2HKJ

Topoisomerase VI-B bound to radicicol

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	7.5	292	HEPES, Mg(HCO2)2, PEG 3350, NaCl, MgCl2, pH 7.5, microbatch, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.879	α = 90
b = 111.398	β = 90
c = 54.888	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	80	CCD	ADSC QUANTUM 210		2005-05-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.1157	ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2	50	99	0.064	10.5	3.7	39306	39306	1	1	22.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.11	94.6		0.322	2.2	2.7	5384

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1MU5	2	30	1	35959	35959	3236	98.82	0.17025	0.16674	0.20877	RANDOM	25.574

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]
-0.89			-0.6		1.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.294
r_dihedral_angle_4_deg	21.96
r_dihedral_angle_3_deg	14.177
r_dihedral_angle_1_deg	6.542
r_scangle_it	4.715
r_scbond_it	3.062
r_mcangle_it	1.585
r_angle_refined_deg	1.41
r_mcbond_it	1.172
r_symmetry_hbond_refined	0.451
r_nbtor_refined	0.312
r_symmetry_vdw_refined	0.292
r_nbd_refined	0.214
r_xyhbond_nbd_refined	0.147
r_chiral_restr	0.107
r_bond_refined_d	0.015
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3704
Nucleic Acid Atoms
Solvent Atoms	355
Heterogen Atoms	30

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
PHASER	phasing