2G3I

Structure of S.olivaceoviridis xylanase Q88A/R275A mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	294	2.1M ammonium dehydrogen phosphate, 0.1M Tris pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.4	63.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.317	α = 90
b = 119.317	β = 90
c = 54.355	γ = 120

Symmetry
Space Group	P 63

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	MARRESEARCH		2003-04-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.999	ESRF	ID29

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	2.1	30	99.5	0.179	13.3	8.4		25881

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.2	99.1		0.511	4.2	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	FOURIER SYNTHESIS	THROUGHOUT	same protein in different crystal form	2.1	19.88	25843	2611	99.54	0.156	0.155	0.192	RANDOM	12.607

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]
0.67	0.33		0.67		-1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.135
r_dihedral_angle_4_deg	23.08
r_dihedral_angle_3_deg	13.328
r_dihedral_angle_1_deg	6.705
r_scangle_it	2.643
r_scbond_it	1.79
r_angle_refined_deg	1.338
r_mcangle_it	1.09
r_mcbond_it	0.911
r_angle_other_deg	0.875
r_symmetry_vdw_other	0.257
r_nbd_refined	0.213
r_mcbond_other	0.185
r_nbd_other	0.183
r_xyhbond_nbd_refined	0.145
r_symmetry_hbond_refined	0.139
r_symmetry_vdw_refined	0.115
r_chiral_restr	0.085
r_nbtor_other	0.084
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2309
Nucleic Acid Atoms
Solvent Atoms	233
Heterogen Atoms	35

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling