7ZNR

Inactive D62N mutant of BT1760 Endo-acting levanase from Bacteroides thetaiotaomicron VPI-5482

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293.15	1.5 M lithium sulfate, 100 mM Hepes pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
3.47	64.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 174.72	α = 90
b = 174.72	β = 90
c = 215.59	γ = 90

Symmetry
Space Group	I 41 2 2

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	ADSC QUANTUM 315		2009-09-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.97630	Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2.65	67.87	99.9	0.997	12.1	16.3		48504

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.65	2.74			0.911	0.708		15.2

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	Mean Isotropic B
X-RAY DIFFRACTION	SAD	FREE R-VALUE	2.65	67.87	48484	2381	99.916	0.194	0.1914	0.246	59.916

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]
3.516			3.516		-7.032

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.922
r_dihedral_angle_6_deg	15.413
r_lrange_it	10.92
r_lrange_other	10.92
r_dihedral_angle_2_deg	9.792
r_scangle_it	9.664
r_scangle_other	9.239
r_dihedral_angle_1_deg	8.202
r_mcangle_it	7.828
r_mcangle_other	7.828
r_scbond_it	7.123
r_scbond_other	6.855
r_mcbond_it	5.77
r_mcbond_other	5.769
r_angle_refined_deg	1.991
r_angle_other_deg	0.588
r_symmetry_nbd_refined	0.349
r_symmetry_nbd_other	0.198
r_nbd_refined	0.195
r_nbtor_refined	0.185
r_xyhbond_nbd_refined	0.171
r_symmetry_xyhbond_nbd_refined	0.17
r_nbd_other	0.147
r_symmetry_nbtor_other	0.093
r_ncsr_local_group_1	0.087
r_chiral_restr	0.078
r_symmetry_xyhbond_nbd_other	0.027
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7800
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms	284

Software

Software
Software Name	Purpose
REFMAC	refinement
REFMAC	refinement
xia2	data reduction
XDS	data reduction
Aimless	data scaling
CRANK2	phasing
Coot	model building
MolProbity	model building