2V95

Structure of Corticosteroid-Binding Globulin in complex with Cortisol


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1QLPPDB ENTRY 1QLP

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.51 MICROLITER OF 15 MG/ML RECOMBINANT RAT CBG AND 1 MICROLITER OF RESERVOIR SOLUTION (30% (W/V) PEG 4000, 300 MM LI2SO4, 100 MM TRIS-HCL, PH 8.5) AGAINST 700 MICROLITER OF RESERVOIR SOLUTION
Crystal Properties
Matthews coefficientSolvent content
2.3748

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 122.11α = 90
b = 54.25β = 97.16
c = 61.04γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMIRRORMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.1BESSY14.1

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
11.934096.90.0715.34.7290973
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)
11.932.06960.6534.73

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB ENTRY 1QLP1.9337.422677023281000.2140.210.264RANDOM31.44
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]
-1.35-1.143.6-2.54
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.071
r_dihedral_angle_3_deg16.254
r_dihedral_angle_4_deg15.47
r_dihedral_angle_1_deg6.926
r_scangle_it2.085
r_scbond_it1.65
r_angle_refined_deg1.478
r_mcangle_it0.971
r_angle_other_deg0.886
r_mcbond_it0.807
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.071
r_dihedral_angle_3_deg16.254
r_dihedral_angle_4_deg15.47
r_dihedral_angle_1_deg6.926
r_scangle_it2.085
r_scbond_it1.65
r_angle_refined_deg1.478
r_mcangle_it0.971
r_angle_other_deg0.886
r_mcbond_it0.807
r_symmetry_vdw_refined0.324
r_symmetry_hbond_refined0.282
r_symmetry_vdw_other0.206
r_nbd_refined0.204
r_xyhbond_nbd_refined0.189
r_nbd_other0.184
r_nbtor_refined0.184
r_nbtor_other0.089
r_chiral_restr0.084
r_bond_refined_d0.013
r_gen_planes_refined0.005
r_bond_other_d0.002
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_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2738
Nucleic Acid Atoms
Solvent Atoms174
Heterogen Atoms26

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
AMoREphasing