1MX0

Structure of topoisomerase subunit

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	5.5	298	PEG 3000, Sodium Citrate, Magnesium Chloride, AMP-PNP, pH 5.5, Microbatch, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.66	53.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 146.655	α = 90
b = 219.192	β = 90
c = 106.921	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	100	CCD	ADSC QUANTUM 4		2001-01-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.1	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	2.3	20	98.1	0.111	10		153022	150115	4.1	4.1

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	2.3	2.38	88.7		0.413	2.24		13432

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.3	20	150115	137434	12535	98.1	0.21854	0.21854	0.21447	0.26327	RANDOM	25.95

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]
0.31			0.55		-0.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	18.603
r_dihedral_angle_1_deg	4.249
r_scangle_it	3.849
r_scbond_it	2.317
r_angle_refined_deg	1.424
r_mcangle_it	1.397
r_mcbond_it	0.735
r_symmetry_vdw_refined	0.291
r_nbd_refined	0.272
r_symmetry_hbond_refined	0.272
r_xyhbond_nbd_refined	0.169
r_chiral_restr	0.105
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	22053
Nucleic Acid Atoms
Solvent Atoms	811
Heterogen Atoms	193

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
REFMAC	refinement