2G3J

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, SITTING DROP	8.5	294	2.1M ammonium dehydrogen phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.51	64.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.953	α = 90
b = 119.953	β = 90
c = 55.216	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
2	1	x-ray		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	2.7	30	97.3	0.113	12.5	2.9		12287

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	2.7	2.85	98		0.347	4.8	2.9

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 (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	2.7	20	12077	1220	95.67	0.169	0.163	0.223	RANDOM	15.907

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]
0.81	0.4		0.81		-1.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.189
r_dihedral_angle_4_deg	20.315
r_dihedral_angle_3_deg	14.629
r_dihedral_angle_1_deg	7.305
r_scangle_it	2.095
r_angle_refined_deg	1.491
r_scbond_it	1.31
r_angle_other_deg	0.871
r_mcangle_it	0.771
r_mcbond_it	0.618
r_nbd_refined	0.218
r_symmetry_vdw_refined	0.21
r_symmetry_vdw_other	0.21
r_nbd_other	0.182
r_xyhbond_nbd_refined	0.162
r_symmetry_hbond_refined	0.124
r_mcbond_other	0.098
r_nbtor_other	0.085
r_chiral_restr	0.081
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2301
Nucleic Acid Atoms
Solvent Atoms	76
Heterogen Atoms	68

Software

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