3FI8

Crystal structure of choline kinase from Plasmodium Falciparum, PF14_0020

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	20% Peg 8000, 0.2 M NaCl, 0.1 M Hepes pH 7.5, 5% MPD, 2 mM Phosphoethanolamine, 2 mM ADP, 2 mM TCEP, 4 mM MgCl2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2	38.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.38	α = 90
b = 64.556	β = 90
c = 91.557	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	MARMOSAIC 300 mm CCD		2008-11-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	.97951	APS	23-ID-B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	50	99.9	0.152	0.14	17.538	6.1	16421	16405			33.658

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.35	99.7		0.803	0.803	2.5	4.9	1005

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.3	35	15933	15889	784	99.72	0.2	0.197	0.265	RANDOM	26.007

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]
1.48			-1.9		0.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.853
r_dihedral_angle_4_deg	24.334
r_dihedral_angle_3_deg	17.295
r_dihedral_angle_1_deg	5.712
r_scangle_it	2.758
r_scbond_it	1.815
r_angle_refined_deg	1.393
r_mcangle_it	1.11
r_mcbond_it	0.629
r_nbtor_refined	0.315
r_symmetry_vdw_refined	0.219
r_nbd_refined	0.215
r_symmetry_hbond_refined	0.197
r_xyhbond_nbd_refined	0.188
r_chiral_restr	0.1
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2790
Nucleic Acid Atoms
Solvent Atoms	102
Heterogen Atoms	44

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection