1Z91

x-ray crystal structure of apo-OhrRC15S in reduced form: MarR family protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	298	30 to 33 % PEG 1450, 0.1 M ammonium acetate (or sodium acetate), and 0.1M sodium acetate, pH 4.5., VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.74	26.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.355	α = 90
b = 55.355	β = 90
c = 77.242	γ = 90

Symmetry
Space Group	P 41 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		2003-07-01	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 210		2003-09-30	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.9794	ALS	8.2.1
2	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.9794, 0.9184, 0.9796	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.5	45.175				7251	4532	2	2	25.6

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	2.5	45	4491	4484	482	99.6	0.223	0.223	0.305	RANDOM	36.6

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]
-3.5			-3.5		7.01

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.4
c_scangle_it	7.39
c_scbond_it	5.4
c_mcangle_it	4.93
c_mcbond_it	3.43
c_angle_deg	1.2
c_improper_angle_d	0.78
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1101
Nucleic Acid Atoms
Solvent Atoms	36
Heterogen Atoms

Software

Software
Software Name	Purpose
SCALA	data scaling
SOLVE	phasing
CNS	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling