2H1I

Crystal Structure of the Bacillus cereus Carboxylesterase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	295	0.2M Calcium Chloride, 0.25M Sodium Chloride,0.1M HEPES, 14% v/v PEG 400, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.98	58.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.607	α = 90
b = 99.607	β = 90
c = 160.234	γ = 120

Symmetry
Space Group	P 61

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	2005-07-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97874	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	2.8	30	95.4	0.139	17.87	10.2	21218	21218		-3

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	2.8	2.9	72.4		0.416	4.19	7.6	1608

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	SAD	THROUGHOUT	2.8	30	20089	1094	95.37	0.17034	0.1671	0.22977	RANDOM	35.535

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]
1.09	0.55		1.09		-1.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.742
r_dihedral_angle_3_deg	16.547
r_dihedral_angle_4_deg	14.425
r_dihedral_angle_1_deg	5.835
r_scangle_it	3.522
r_scbond_it	2.219
r_mcangle_it	1.546
r_angle_refined_deg	1.196
r_mcbond_it	1.116
r_nbtor_refined	0.329
r_nbd_refined	0.236
r_xyhbond_nbd_refined	0.215
r_symmetry_hbond_refined	0.213
r_symmetry_metal_ion_refined	0.211
r_symmetry_vdw_refined	0.197
r_metal_ion_refined	0.137
r_chiral_restr	0.077
r_bond_refined_d	0.01
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4856
Nucleic Acid Atoms
Solvent Atoms	193
Heterogen Atoms	12

Software

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