
4yzd
Crystal structure of human IRE1 cytoplasmic domains in complex with a sulfonamide inhibitor.
Mohr C
ACS Med Chem Lett (2015) [PMID: 25589933  ]
Source organism: Homo sapiens  
Assembly composition: protein only structure
Bound ligands: 3E4    SO4    EDO    EPE    3E4   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-130961 (Preferred)   search this ID
PDBe-KB: O75460   
X-ray diffraction
2.5Å resolution
Released: 8 Oct 2014
Model geometry
Fit model/data
4u6r
4u6r
4u6r
Crystal Structure of human phosphorylated IRE1alpha in complex with a type III kinase inhibitor (GSK2850163A)
Concha NO
Mol Pharmacol (2015) [PMID: 26438213  ]
Source organism: Homo sapiens  
Assembly composition: protein only structure
Bound ligands: 4K7    4K7   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-130961 (Preferred)   search this ID
PDBe-KB: O75460   
X-ray diffraction
2.463Å resolution
Released: 11 Nov 2015
Model geometry
Fit model/data
4yz9
4yz9
4yz9
Crystal structure of apo human IRE1 alpha
Feldman HC, Tong M, Wang L, Meza-Acevedo R, Gobillot TA, Gliedt JM, Hari SB, Mitra AK, Backes BJ, Papa FR, Seeliger MA, Maly DJ
ACS Chem Biol (2016) [PMID: 27227314  ]
Source organism: Homo sapiens  
Assembly composition: protein only structure
Bound ligands: CS    GOL    BME    DTT    NA    CL    CS    DTT    NA   
Assembly name: Serine/threonine-protein kinase/endoribonuclease IRE1 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-130962 (Preferred)   search this ID
PDBe-KB: O75460   
X-ray diffraction
2.584Å resolution
Released: 8 Jun 2016
Model geometry
Fit model/data
5hgi
5hgi
5hgi
Entries 1 to 10 of 27
Entries 1 to 10 of 27