2B7A

The structural basis of Janus Kinase 2 inhibition by a potent and specific pan-Janus kinase inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1M14PDB ENTRY 1M14

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP629328% PEG 8000, 0.2M ammonium acetate, 0.1M citrate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.1661.03

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 111.273α = 90
b = 111.273β = 90
c = 70.577γ = 90
Symmetry
Space GroupP 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV2004-02-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU3001.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
1210096.80.06515.952.714605353644
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
22.0797.10.552.122.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1M142100214605353644286196.860.21080.208810.24927RANDOM39.233
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
0.980.98-1.96
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.844
r_dihedral_angle_4_deg15.598
r_dihedral_angle_3_deg13.24
r_dihedral_angle_1_deg4.73
r_scangle_it3.144
r_scbond_it1.989
r_mcangle_it1.434
r_angle_refined_deg1.02
r_mcbond_it0.85
r_nbtor_refined0.297
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.844
r_dihedral_angle_4_deg15.598
r_dihedral_angle_3_deg13.24
r_dihedral_angle_1_deg4.73
r_scangle_it3.144
r_scbond_it1.989
r_mcangle_it1.434
r_angle_refined_deg1.02
r_mcbond_it0.85
r_nbtor_refined0.297
r_nbd_refined0.161
r_symmetry_vdw_refined0.118
r_symmetry_hbond_refined0.118
r_xyhbond_nbd_refined0.089
r_chiral_restr0.06
r_bond_refined_d0.006
r_gen_planes_refined0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4762
Nucleic Acid Atoms
Solvent Atoms395
Heterogen Atoms46

Software

Software
Software NamePurpose
REFMACrefinement
SCALEPACKdata scaling
AMoREphasing