2VDT

Crystallographic structure of Levansucrase from Bacillus subtilis mutant S164A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICRODIALYSIS	7		CRYSTALS WERE OBTAINED AFTER 12 DAYS OF MICRODIALYSIS OF THE PURIFIED PROTEIN (8 G/L) AGAINST DEIONIZED WATER., pH 7

Crystal Properties
Matthews coefficient	Solvent content
1.86	31.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.88	α = 90
b = 55.8	β = 90
c = 124.6	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	IMAGE PLATE	RIGAKU-MSC	YALE MIRRORS	2007-03-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200H

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	3.2	39.41	91.7	0.14	9	2.7		5627			70.72

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.2	3.37	94.9		0.44	1.8	2.6

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 ENTRY 1OYG	3.2	39.41	5605	287	89.7	0.2645	0.2645	0.297	RANDOM	62.1

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]
0.541			-2.108		1.567

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	28.3
c_scangle_it	7.29
c_scbond_it	5.69
c_mcangle_it	3.91
c_angle_deg	2.9
c_mcbond_it	2.46
c_improper_angle_d	1.77
c_bond_d	0.017
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3484
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	1

Software

Software
Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing