3B1Z

Crystal structure of an S. thermophilus NFeoB T35S mutant without nucleotide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	0.1M HEPES, 2%(v/v) PEG 400, 2M (NH4)2SO4, pH 7.5, vapor diffusion, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.88	34.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.4	α = 90
b = 59.9	β = 90
c = 85.3	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	CCD	ADSC QUANTUM 210		2011-02-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.95370	Australian Synchrotron	MX1

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	2.65	50	99.8	0.119	16.3	6.8	7047	7047

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	2.65	2.7	98.6		0.648	2.1	4.9	343

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	3LX8	2.65	49	6959	6959	685	98.96	0.2258	0.2192	0.2841	RANDOM	48.3688

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]
-2.68			0.78		1.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.137
r_dihedral_angle_3_deg	13.976
r_dihedral_angle_4_deg	11.621
r_dihedral_angle_1_deg	3.762
r_mcangle_it	2.502
r_scangle_it	2.034
r_mcbond_it	1.497
r_angle_refined_deg	1.389
r_scbond_it	1.356
r_chiral_restr	0.06
r_bond_refined_d	0.01
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1907
Nucleic Acid Atoms
Solvent Atoms	9
Heterogen Atoms	5

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
HKL-2000	data reduction
PHASER	phasing