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- PDB-6eii: The crystal structure of CK2alpha in complex with compound 18 -

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Basic information

Entry
Database: PDB / ID: 6eii
TitleThe crystal structure of CK2alpha in complex with compound 18
ComponentsCasein kinase II subunit alpha
KeywordsTRANSFERASE / CK2alpha / CK2a / fragment based drug discovery / high concentration screening / selective ATP competitive inhibitors / surface entrophy reduction
Function / homology
Function and homology information


regulation of chromosome separation / positive regulation of aggrephagy / Condensation of Prometaphase Chromosomes / WNT mediated activation of DVL / protein kinase CK2 complex / symbiont-mediated disruption of host cell PML body / Receptor Mediated Mitophagy / Synthesis of PC / Sin3-type complex / RUNX1 interacts with co-factors whose precise effect on RUNX1 targets is not known ...regulation of chromosome separation / positive regulation of aggrephagy / Condensation of Prometaphase Chromosomes / WNT mediated activation of DVL / protein kinase CK2 complex / symbiont-mediated disruption of host cell PML body / Receptor Mediated Mitophagy / Synthesis of PC / Sin3-type complex / RUNX1 interacts with co-factors whose precise effect on RUNX1 targets is not known / Maturation of hRSV A proteins / negative regulation of apoptotic signaling pathway / positive regulation of Wnt signaling pathway / negative regulation of double-strand break repair via homologous recombination / chaperone-mediated protein folding / negative regulation of proteasomal ubiquitin-dependent protein catabolic process / : / Signal transduction by L1 / peptidyl-threonine phosphorylation / Hsp90 protein binding / PML body / Wnt signaling pathway / Regulation of PTEN stability and activity / positive regulation of protein catabolic process / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / KEAP1-NFE2L2 pathway / rhythmic process / double-strand break repair / kinase activity / peptidyl-serine phosphorylation / positive regulation of cell growth / Regulation of TP53 Activity through Phosphorylation / negative regulation of translation / non-specific serine/threonine protein kinase / regulation of cell cycle / protein stabilization / protein phosphorylation / protein serine kinase activity / protein serine/threonine kinase activity / DNA damage response / positive regulation of cell population proliferation / apoptotic process / signal transduction / nucleoplasm / ATP binding / identical protein binding / nucleus / plasma membrane / cytosol
Similarity search - Function
Casein Kinase 2, subunit alpha / Transferase(Phosphotransferase) domain 1 / Transferase(Phosphotransferase); domain 1 / Phosphorylase Kinase; domain 1 / Phosphorylase Kinase; domain 1 / Serine/threonine-protein kinase, active site / Serine/Threonine protein kinases active-site signature. / Protein kinase domain / Serine/Threonine protein kinases, catalytic domain / Protein kinase, ATP binding site ...Casein Kinase 2, subunit alpha / Transferase(Phosphotransferase) domain 1 / Transferase(Phosphotransferase); domain 1 / Phosphorylase Kinase; domain 1 / Phosphorylase Kinase; domain 1 / Serine/threonine-protein kinase, active site / Serine/Threonine protein kinases active-site signature. / Protein kinase domain / Serine/Threonine protein kinases, catalytic domain / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily / 2-Layer Sandwich / Orthogonal Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / Chem-B5W / PHOSPHATE ION / Casein kinase II subunit alpha
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.935 Å
AuthorsBrear, P. / De Fusco, C. / Iegre, J. / Yoshida, M. / Mitchell, S. / Rossmann, M. / Carro, L. / Sore, H. / Hyvonen, M. / Spring, D.
Funding support United Kingdom, 2items
OrganizationGrant numberCountry
Wellcome Trust090340/Z/09/Z United Kingdom
Wellcome Trust107714/Z/15/Z United Kingdom
CitationJournal: Chem Sci / Year: 2018
Title: Second-generation CK2 alpha inhibitors targeting the alpha D pocket.
Authors: Iegre, J. / Brear, P. / De Fusco, C. / Yoshida, M. / Mitchell, S.L. / Rossmann, M. / Carro, L. / Sore, H.F. / Hyvonen, M. / Spring, D.R.
History
DepositionSep 19, 2017Deposition site: PDBE / Processing site: PDBE
Revision 1.0Feb 28, 2018Provider: repository / Type: Initial release
Revision 1.1May 16, 2018Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.name
Revision 1.2Oct 9, 2019Group: Data collection / Derived calculations / Category: pdbx_struct_assembly / pdbx_struct_assembly_gen
Revision 1.3Jan 17, 2024Group: 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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Casein kinase II subunit alpha
B: Casein kinase II subunit alpha
hetero molecules


Theoretical massNumber of molelcules
Total (without water)84,22512
Polymers82,9362
Non-polymers1,29010
Water3,819212
1
A: Casein kinase II subunit alpha
hetero molecules


Theoretical massNumber of molelcules
Total (without water)42,1136
Polymers41,4681
Non-polymers6455
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Casein kinase II subunit alpha
hetero molecules


Theoretical massNumber of molelcules
Total (without water)42,1136
Polymers41,4681
Non-polymers6455
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)65.918, 66.226, 333.160
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number20
Space group name H-MC2221

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Components

#1: Protein Casein kinase II subunit alpha / CK II alpha


Mass: 41467.793 Da / Num. of mol.: 2
Fragment: residues 2-329 and N-terminal extension GSMDIEFDDDADDDGSGSGSGSGS
Mutation: R21S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CSNK2A1, CK2A1 / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: P68400, non-specific serine/threonine protein kinase
#2: Chemical
ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H3O2
#3: Chemical
ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: PO4
#4: Chemical ChemComp-B5W / (3-chloranyl-4-phenyl-phenyl)methyl-(3-phenylpropyl)azanium


Mass: 336.878 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C22H23ClN / Feature type: SUBJECT OF INVESTIGATION
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 212 / Source method: isolated from a natural source / Formula: H2O

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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: 2.19 Å3/Da / Density % sol: 43.89 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 112.5mM Mes pH 6.5, 35% glycerol ethoxylate, 180 mM ammonium acetate

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I02 / Wavelength: 0.91741 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Nov 19, 2014
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.91741 Å / Relative weight: 1
ReflectionResolution: 1.935→111.053 Å / Num. obs: 53830 / % possible obs: 97.8 % / Redundancy: 5.7 % / Biso Wilson estimate: 35.03 Å2 / CC1/2: 0.999 / Rmerge(I) obs: 0.045 / Rpim(I) all: 0.02 / Rrim(I) all: 0.05 / Net I/σ(I): 19.5 / Num. measured all: 307997
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsCC1/2Rpim(I) allRrim(I) all% possible all
1.935-1.9414.80.5320.8720.2480.5997.9
8.979-111.0536.10.0220.9990.010.024100

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Processing

Software
NameVersionClassification
Aimlessdata scaling
BUSTER2.10.1refinement
PDB_EXTRACT3.23data extraction
XDSdata reduction
PHASERphasing
XDSdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5CVH

5cvh


Resolution: 1.935→55.53 Å / Cor.coef. Fo:Fc: 0.9278 / Cor.coef. Fo:Fc free: 0.911 / SU R Cruickshank DPI: 0.179 / Cross valid method: THROUGHOUT / σ(F): 0 / SU R Blow DPI: 0.18 / SU Rfree Blow DPI: 0.15 / SU Rfree Cruickshank DPI: 0.151
RfactorNum. reflection% reflectionSelection details
Rfree0.2338 2728 5.08 %RANDOM
Rwork0.2077 ---
obs0.209 53748 96.1 %-
Displacement parametersBiso max: 148.36 Å2 / Biso mean: 45.19 Å2 / Biso min: 18.88 Å2
Baniso -1Baniso -2Baniso -3
1--3.7999 Å20 Å20 Å2
2---9.182 Å20 Å2
3---12.9819 Å2
Refine analyzeLuzzati coordinate error obs: 0.264 Å
Refinement stepCycle: final / Resolution: 1.935→55.53 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5500 0 108 212 5820
Biso mean--58.69 45.07 -
Num. residues----652
Refine LS restraints
Refine-IDTypeNumberRestraint functionWeightDev ideal
X-RAY DIFFRACTIONt_dihedral_angle_d2059SINUSOIDAL2
X-RAY DIFFRACTIONt_trig_c_planes144HARMONIC2
X-RAY DIFFRACTIONt_gen_planes904HARMONIC5
X-RAY DIFFRACTIONt_it5827HARMONIC20
X-RAY DIFFRACTIONt_nbd
X-RAY DIFFRACTIONt_improper_torsion
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_chiral_improper_torsion691SEMIHARMONIC5
X-RAY DIFFRACTIONt_sum_occupancies
X-RAY DIFFRACTIONt_utility_distance
X-RAY DIFFRACTIONt_utility_angle
X-RAY DIFFRACTIONt_utility_torsion
X-RAY DIFFRACTIONt_ideal_dist_contact6603SEMIHARMONIC0
X-RAY DIFFRACTIONt_bond_d5827HARMONIC20.01
X-RAY DIFFRACTIONt_angle_deg7885HARMONIC20.96
X-RAY DIFFRACTIONt_omega_torsion2.78
X-RAY DIFFRACTIONt_other_torsion17.34
LS refinement shellResolution: 1.935→1.98 Å / Rfactor Rfree error: 0
RfactorNum. reflection% reflection
Rfree0.2384 151 4.9 %
Rwork0.2367 2929 -
obs--96.1 %

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