2I7H

Crystal Structure of the Nitroreductase-like Family Protein from Bacillus cereus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	295	0.1M Tris-HCl pH 8.0, 0.2M Ammonium sulfate, 25% PEG3350, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.2	61.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 242.719	α = 90
b = 87.217	β = 103.03
c = 81.189	γ = 90

Symmetry
Space Group	C 1 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	CCD	SBC-3	mirrors	2004-08-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97924	APS	19-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	40.91	99.9	0.119	5.9	7.2	74322	74322

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.38	99.7		0.561	2.66	6	7348

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	SAD	THROUGHOUT	2.3	40.91	66017	66017	7399	99.9	0.17581	0.17581	0.17168	0.21254	RANDOM	44.684

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]
1.81		0.34	0.97		-2.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.543
r_dihedral_angle_3_deg	20.103
r_dihedral_angle_4_deg	18.982
r_dihedral_angle_1_deg	6.403
r_scangle_it	3.685
r_scbond_it	2.347
r_angle_refined_deg	1.502
r_mcangle_it	1.219
r_mcbond_it	0.747
r_nbtor_refined	0.304
r_symmetry_hbond_refined	0.228
r_nbd_refined	0.224
r_xyhbond_nbd_refined	0.202
r_symmetry_vdw_refined	0.194
r_chiral_restr	0.106
r_bond_refined_d	0.015
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_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	9015
Nucleic Acid Atoms
Solvent Atoms	898
Heterogen Atoms	159

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing
SHARP	phasing
SHELXD	phasing
SHELXE	model building
MLPHARE	phasing
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building
Coot	model building