1ZVU

Structure of the full-length E. coli ParC subunit

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AB4	PDB ID 1AB4 (E. coli GyrA NTD), related entry 1ZVT (E. coli ParC CTD)
experimental model	PDB	1ZVT	PDB ID 1AB4 (E. coli GyrA NTD), related entry 1ZVT (E. coli ParC CTD)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	HEPES, NaCl, glycerol, PEG-6000, 1,3-butanediol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.41	64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 257.99	α = 90
b = 62.141	β = 90
c = 63.998	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 210		2004-08-26	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	3	20	89.7	0.134	9.5	3.4	19320	19320	1	1	37.4

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	3	3.11	89.1		0.387	2.5	3.3	1890

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ID 1AB4 (E. coli GyrA NTD), related entry 1ZVT (E. coli ParC CTD)	3	20	1	18167	18167	992	89.61	0.24323	0.24323	0.24036	0.29583	RANDOM	40.027

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]
0.99			2.51		-3.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.83
r_dihedral_angle_4_deg	19.388
r_dihedral_angle_3_deg	17.714
r_dihedral_angle_1_deg	4.978
r_scangle_it	1.268
r_angle_refined_deg	1.087
r_scbond_it	0.719
r_mcangle_it	0.68
r_mcbond_it	0.386
r_nbtor_refined	0.303
r_symmetry_vdw_refined	0.224
r_nbd_refined	0.212
r_symmetry_hbond_refined	0.151
r_xyhbond_nbd_refined	0.145
r_chiral_restr	0.069
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
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	5367
Nucleic Acid Atoms
Solvent Atoms	35
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing