4CGY

Crystal structure of the human topoisomerase III alpha-RMI1 complex


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1ECLPDB ENTRIES 1ECL AND 3NBI
experimental modelPDB 3NBIPDB ENTRIES 1ECL AND 3NBI

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
178-12% (W/V) PEG 2000, 100 MM TRIS-HCL PH 7.0, 200 MM MGCL2
Crystal Properties
Matthews coefficientSolvent content
5.477

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 94.01α = 90
b = 94.01β = 90
c = 381.69γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray10PIXELDECTRIS PILATUS 6MDYNAMICALLY BENDABLE MIRROR2010-09-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SASLSX10SA

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
12.8562.781000.1516.710041328-393.75
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.852.971002.214.7

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 ENTRIES 1ECL AND 3NBI2.8565.4941229207599.960.19890.19730.231RANDOM80.28
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]
-8.6474-8.647417.2947
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion3.05
t_omega_torsion2.69
t_angle_deg1.04
t_bond_d0.009
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_torsion3.05
t_omega_torsion2.69
t_angle_deg1.04
t_bond_d0.009
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 Atoms6557
Nucleic Acid Atoms
Solvent Atoms44
Heterogen Atoms1

Software

Software
Software NamePurpose
BUSTERrefinement
XDSdata reduction
XDSdata scaling
PHASERphasing