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- PDB-2ycf: Crystal Structure of Checkpoint Kinase 2 in complex with Inhibito... -

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Basic information

Entry
Database: PDB / ID: 2ycf
TitleCrystal Structure of Checkpoint Kinase 2 in complex with Inhibitor PV1531
ComponentsSERINE/THREONINE-PROTEIN KINASE CHK2
KeywordsTRANSFERASE / ANTICANCER / ANTICANCER DRUG DESIGN
Function / homology
Function and homology information


mitotic DNA damage checkpoint signaling / regulation of autophagosome assembly / mitotic intra-S DNA damage checkpoint signaling / DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator / thymocyte apoptotic process / regulation of protein catabolic process / replicative senescence / mitotic spindle assembly / intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / signal transduction in response to DNA damage ...mitotic DNA damage checkpoint signaling / regulation of autophagosome assembly / mitotic intra-S DNA damage checkpoint signaling / DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator / thymocyte apoptotic process / regulation of protein catabolic process / replicative senescence / mitotic spindle assembly / intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / signal transduction in response to DNA damage / Chk1/Chk2(Cds1) mediated inactivation of Cyclin B:Cdk1 complex / DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest / regulation of signal transduction by p53 class mediator / DNA damage checkpoint signaling / Ubiquitin Mediated Degradation of Phosphorylated Cdc25A / Stabilization of p53 / protein catabolic process / G2/M DNA damage checkpoint / PML body / cellular response to gamma radiation / Regulation of TP53 Activity through Methylation / intrinsic apoptotic signaling pathway in response to DNA damage / G2/M transition of mitotic cell cycle / Regulation of TP53 Degradation / double-strand break repair / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / Regulation of TP53 Activity through Phosphorylation / protein autophosphorylation / protein stabilization / non-specific serine/threonine protein kinase / protein phosphorylation / cell division / protein serine kinase activity / protein serine/threonine kinase activity / ubiquitin protein ligase binding / DNA damage response / regulation of DNA-templated transcription / protein kinase binding / positive regulation of DNA-templated transcription / Golgi apparatus / protein homodimerization activity / nucleoplasm / ATP binding / identical protein binding / nucleus / metal ion binding / cytoplasm
Similarity search - Function
Forkhead associated domain / Forkhead-associated (FHA) domain profile. / FHA domain / Forkhead-associated (FHA) domain / SMAD/FHA domain superfamily / Transferase(Phosphotransferase) domain 1 / Transferase(Phosphotransferase); domain 1 / Phosphorylase Kinase; domain 1 / Phosphorylase Kinase; domain 1 / Serine/threonine-protein kinase, active site ...Forkhead associated domain / Forkhead-associated (FHA) domain profile. / FHA domain / Forkhead-associated (FHA) domain / SMAD/FHA domain superfamily / 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 domain profile. / Protein kinase domain / Protein kinase-like domain superfamily / 2-Layer Sandwich / Orthogonal Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
NITRATE ION / Chem-YCF / Serine/threonine-protein kinase Chk2
Similarity search - Component
Biological speciesHOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.77 Å
AuthorsLountos, G.T. / Jobson, A.G. / Tropea, J.E. / Self, C.R. / Pommier, Y. / Shoemaker, R.H. / Zhang, G. / Waugh, D.S.
CitationJournal: J.Struct.Biol. / Year: 2011
Title: Structural Characterization of Inhibitor Complexes with Checkpoint Kinase 2 (Chk2), a Drug Target for Cancer Therapy.
Authors: Lountos, G.T. / Jobson, A.G. / Tropea, J.E. / Self, C.R. / Zhang, G. / Pommier, Y. / Shoemaker, R.H. / Waugh, D.S.
History
DepositionMar 14, 2011Deposition site: PDBE / Processing site: PDBE
Revision 1.0Nov 16, 2011Provider: repository / Type: Initial release
Revision 1.1Dec 20, 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 / pdbx_struct_conn_angle / struct_conn / 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 / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _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

Downloads & links

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Assembly

Deposited unit
A: SERINE/THREONINE-PROTEIN KINASE CHK2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)36,9604
Polymers36,4331
Non-polymers5273
Water4,666259
1
A: SERINE/THREONINE-PROTEIN KINASE CHK2
hetero molecules

A: SERINE/THREONINE-PROTEIN KINASE CHK2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)73,9208
Polymers72,8662
Non-polymers1,0546
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation5_555x-y,-y,-z+1/31
Buried area3090 Å2
ΔGint-30.1 kcal/mol
Surface area29680 Å2
MethodPISA
Unit cell
Length a, b, c (Å)90.465, 90.465, 93.639
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221

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Components

#1: Protein SERINE/THREONINE-PROTEIN KINASE CHK2 / CHECKPOINT KINASE 2 / CDS1


Mass: 36433.125 Da / Num. of mol.: 1 / Fragment: CATALYTIC DOMAIN, RESIDUES 210-530
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Plasmid: PDZ1927 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): RIL
References: UniProt: O96017, non-specific serine/threonine protein kinase
#2: Chemical ChemComp-YCF / (2E)-N-hydroxy-2-[1-(4-{[(4-{(1E)-1-[2-(N'-hydroxycarbamimidoyl)hydrazinylidene]ethyl}phenyl)carbamoyl]amino}phenyl)ethylidene]hydrazinecarboximidamide


Mass: 440.459 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C19H24N10O3
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-NO3 / NITRATE ION


Mass: 62.005 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: NO3
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 259 / 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: 3.02 Å3/Da / Density % sol: 59.3 % / Description: NONE
Crystal growpH: 7.8
Details: 0.1M HEPES PH 7.8, 0.1 M MAGNESIUM NITRATE, 14% W/V PEG 3350, 16% V/V ETHYLENE GLYCOL

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 1
DetectorType: MARRESEARCH MX-300 / Detector: CCD / Date: Jun 9, 2007
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.77→50 Å / Num. obs: 44051 / % possible obs: 99.4 % / Observed criterion σ(I): 2 / Redundancy: 6.8 % / Rmerge(I) obs: 0.06 / Net I/σ(I): 48.3
Reflection shellResolution: 1.77→1.82 Å / Redundancy: 5.9 % / Rmerge(I) obs: 0.66 / Mean I/σ(I) obs: 2.9 / % possible all: 99.8

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Processing

Software
NameVersionClassification
REFMAC5.5.0104refinement
HKL-3000data reduction
SCALEPACKdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2CN5

2cn5


Resolution: 1.77→50 Å / Cor.coef. Fo:Fc: 0.96 / Cor.coef. Fo:Fc free: 0.953 / SU B: 4.511 / SU ML: 0.067 / Cross valid method: THROUGHOUT / ESU R: 0.104 / ESU R Free: 0.099 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.21771 2183 5 %RANDOM
Rwork0.19633 ---
obs0.19739 41231 99.56 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 37.03 Å2
Baniso -1Baniso -2Baniso -3
1--0.14 Å2-0.07 Å20 Å2
2---0.14 Å20 Å2
3---0.2 Å2
Refinement stepCycle: LAST / Resolution: 1.77→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2286 0 37 259 2582
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0222442
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.2172.0053315
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg4.9745308
X-RAY DIFFRACTIONr_dihedral_angle_2_deg37.18924.84899
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.45515473
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.4311510
X-RAY DIFFRACTIONr_chiral_restr0.0830.2383
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.0211789
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.751.51466
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.4122397
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it2.0583976
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it3.5184.5905
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellHighest resolution: 1.77 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.281 163 -
Rwork0.268 3011 -
obs--99.97 %
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)
12.0520.9192-0.17140.5481-0.0382-0.03280.0543-0.13520.0124-0.0347-0.0589-0.0161-0.0308-0.00580.00470.0409-0.01460.00970.07920.00750.036953.763711.7047-3.7768
21.42840.3892-0.43080.4904-0.12640.61390.00560.15710.1421-0.01960.01930.03070.01530.0426-0.02490.0420.0115-0.00720.07460.04190.035237.91838.6887-9.9219
30.44190.11970.01650.3103-0.52170.67680.01120.03260.08-0.0198-0.03770.05540.0818-0.03610.02650.03980.0115-0.01660.0427-0.01710.088925.71454.32616.2431
41.07660.6798-0.25211.2772-0.0470.3144-0.15540.307-0.0875-0.16050.04360.22740.2175-0.16640.11190.0658-0.0075-0.04990.1438-0.02650.000629.84181.0919-14.7186
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A210 - 300
2X-RAY DIFFRACTION2A301 - 374
3X-RAY DIFFRACTION3A375 - 448
4X-RAY DIFFRACTION4A449 - 510

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