3C7F

Crystal structure of a glycoside hydrolase family 43 arabinoxylan arabinofuranohydrolase from bacillus subtilis in complex with xylotriose.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	277	4.0 M Na formate, 1.0 M lithium chloride, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.627	α = 90
b = 73.662	β = 90
c = 106.368	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	CCD	MAR CCD 165 mm		2007-03-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7A	1.0788	EMBL/DESY, HAMBURG	BW7A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.55	50	98.1	0.083	8.3	14	3.4		76939

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.55	1.58	99.9		0.322	32.2	3.9	3.1	3868

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	pdb entries 1w9t, 1gyh	1.55	50	73012	3871	97.85	0.16502	0.16367	0.19007	RANDOM	16.305

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]
0.56			-0.22		-0.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.707
r_dihedral_angle_4_deg	14.048
r_dihedral_angle_3_deg	10.53
r_dihedral_angle_1_deg	6.459
r_scangle_it	2.333
r_scbond_it	1.577
r_angle_refined_deg	1.218
r_mcangle_it	1.093
r_mcbond_it	0.631
r_nbtor_refined	0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.707
r_dihedral_angle_4_deg	14.048
r_dihedral_angle_3_deg	10.53
r_dihedral_angle_1_deg	6.459
r_scangle_it	2.333
r_scbond_it	1.577
r_angle_refined_deg	1.218
r_mcangle_it	1.093
r_mcbond_it	0.631
r_nbtor_refined	0.31
r_symmetry_vdw_refined	0.263
r_nbd_refined	0.206
r_symmetry_hbond_refined	0.179
r_metal_ion_refined	0.154
r_xyhbond_nbd_refined	0.143
r_chiral_restr	0.088
r_bond_refined_d	0.009
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3658
Nucleic Acid Atoms
Solvent Atoms	579
Heterogen Atoms	76

Software

Software
Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
SCALA	data scaling
MrBUMP	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.