2HYK

The crystal structure of an endo-beta-1,3-glucanase from alkaliphilic Nocardiopsis sp.strain F96

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	0.1M Tris-HCl pH 8.0, 1.3-1.4M Ammonium sulfate, 1% Ethanol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.82	31.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.589	α = 90
b = 71.843	β = 90.21
c = 39.666	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 315	rhodium-coated mirror	2004-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL41XU	0.9	SPring-8	BL41XU

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	1.3	50	99.3	0.064	14.2	6.2		47558

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	1.3	1.35	95.7		0.35		4.8	4574

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.3	39.65	47531	2405	99.08	0.144	0.144	0.143	0.162	RANDOM	9.249

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]
-0.19		-0.27	-0.55		0.74

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.867
r_dihedral_angle_4_deg	19.269
r_dihedral_angle_3_deg	10.327
r_dihedral_angle_1_deg	7.084
r_sphericity_free	2.909
r_scangle_it	1.804
r_scbond_it	1.337
r_angle_refined_deg	1.25
r_sphericity_bonded	1.154
r_mcangle_it	0.921
r_rigid_bond_restr	0.759
r_mcbond_it	0.627
r_nbtor_refined	0.309
r_nbd_refined	0.184
r_symmetry_vdw_refined	0.133
r_symmetry_hbond_refined	0.119
r_xyhbond_nbd_refined	0.086
r_chiral_restr	0.084
r_metal_ion_refined	0.072
r_bond_refined_d	0.007
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1859
Nucleic Acid Atoms
Solvent Atoms	217
Heterogen Atoms	30

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection