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- PDB-3qxo: CDK2 in complex with inhibitor KVR-1-84 -

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Basic information

Entry
Database: PDB / ID: 3qxo
TitleCDK2 in complex with inhibitor KVR-1-84
ComponentsCyclin-dependent kinase 2
KeywordsTRANSFERASE/TRANSFERASE INHIBITOR / protein kinase / inhibitor / TRANSFERASE-TRANSFERASE INHIBITOR complex
Function / homology
Function and homology information


cyclin A1-CDK2 complex / cyclin E2-CDK2 complex / cyclin E1-CDK2 complex / cyclin A2-CDK2 complex / positive regulation of DNA-templated DNA replication initiation / G2 Phase / cyclin-dependent protein kinase activity / Y chromosome / Phosphorylation of proteins involved in G1/S transition by active Cyclin E:Cdk2 complexes / positive regulation of heterochromatin formation ...cyclin A1-CDK2 complex / cyclin E2-CDK2 complex / cyclin E1-CDK2 complex / cyclin A2-CDK2 complex / positive regulation of DNA-templated DNA replication initiation / G2 Phase / cyclin-dependent protein kinase activity / Y chromosome / Phosphorylation of proteins involved in G1/S transition by active Cyclin E:Cdk2 complexes / positive regulation of heterochromatin formation / p53-Dependent G1 DNA Damage Response / X chromosome / PTK6 Regulates Cell Cycle / regulation of anaphase-promoting complex-dependent catabolic process / Defective binding of RB1 mutants to E2F1,(E2F2, E2F3) / centriole replication / Regulation of APC/C activators between G1/S and early anaphase / telomere maintenance in response to DNA damage / centrosome duplication / Telomere Extension By Telomerase / G0 and Early G1 / cellular response to nitric oxide / Activation of the pre-replicative complex / cyclin-dependent kinase / cyclin-dependent protein serine/threonine kinase activity / TP53 Regulates Transcription of Genes Involved in G1 Cell Cycle Arrest / Regulation of MITF-M-dependent genes involved in cell cycle and proliferation / Activation of ATR in response to replication stress / Cyclin E associated events during G1/S transition / Cajal body / Cyclin A/B1/B2 associated events during G2/M transition / cyclin-dependent protein kinase holoenzyme complex / Cyclin A:Cdk2-associated events at S phase entry / condensed chromosome / mitotic G1 DNA damage checkpoint signaling / regulation of G2/M transition of mitotic cell cycle / regulation of mitotic cell cycle / post-translational protein modification / cyclin binding / positive regulation of DNA replication / male germ cell nucleus / meiotic cell cycle / potassium ion transport / DNA Damage/Telomere Stress Induced Senescence / CDK-mediated phosphorylation and removal of Cdc6 / Meiotic recombination / SCF(Skp2)-mediated degradation of p27/p21 / Transcriptional regulation of granulopoiesis / Orc1 removal from chromatin / G1/S transition of mitotic cell cycle / Cyclin D associated events in G1 / G2/M transition of mitotic cell cycle / cellular senescence / Regulation of TP53 Degradation / nuclear envelope / Factors involved in megakaryocyte development and platelet production / Processing of DNA double-strand break ends / Senescence-Associated Secretory Phenotype (SASP) / regulation of gene expression / peptidyl-serine phosphorylation / Regulation of TP53 Activity through Phosphorylation / transcription regulator complex / Ras protein signal transduction / DNA replication / chromosome, telomeric region / endosome / chromatin remodeling / protein phosphorylation / protein domain specific binding / cell division / protein serine kinase activity / DNA repair / protein serine/threonine kinase activity / centrosome / DNA-templated transcription / positive regulation of cell population proliferation / positive regulation of DNA-templated transcription / negative regulation of transcription by RNA polymerase II / magnesium ion binding / signal transduction / nucleoplasm / ATP binding / nucleus / cytosol / cytoplasm
Similarity search - Function
: / 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 ...: / 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
5-nitro-2-[(4-sulfamoylbenzyl)amino]benzamide / Cyclin-dependent kinase 2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.75 Å
AuthorsBetzi, S. / Alam, R. / Han, H. / Becker, A. / Schonbrunn, E.
CitationJournal: To be Published
Title: Structure-guided optimization of novel CDK2 inhibitors discovered by high-throughput screening
Authors: Schonbrunn, E. / Becker, A. / Betzi, S. / Alam, R. / Han, H. / Rawle, F. / Katta, V. / Jakkaraj, J. / Chakrasali, R. / Neelam, S. / Hook, D. / Tash, J. / Georg, G.
History
DepositionMar 2, 2011Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 8, 2012Provider: repository / Type: Initial release
Revision 1.1Sep 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _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: Cyclin-dependent kinase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,1743
Polymers34,7611
Non-polymers4122
Water3,801211
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)53.670, 71.840, 72.400
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Cyclin-dependent kinase 2 / CDK2 / Cell division protein kinase 2 / p33 protein kinase


Mass: 34761.348 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CDK2 / Plasmid: pGEX6P-1 / Production host: Escherichia coli (E. coli) / Strain (production host): TUNER(DE3) / References: UniProt: P24941, cyclin-dependent kinase
#2: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6O2
#3: Chemical ChemComp-X65 / 5-nitro-2-[(4-sulfamoylbenzyl)amino]benzamide


Mass: 350.350 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C14H14N4O5S
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 211 / 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: 2.01 Å3/Da / Density % sol: 38.73 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 5 mg/mL CDK2 protein, 3 mM inhibitor, 15% v/v PEG3350, 50 mM HEPES/NaOH, 50 mM Na/K phosphate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 93 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.54178
DetectorType: RIGAKU SATURN 944+ / Detector: CCD / Date: Jan 28, 2009 / Details: MIRRORS
RadiationMonochromator: MIRRORS / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54178 Å / Relative weight: 1
ReflectionResolution: 1.75→20 Å / Num. all: 28872 / Num. obs: 28872 / % possible obs: 99.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 6.96 % / Biso Wilson estimate: 18.2 Å2 / Rmerge(I) obs: 0.046 / Net I/σ(I): 27.01
Reflection shellResolution: 1.75→1.8 Å / Redundancy: 6.69 % / Rmerge(I) obs: 0.241 / Mean I/σ(I) obs: 9.25 / Num. unique all: 2314 / % possible all: 99.9

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Processing

Software
NameVersionClassification
StructureStudiodata collection
CNS1.2refinement
XDSdata reduction
XDSdata scaling
CNS1.2phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1PW2

1pw2


Resolution: 1.75→18.77 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 1443524.86 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber / Details: BULK SOLVENT MODEL USED
RfactorNum. reflection% reflectionSelection details
Rfree0.233 1097 3.8 %RANDOM
Rwork0.2 ---
all0.2 28869 --
obs0.2 28869 99.8 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 55.6421 Å2 / ksol: 0.4 e/Å3
Displacement parametersBiso mean: 26.6 Å2
Baniso -1Baniso -2Baniso -3
1--0.85 Å20 Å20 Å2
2---2.52 Å20 Å2
3---3.37 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.23 Å0.19 Å
Luzzati d res low-5 Å
Luzzati sigma a0.12 Å0.1 Å
Refinement stepCycle: LAST / Resolution: 1.75→18.77 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2366 0 28 211 2605
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.011
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.5
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d22.8
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d1.06
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.361.5
X-RAY DIFFRACTIONc_mcangle_it2.32
X-RAY DIFFRACTIONc_scbond_it1.822
X-RAY DIFFRACTIONc_scangle_it2.742.5
Refine LS restraints NCSNCS model details: NONE
LS refinement shellResolution: 1.75→1.86 Å / Rfactor Rfree error: 0.022 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.299 179 3.8 %
Rwork0.258 4547 -
obs-4547 99.9 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater.top
X-RAY DIFFRACTION3edo.paredo.top
X-RAY DIFFRACTION4lig.parlig.top

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