5XC0

Crystal structure of an aromatic mutant (W6A) of an 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		293	0.1M NaCl, 0.16M MgCl2, 0.05M Tris HCl pH 8.5, 20% PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.229	α = 90
b = 67.39	β = 90
c = 177.76	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		2016-04-06	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 Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	27.96	97.7	0.14	0.155	0.065	0.989	9.2	5.3		27367

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.32	2.4	93		0.452	0.499	0.207	0.775		5.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	2F8Q	2.32	27.96	25944	1358	97.47	0.204	0.2018	0.2476	RANDOM	26.165

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]
0.27			-0.88		0.61

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.907
r_dihedral_angle_4_deg	14.023
r_dihedral_angle_3_deg	13.621
r_dihedral_angle_1_deg	6.277
r_angle_other_deg	2.038
r_angle_refined_deg	1.398
r_chiral_restr	0.084
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_gen_planes_other	0.004

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.907
r_dihedral_angle_4_deg	14.023
r_dihedral_angle_3_deg	13.621
r_dihedral_angle_1_deg	6.277
r_angle_other_deg	2.038
r_angle_refined_deg	1.398
r_chiral_restr	0.084
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_gen_planes_other	0.004
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5710
Nucleic Acid Atoms
Solvent Atoms	209
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
SCALA	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.