2QCS

A complex structure between the Catalytic and Regulatory subunit of Protein Kinase A that represents the inhibited state


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1U7EPDB ENTRY 1U7E

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.52982.0M(NH4)2SO4, 0.1M Citrate, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
4.3971.95

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 125.809α = 90
b = 125.809β = 90
c = 140.941γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-02-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID1.00APS19-ID

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
12.25094.50.08619.46.56226322

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 1U7E2.2506226259282316094.90.1940.1920.225RANDOM31.49
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]
0.880.440.88-1.32
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.645
r_dihedral_angle_3_deg16.235
r_dihedral_angle_4_deg15.281
r_dihedral_angle_1_deg6.515
r_scangle_it2.259
r_scbond_it1.576
r_angle_refined_deg1.439
r_mcangle_it1.052
r_angle_other_deg0.945
r_mcbond_it0.708
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.645
r_dihedral_angle_3_deg16.235
r_dihedral_angle_4_deg15.281
r_dihedral_angle_1_deg6.515
r_scangle_it2.259
r_scbond_it1.576
r_angle_refined_deg1.439
r_mcangle_it1.052
r_angle_other_deg0.945
r_mcbond_it0.708
r_symmetry_vdw_other0.283
r_symmetry_hbond_refined0.201
r_nbd_refined0.194
r_nbd_other0.194
r_symmetry_vdw_refined0.191
r_nbtor_refined0.176
r_xyhbond_nbd_refined0.161
r_mcbond_other0.142
r_nbtor_other0.088
r_chiral_restr0.086
r_bond_refined_d0.013
r_gen_planes_refined0.005
r_bond_other_d0.001
r_gen_planes_other0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5059
Nucleic Acid Atoms
Solvent Atoms289
Heterogen Atoms96

Software

Software
Software NamePurpose
HKL-2000data collection
PHASESphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling