5AQH

Fragment-based screening of HSP70 sheds light on the functional role of ATP-binding site residues


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1HX1PDB ENTRY 1HX1

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.516-26% (W/V) PEG3350, 0.1 M K-NA TARTRATE, 0.1 M TRIS.HCL PH 8.5 AND 25% (V/V) GLYCEROL
Crystal Properties
Matthews coefficientSolvent content
2.550.76

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 115.31α = 90
b = 40.84β = 113.72
c = 129.6γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 300K2012-03-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-X

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
1242.321000.169.79.73792822.19
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)
122.051001.21.24.8

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 1HX1228.5437910189499.970.18630.18410.2277RANDOM36.91
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]
-6.6245-1.4725.31841.3061
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion17.16
t_omega_torsion2.73
t_angle_deg1.07
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion17.16
t_omega_torsion2.73
t_angle_deg1.07
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3734
Nucleic Acid Atoms
Solvent Atoms216
Heterogen Atoms60

Software

Software
Software NamePurpose
BUSTERrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing