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- PDB-2wmv: Crystal structure of checkpoint kinase 1 (Chk1) in complex with i... -

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Basic information

Entry
Database: PDB / ID: 2wmv
TitleCrystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors
ComponentsSERINE/THREONINE-PROTEIN KINASE CHK1
KeywordsTRANSFERASE / SERINE/THREONINE-PROTEIN KINASE / POLYMORPHISM / PHOSPHOPROTEIN / UBL CONJUGATION / ISOPEPTIDE BOND / CHECKPOINT KINASE / NUCLEOTIDE-BINDING / SERINE/THREONINE KINASE / DNA DAMAGE / DNA REPAIR / ATP-BINDING / CHK1 / KINASE / NUCLEUS / CYTOPLASM / CELL CYCLE
Function / homology
Function and homology information


negative regulation of G0 to G1 transition / apoptotic process involved in development / histone H3T11 kinase activity / regulation of mitotic centrosome separation / negative regulation of mitotic nuclear division / mitotic G2/M transition checkpoint / inner cell mass cell proliferation / regulation of double-strand break repair via homologous recombination / nucleus organization / negative regulation of gene expression, epigenetic ...negative regulation of G0 to G1 transition / apoptotic process involved in development / histone H3T11 kinase activity / regulation of mitotic centrosome separation / negative regulation of mitotic nuclear division / mitotic G2/M transition checkpoint / inner cell mass cell proliferation / regulation of double-strand break repair via homologous recombination / nucleus organization / negative regulation of gene expression, epigenetic / Transcriptional Regulation by E2F6 / mitotic G2 DNA damage checkpoint signaling / Presynaptic phase of homologous DNA pairing and strand exchange / replicative senescence / peptidyl-threonine phosphorylation / signal transduction in response to DNA damage / Chk1/Chk2(Cds1) mediated inactivation of Cyclin B:Cdk1 complex / Activation of ATR in response to replication stress / positive regulation of cell cycle / DNA damage checkpoint signaling / regulation of signal transduction by p53 class mediator / replication fork / condensed nuclear chromosome / TP53 Regulates Transcription of DNA Repair Genes / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / cellular response to mechanical stimulus / Signaling by SCF-KIT / G2/M DNA damage checkpoint / G2/M transition of mitotic cell cycle / regulation of cell population proliferation / Processing of DNA double-strand break ends / Regulation of TP53 Activity through Phosphorylation / DNA replication / protein phosphorylation / non-specific serine/threonine protein kinase / protein kinase activity / chromatin remodeling / protein domain specific binding / protein serine kinase activity / DNA repair / intracellular membrane-bounded organelle / protein serine/threonine kinase activity / apoptotic process / DNA damage response / centrosome / chromatin / protein-containing complex / extracellular space / nucleoplasm / ATP binding / nucleus / cytoplasm / cytosol
Similarity search - Function
Checkpoint kinase 1, catalytic domain / Phosphorylase Kinase; domain 1 / Phosphorylase Kinase; domain 1 / Transferase(Phosphotransferase) domain 1 / Transferase(Phosphotransferase); 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 ...Checkpoint kinase 1, catalytic domain / Phosphorylase Kinase; domain 1 / Phosphorylase Kinase; domain 1 / Transferase(Phosphotransferase) domain 1 / Transferase(Phosphotransferase); 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
Chem-ZYV / Serine/threonine-protein kinase Chk1
Similarity search - Component
Biological speciesHOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.009 Å
AuthorsMatthews, T.P. / Klair, S. / Burns, S. / Boxall, K. / Cherry, M. / Fisher, M. / Westwood, I.M. / Walton, M.I. / McHardy, T. / Cheung, K.-M.J. ...Matthews, T.P. / Klair, S. / Burns, S. / Boxall, K. / Cherry, M. / Fisher, M. / Westwood, I.M. / Walton, M.I. / McHardy, T. / Cheung, K.-M.J. / Van Montfort, R. / Williams, D. / Aherne, G.W. / Garrett, M.D. / Reader, J. / Collins, I.
CitationJournal: J.Med.Chem. / Year: 2009
Title: Identification of Inhibitors of Checkpoint Kinase 1 Through Template Screening.
Authors: Matthews, T.P. / Klair, S. / Burns, S. / Boxall, K. / Cherry, M. / Fisher, M. / Westwood, I.M. / Walton, M.I. / Mchardy, T. / Cheung, K.-M.J. / Van Montfort, R. / Williams, D. / Aherne, G.W. ...Authors: Matthews, T.P. / Klair, S. / Burns, S. / Boxall, K. / Cherry, M. / Fisher, M. / Westwood, I.M. / Walton, M.I. / Mchardy, T. / Cheung, K.-M.J. / Van Montfort, R. / Williams, D. / Aherne, G.W. / Garrett, M.D. / Reader, J. / Collins, I.
History
DepositionJul 3, 2009Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 28, 2009Provider: repository / Type: Initial release
Revision 1.1Oct 12, 2011Group: Database references / Derived calculations ...Database references / Derived calculations / Non-polymer description / Other / Refinement description / Version format compliance
Revision 1.2Jun 28, 2017Group: Data collection / Category: diffrn_source / Item: _diffrn_source.type
Revision 1.3Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: SERINE/THREONINE-PROTEIN KINASE CHK1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)33,2772
Polymers33,0431
Non-polymers2341
Water2,198122
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)44.630, 64.910, 53.350
Angle α, β, γ (deg.)90.00, 100.76, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein SERINE/THREONINE-PROTEIN KINASE CHK1 / CHECKPOINT KINASE 1


Mass: 33042.988 Da / Num. of mol.: 1 / Fragment: KINASE DOMAIN, RESIDUES 1-289
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Cell line (production host): SF9 / Production host: SPODOPTERA FRUGIPERDA (fall armyworm)
References: UniProt: O14757, non-specific serine/threonine protein kinase
#2: Chemical ChemComp-ZYV / 1-[(2S)-4-(7H-PURIN-6-YL)MORPHOLIN-2-YL]METHANAMINE / (4-(9H-PURIN-6-YL)MORPHOLIN-2-YL)METHANAMINE


Mass: 234.258 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H14N6O
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 122 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.6 Å3/Da / Density % sol: 52.9 % / Description: NONE
Crystal growDetails: DL-MALIC ACID/PEG3350

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.5418
DetectorType: RIGAKU CCD / Detector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.01→36.33 Å / Num. obs: 19031 / % possible obs: 95.1 % / Observed criterion σ(I): 1.5 / Redundancy: 2.4 % / Biso Wilson estimate: 32.55 Å2 / Rmerge(I) obs: 0.06 / Net I/σ(I): 8.5
Reflection shellResolution: 2.01→2.12 Å / Redundancy: 2.2 % / Rmerge(I) obs: 0.24 / Mean I/σ(I) obs: 2.8 / % possible all: 97.4

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Processing

Software
NameVersionClassification
PHENIX(PHENIX.REFINE)refinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2HY0

2hy0


Resolution: 2.009→36.333 Å / SU ML: 0.29 / σ(F): 1.36 / Phase error: 23.06 / Stereochemistry target values: MLHL
RfactorNum. reflection% reflection
Rfree0.2409 895 4.7 %
Rwork0.2137 --
obs0.215 19003 94.72 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 51.33 Å2 / ksol: 0.384 e/Å3
Displacement parametersBiso mean: 42.21 Å2
Baniso -1Baniso -2Baniso -3
1--11.0344 Å20 Å21.4482 Å2
2--3.5273 Å2-0 Å2
3---7.507 Å2
Refinement stepCycle: LAST / Resolution: 2.009→36.333 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2031 0 17 122 2170
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0062097
X-RAY DIFFRACTIONf_angle_d0.9732842
X-RAY DIFFRACTIONf_dihedral_angle_d17.435779
X-RAY DIFFRACTIONf_chiral_restr0.067309
X-RAY DIFFRACTIONf_plane_restr0.006364
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.009-2.13490.26291460.2413081X-RAY DIFFRACTION97
2.1349-2.29970.2591570.22813072X-RAY DIFFRACTION98
2.2997-2.53110.23581530.23173052X-RAY DIFFRACTION96
2.5311-2.89720.26911410.22423045X-RAY DIFFRACTION95
2.8972-3.64960.24691460.20542978X-RAY DIFFRACTION93
3.6496-36.3390.21171520.19242880X-RAY DIFFRACTION89
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
10.7949-0.0716-0.08350.61030.11680.9275-0.09340.4377-0.0134-0.3010.05050.01310.0884-0.21390.05840.3162-0.0652-0.00560.404-0.01850.18198.329-1.16345.9933
21.5828-0.1844-0.63190.8005-0.08310.3731-0.0413-0.2529-0.08410.0072-0.019-0.0182-0.00060.03910.06350.1788-0.00230.00480.20130.0170.180313.76373.679428.2493
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1(CHAIN A AND RESID 8:103)
2X-RAY DIFFRACTION2(CHAIN A AND RESID 104:269)

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