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- PDB-6w3c: Structure of phosphorylated apo IRE1 -

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Basic information

Entry
Database: PDB / ID: 6w3c
TitleStructure of phosphorylated apo IRE1
ComponentsSerine/threonine-protein kinase/endoribonuclease IRE1
KeywordsTRANSFERASE / kinase / UPR
Function / homology
Function and homology information


mRNA splicing, via endonucleolytic cleavage and ligation / peptidyl-serine trans-autophosphorylation / AIP1-IRE1 complex / Ire1 complex / IRE1alpha activates chaperones / IRE1-TRAF2-ASK1 complex / insulin metabolic process / positive regulation of endoplasmic reticulum unfolded protein response / peptidyl-serine autophosphorylation / IRE1-RACK1-PP2A complex ...mRNA splicing, via endonucleolytic cleavage and ligation / peptidyl-serine trans-autophosphorylation / AIP1-IRE1 complex / Ire1 complex / IRE1alpha activates chaperones / IRE1-TRAF2-ASK1 complex / insulin metabolic process / positive regulation of endoplasmic reticulum unfolded protein response / peptidyl-serine autophosphorylation / IRE1-RACK1-PP2A complex / platelet-derived growth factor receptor binding / Hydrolases; Acting on ester bonds; Endoribonucleases producing 5'-phosphomonoesters / endothelial cell proliferation / nuclear inner membrane / IRE1-mediated unfolded protein response / mRNA catabolic process / intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress / cellular response to vascular endothelial growth factor stimulus / regulation of macroautophagy / cellular response to unfolded protein / positive regulation of JUN kinase activity / positive regulation of vascular associated smooth muscle cell proliferation / Hsp70 protein binding / response to endoplasmic reticulum stress / RNA endonuclease activity / positive regulation of RNA splicing / cellular response to glucose stimulus / Hsp90 protein binding / ADP binding / cellular response to hydrogen peroxide / unfolded protein binding / eukaryotic translation initiation factor 2alpha kinase activity / 3-phosphoinositide-dependent protein kinase activity / DNA-dependent protein kinase activity / histone H2AXS139 kinase activity / histone H3S28 kinase activity / histone H4S1 kinase activity / histone H3T3 kinase activity / histone H2AS121 kinase activity / histone H2BS36 kinase activity / histone H3S57 kinase activity / histone H2AT120 kinase activity / Rho-dependent protein serine/threonine kinase activity / ribosomal protein S6 kinase activity / histone H2BS14 kinase activity / histone H3T6 kinase activity / histone H3T45 kinase activity / histone H3S10 kinase activity / histone H3T11 kinase activity / AMP-activated protein kinase activity / protein autophosphorylation / histone H2AS1 kinase activity / non-specific serine/threonine protein kinase / protein phosphorylation / protein serine/threonine kinase activity / protein serine kinase activity / endoplasmic reticulum membrane / enzyme binding / magnesium ion binding / endoplasmic reticulum / protein homodimerization activity / mitochondrion / ATP binding / identical protein binding / cytoplasm
Similarity search - Function
Serine/threonine-protein kinase/endoribonuclease IRE1/2-like / KEN domain / KEN domain superfamily / Ribonuclease 2-5A / KEN domain profile. / domain in protein kinases, N-glycanases and other nuclear proteins / Pyrrolo-quinoline quinone beta-propeller repeat / beta-propeller repeat / Quinoprotein alcohol dehydrogenase-like superfamily / Serine/threonine-protein kinase, active site ...Serine/threonine-protein kinase/endoribonuclease IRE1/2-like / KEN domain / KEN domain superfamily / Ribonuclease 2-5A / KEN domain profile. / domain in protein kinases, N-glycanases and other nuclear proteins / Pyrrolo-quinoline quinone beta-propeller repeat / beta-propeller repeat / Quinoprotein alcohol dehydrogenase-like superfamily / Serine/threonine-protein kinase, active site / Serine/Threonine protein kinases active-site signature. / Protein kinase domain / Serine/Threonine protein kinases, catalytic domain / WD40/YVTN repeat-like-containing domain superfamily / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily
Similarity search - Domain/homology
Serine/threonine-protein kinase/endoribonuclease IRE1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsWallweber, H. / Mortara, K. / Ferri, E. / Wang, W. / Rudolph, J.
CitationJournal: Nat Commun / Year: 2020
Title: Activation of the IRE1 RNase through remodeling of the kinase front pocket by ATP-competitive ligands.
Authors: Ferri, E. / Le Thomas, A. / Wallweber, H.A. / Day, E.S. / Walters, B.T. / Kaufman, S.E. / Braun, M.G. / Clark, K.R. / Beresini, M.H. / Mortara, K. / Chen, Y.A. / Canter, B. / Phung, W. / ...Authors: Ferri, E. / Le Thomas, A. / Wallweber, H.A. / Day, E.S. / Walters, B.T. / Kaufman, S.E. / Braun, M.G. / Clark, K.R. / Beresini, M.H. / Mortara, K. / Chen, Y.A. / Canter, B. / Phung, W. / Liu, P.S. / Lammens, A. / Ashkenazi, A. / Rudolph, J. / Wang, W.
History
DepositionMar 9, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 9, 2020Provider: repository / Type: Initial release
Revision 1.1Dec 30, 2020Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.name
Revision 1.2Oct 18, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.3Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Serine/threonine-protein kinase/endoribonuclease IRE1
B: Serine/threonine-protein kinase/endoribonuclease IRE1
C: Serine/threonine-protein kinase/endoribonuclease IRE1
D: Serine/threonine-protein kinase/endoribonuclease IRE1


Theoretical massNumber of molelcules
Total (without water)199,2064
Polymers199,2064
Non-polymers00
Water6,359353
1
A: Serine/threonine-protein kinase/endoribonuclease IRE1
C: Serine/threonine-protein kinase/endoribonuclease IRE1


Theoretical massNumber of molelcules
Total (without water)99,6032
Polymers99,6032
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Serine/threonine-protein kinase/endoribonuclease IRE1
D: Serine/threonine-protein kinase/endoribonuclease IRE1


Theoretical massNumber of molelcules
Total (without water)99,6032
Polymers99,6032
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)47.492, 158.664, 155.944
Angle α, β, γ (deg.)90.000, 91.010, 90.000
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein
Serine/threonine-protein kinase/endoribonuclease IRE1 / Endoplasmic reticulum-to-nucleus signaling 1 / Inositol-requiring protein 1 / hIRE1p / Ire1-alpha / IRE1a


Mass: 49801.430 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ERN1, IRE1 / Cell line (production host): Sf9 / Production host: Spodoptera frugiperda (fall armyworm)
References: UniProt: O75460, non-specific serine/threonine protein kinase, Hydrolases; Acting on ester bonds; Endoribonucleases producing 5'-phosphomonoesters
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 353 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestN
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.96 Å3/Da / Density % sol: 58.49 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop
Details: 10% 2-propanol, 0.1 M sodium citrate tribasic dihydrate pH 5.0, and 26% PEG400, and 4% pentaerythritol ethoxylate, 4% 1,3-propanediol, 4% 1,3-butanediol

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: CLSI / Beamline: 08ID-1 / Wavelength: 0.97949 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jun 1, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97949 Å / Relative weight: 1
ReflectionResolution: 2.3→47.485 Å / Num. obs: 195064 / % possible obs: 99.5 % / Redundancy: 3.8 % / Biso Wilson estimate: 45.29 Å2 / CC1/2: 0.998 / Rmerge(I) obs: 0.066 / Rpim(I) all: 0.039 / Rrim(I) all: 0.077 / Net I/σ(I): 12.5
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. measured allNum. unique obsCC1/2Rpim(I) allRrim(I) allNet I/σ(I) obs% possible all
2.3-2.3083.70.66536409820.7130.4010.779297.9
10.636-47.4853.60.035375110360.9990.020.04130.296.7

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Processing

Software
NameVersionClassification
PHENIX1.9_1692refinement
Aimlessdata scaling
PDB_EXTRACT3.25data extraction
XDSdata reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5HGI

5hgi


Resolution: 2.3→47.485 Å / SU ML: 0.33 / Cross valid method: THROUGHOUT / σ(F): 1.17 / Phase error: 27.64 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.248 9448 4.84 %
Rwork0.2058 185616 -
obs0.2079 195064 96.44 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 187.46 Å2 / Biso mean: 53.4329 Å2 / Biso min: 26.81 Å2
Refinement stepCycle: final / Resolution: 2.3→47.485 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13125 0 0 353 13478
Biso mean---52.42 -
Num. residues----1617
LS refinement shellResolution: 2.3→2.3261 Å
RfactorNum. reflection% reflection
Rfree0.3532 --
Rwork0.3236 6162 -
obs--96.8 %
Refinement TLS params.Method: refined / Origin x: 11.468 Å / Origin y: 5.1229 Å / Origin z: 30.1319 Å
111213212223313233
T0.3239 Å20.0044 Å2-0.0118 Å2-0.3568 Å20.0035 Å2--0.372 Å2
L0.0505 °20.0229 °2-0.0427 °2-0.1192 °2-0.1171 °2--0.2824 °2
S-0.0062 Å °0.0329 Å °0.0231 Å °-0.0163 Å °0.0009 Å °-0.0141 Å °-0.0103 Å °-0.0126 Å °0.0017 Å °
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1allA560 - 964
2X-RAY DIFFRACTION1allB560 - 963
3X-RAY DIFFRACTION1allC560 - 963
4X-RAY DIFFRACTION1allD560 - 963
5X-RAY DIFFRACTION1allM1 - 368

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