1R71

Crystal Structure of the DNA binding domain of KorB in complex with the operator DNA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.6	293.15	25% MPD, 0.4M ammonium dihydrogen phosphate, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.44	α = 90
b = 110.44	β = 90
c = 160.53	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH	mirrors	2003-01-16	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.2	0.92022, 0.92039, 0.89844	BESSY	14.2

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	2.2	30		0.077	14.91	6.6	57947	57669

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.2	2.24	92.7

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.2	30	57947	54758	2911	99.51	0.19759	0.19481	0.25028	RANDOM	41.497

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]
-1.47	-0.73		-1.47		2.2

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	4.974
r_dihedral_angle_1_deg	4.803
r_scbond_it	3.731
r_mcangle_it	3.25
r_angle_refined_deg	2.012
r_mcbond_it	1.8
r_angle_other_deg	0.949
r_symmetry_vdw_refined	0.261
r_nbd_other	0.244
r_nbd_refined	0.238
r_symmetry_vdw_other	0.198
r_xyhbond_nbd_refined	0.172
r_chiral_restr	0.108
r_nbtor_other	0.091
r_symmetry_hbond_refined	0.053
r_bond_refined_d	0.015
r_gen_planes_refined	0.013
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_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	3658
Nucleic Acid Atoms	2764
Solvent Atoms	347
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
XDS	data scaling
SOLVE	phasing
RESOLVE	phasing