3FJQ

Crystal structure of cAMP-dependent protein kinase catalytic subunit alpha in complex with peptide inhibitor PKI alpha (6-25)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5278Protein solution: 10mM MOPS buffer pH 7.0, 50 mM NaCl, 3mM MnCl2, 0.2 mM ATP. Well solution: 0.5 M (NH4)2SO4, 0.1 M HEPES, 10 % MPD, VAPOR DIFFUSION, HANGING DROP, temperature 278K
Crystal Properties
Matthews coefficientSolvent content
2.6453.35

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.517α = 90
b = 80.548β = 90
c = 97.622γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.11.00000ALS8.2.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.65099.49602162
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.61.64296.544022

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.65060216304099.490.1790.1770.205RANDOM21.314
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]
-0.270.58-0.32
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.955
r_dihedral_angle_4_deg15.748
r_dihedral_angle_3_deg11.761
r_dihedral_angle_1_deg5.073
r_sphericity_free2.632
r_scangle_it1.786
r_scbond_it1.249
r_angle_refined_deg1.128
r_angle_other_deg0.916
r_sphericity_bonded0.805
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.955
r_dihedral_angle_4_deg15.748
r_dihedral_angle_3_deg11.761
r_dihedral_angle_1_deg5.073
r_sphericity_free2.632
r_scangle_it1.786
r_scbond_it1.249
r_angle_refined_deg1.128
r_angle_other_deg0.916
r_sphericity_bonded0.805
r_mcangle_it0.733
r_mcbond_it0.652
r_rigid_bond_restr0.63
r_nbd_refined0.228
r_nbd_other0.193
r_nbtor_refined0.183
r_symmetry_vdw_other0.175
r_mcbond_other0.164
r_xyhbond_nbd_refined0.113
r_symmetry_hbond_refined0.103
r_symmetry_vdw_refined0.099
r_nbtor_other0.078
r_chiral_restr0.065
r_bond_refined_d0.007
r_gen_planes_refined0.003
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2869
Nucleic Acid Atoms
Solvent Atoms394
Heterogen Atoms33

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection