1U9T

Crystal Structure Analysis of ChuS, an E. coli Heme Oxygenase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	PEG 3500, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
1.79	30.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.684	α = 90
b = 57.88	β = 96.02
c = 59.578	γ = 90

Symmetry
Space Group	P 1 21 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	CCD	ADSC QUANTUM 210		2003-03-30	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	SBC-3		2003-11-17	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-BM	0.979499	APS	17-BM
2	SYNCHROTRON	APS BEAMLINE 17-BM	0.98043455, 0.98043455, 0.9642276	APS	17-BM

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	50	100			14606	14606	2	2	12.4

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	2.16	41.46	12462	14185	846	92.5	0.207	0.207	0.283	RANDOM	36.2

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]
10.84		-4.2	-3.53		-7.32

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.5
c_scangle_it	8.3
c_scbond_it	6.6
c_mcangle_it	5.93
c_mcbond_it	4.4
c_angle_deg	1.4
c_improper_angle_d	0.72
c_bond_d	0.009
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	2574
Nucleic Acid Atoms
Solvent Atoms	336
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
SCALEPACK	data scaling
SOLVE	phasing
CNS	refinement