3C7E

Crystal structure of a glycoside hydrolase family 43 arabinoxylan arabinofuranohydrolase from Bacillus subtilis.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	277	4.0 M Na formate, 30% sucrose, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.71	α = 90
b = 74.43	β = 90
c = 106.99	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	PIXEL	PILATUS 6M		2007-07-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.9785	SLS	X10SA

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	2	30	96.4	0.102	10.2	14.1	4.4		35773

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)
	2	2.11	93.2		0.333	33.3	3.9	4.2	4966

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	2	28.61	33849	1884	95.97	0.16994	0.16755	0.21333	RANDOM	16.75

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]
0.25			-1.23		0.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.138
r_dihedral_angle_4_deg	18.202
r_dihedral_angle_3_deg	12.757
r_dihedral_angle_1_deg	6.852
r_scangle_it	2.873
r_scbond_it	1.984
r_angle_refined_deg	1.498
r_mcangle_it	1.404
r_mcbond_it	0.832
r_nbtor_refined	0.305

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.138
r_dihedral_angle_4_deg	18.202
r_dihedral_angle_3_deg	12.757
r_dihedral_angle_1_deg	6.852
r_scangle_it	2.873
r_scbond_it	1.984
r_angle_refined_deg	1.498
r_mcangle_it	1.404
r_mcbond_it	0.832
r_nbtor_refined	0.305
r_symmetry_vdw_refined	0.214
r_nbd_refined	0.208
r_symmetry_hbond_refined	0.2
r_xyhbond_nbd_refined	0.162
r_metal_ion_refined	0.139
r_chiral_restr	0.113
r_bond_refined_d	0.016
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3671
Nucleic Acid Atoms
Solvent Atoms	323
Heterogen Atoms	3

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
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.