2B46

Crystal structure of an engineered uninhibited Bacillus subtilis xylanase in substrate bound state

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5		20 % (w/v) polyethylene glycol 8000, 0.1 M HEPES buffer, pH 7.5, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.47	49.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.653	α = 90
b = 60.653	β = 90
c = 95.513	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	MARRESEARCH	bent mirror	2004-03-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13	0.8000	EMBL/DESY, HAMBURG	X13

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	2.215	52.7	89.8			9850	8893	1.41	0.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.215	2.3	90.1

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.215	52.7	8903	8903	968	99.19	0.17157	0.17157	0.16867	0.19839	RANDOM	20.436

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]
-0.77	-0.39		-0.77		1.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.584
r_scangle_it	2.752
r_scbond_it	1.804
r_angle_refined_deg	1.488
r_mcangle_it	1.075
r_angle_other_deg	0.782
r_mcbond_it	0.561
r_xyhbond_nbd_refined	0.381
r_nbd_refined	0.317
r_nbd_other	0.264
r_symmetry_vdw_other	0.237
r_symmetry_hbond_refined	0.185
r_symmetry_vdw_refined	0.153
r_nbtor_other	0.09
r_chiral_restr	0.085
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1447
Nucleic Acid Atoms
Solvent Atoms	75
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
CNS	refinement
MOSFLM	data reduction
CCP4	data scaling
CNS	phasing