2BCJ

Crystal Structure of G Protein-Coupled Receptor Kinase 2 in Complex with Galpha-q and Gbetagamma Subunits


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1OMWPDB ENTRY 1OMW, homology model of Galphaq

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.52779% PEG8000, 1M NaCl, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.2261.81

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.918α = 90
b = 129.954β = 95.81
c = 122.764γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42005-04-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.116ALS8.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
13.0646.781000.13313.555.73783637836-275
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.063.2199.90.8491.13738

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1OMW, homology model of Galphaq3.06146.783831437811190098.780.2360.2360.2430.292Random99.74
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]
-0.58-0.365.78-5.27
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.926
r_dihedral_angle_4_deg15.389
r_dihedral_angle_3_deg14.653
r_dihedral_angle_1_deg5.544
r_scangle_it1.416
r_scbond_it0.975
r_angle_refined_deg0.917
r_mcangle_it0.817
r_mcbond_it0.71
r_angle_other_deg0.681
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.926
r_dihedral_angle_4_deg15.389
r_dihedral_angle_3_deg14.653
r_dihedral_angle_1_deg5.544
r_scangle_it1.416
r_scbond_it0.975
r_angle_refined_deg0.917
r_mcangle_it0.817
r_mcbond_it0.71
r_angle_other_deg0.681
r_nbd_refined0.186
r_symmetry_hbond_refined0.174
r_nbtor_refined0.172
r_nbd_other0.155
r_xyhbond_nbd_refined0.132
r_symmetry_vdw_other0.126
r_symmetry_vdw_refined0.106
r_nbtor_other0.078
r_metal_ion_refined0.071
r_chiral_restr0.053
r_mcbond_other0.035
r_bond_refined_d0.006
r_gen_planes_refined0.002
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10839
Nucleic Acid Atoms
Solvent Atoms5
Heterogen Atoms34

Software

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