4QCE

Crystal structure of recombinant alkali thermostable GH10 xylanase from Bacillus sp. NG-27

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	0.1M naCl, 0.12M MgCl2, 0.05M Tris HCl pH 8.5, 15% PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.77	α = 90
b = 75.65	β = 90
c = 176.91	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	100	IMAGE PLATE	MAR scanner 345 mm plate			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.32	88.475	99.7	0.133	6.6	4.6	33124	33124

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.32	2.46	100		0.536	0.536	0.308	1.4	4.7	4757

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.32	27.68	30910	1562	94.55	0.1813	0.1788	0.2269	RANDOM	21.554

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]
1.49			-0.07		-1.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.52
r_dihedral_angle_4_deg	15.144
r_dihedral_angle_3_deg	12.898
r_dihedral_angle_1_deg	5.645
r_angle_refined_deg	1.123
r_angle_other_deg	0.759
r_mcangle_it	0.707
r_mcbond_it	0.391
r_mcbond_other	0.391
r_chiral_restr	0.064

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.52
r_dihedral_angle_4_deg	15.144
r_dihedral_angle_3_deg	12.898
r_dihedral_angle_1_deg	5.645
r_angle_refined_deg	1.123
r_angle_other_deg	0.759
r_mcangle_it	0.707
r_mcbond_it	0.391
r_mcbond_other	0.391
r_chiral_restr	0.064
r_bond_refined_d	0.007
r_bond_other_d	0.005
r_gen_planes_refined	0.004
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5790
Nucleic Acid Atoms
Solvent Atoms	419
Heterogen Atoms	4

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
MOSFLM	data reduction
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.