Experiment: 1R1D

Structure of a Carboxylesterase from Bacillus stearothermophilus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	294	ammonium sulfate, PEG 3350, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.14	60.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.922	α = 90
b = 81.683	β = 90
c = 130.582	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	150	CCD	CUSTOM-MADE	SBC2	2003-07-02	M	SAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97923	APS	19-ID

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	1.9	27.28	94.9			53056	47271			20.5

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2	27.28	49807	47271	2362	94.9	0.208	0.208	0.205	0.2118	0.245	0.2487	random	37.58

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]
20.81			-14.13		-6.68

RMS Deviations
Key	Refinement Restraint Deviation
x_torsion_deg	22.7
x_angle_deg	1.3
x_torsion_impr_deg	0.94
x_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3953
Nucleic Acid Atoms
Solvent Atoms	658
Heterogen Atoms	30

Software

Software
Software Name	Purpose
CNS	refinement
d*TREK	data reduction
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing
autoSHARP	phasing