Experiment: 4EHW

Crystal structure of LpxK from Aquifex aeolicus at 2.3 angstrom resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	sitting drop, vapor diffusion	7.5	293	The reservoir solution contained 60% MPD and 0.1 M Hepes pH 7.5. The drop contained ~3-4 mg/ml protein, 36% MPD, 60 mM Hepes pH 7.5, 10 mM Hepes pH 8.0, 0.3 M NaCl, 8% glycerol, 0.8 mM DTT, and ~0.1% DDM, sitting drop, vapor diffusion, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
4.58	73.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.191	α = 90
b = 101.191	β = 90
c = 131.904	γ = 90

Symmetry
Space Group	P 41 21 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	IMAGE PLATE	RIGAKU RAXIS IV++		2010-10-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54

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	2.3	48.57	99.8	0.077	13.8	12.27	31121	31074	2	2

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	2.3	2.38	100		0.509	2.8	10.83	3054

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	2.3	25.873	31074	29334	2948	94.42	0.2316	0.228	0.2632	0.2637	RANDOM	69.6289

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]
2.9015			2.9015		-5.803

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.001
f_angle_d	1.095
f_chiral_restr	0.075
f_bond_d	0.007
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2527
Nucleic Acid Atoms
Solvent Atoms	89
Heterogen Atoms	68

Software

Software
Software Name	Purpose
d*TREK	data reduction
PHENIX	refinement
PDB_EXTRACT	data extraction
StructureStudio	data collection
d*TREK	data scaling
SOLVE	phasing