Experiment: 4D02

The crystallographic structure of Flavorubredoxin from Escherichia coli

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5		VAPOUR DIFFUSION (HANGING DROP) AT 34C (307 K) USING 1.0UL OF PROTEIN AT14 MG/ML WITH 1 UL OF CRYSTALLIZATION SOLUTION (0.2M NA-CACODYLATE PH 6.5, 0.2 M MGACETATE, 20% PEG8000).

Crystal Properties
Matthews coefficient	Solvent content
2.78	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 149.529	α = 90
b = 149.529	β = 90
c = 94.498	γ = 120

Symmetry
Space Group	P 6 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	PIXEL	DECTRIS PILATUS 6M	LIQUID NITROGEN COOLED CHANNEL-CUT SILICON MONOCHROMATOR AND A CYLINDRICAL GRAZING INCIDENCE MIRROR	2013-02-18	M	SINGLE WAVELENGTH

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

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	1.75	129.5	95.5	0.06	28.4	14.2		60074		1.64	23.03

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	1.75	1.86	75.4		0.93	1.64	5.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	NONE	1.755	129.496	1.25	59089	2902	94.31	0.1407	0.1407	0.156		0.1533	31

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.385
f_angle_d	0.924
f_chiral_restr	0.034
f_bond_d	0.015
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3206
Nucleic Acid Atoms
Solvent Atoms	423
Heterogen Atoms	58

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
SHELXCD	phasing
SHELXE	model building