3F2R

Crystal structure of human choline kinase alpha in complex with hemicholinium-3

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2I7Q	PDB ENTRY 2I7Q

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	291	0.01M TRIS pH 8.0, 0.5M sodium chloride, 0.005M magnesium chloride, 0.01M DTT, 0.003M hemicholinium-3., pH 7.5, vapor diffusion, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.553	α = 90
b = 119.581	β = 90
c = 131.301	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		IMAGE PLATE	RIGAKU RAXIS		2008-01-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E	1.5418

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	2.35	30	100	0.113	9.9	6.6		37556

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)
	2.35	2.43	100		0.971		6.3	3702

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	MR	THROUGHOUT	PDB ENTRY 2I7Q	2.35	29.801	37136	1072	99.715	0.222	0.221	0.275	THIN SHELLS (SFTOOLS)	36.43

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]
-0.121			1.925		-1.804

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.794
r_dihedral_angle_4_deg	17.196
r_dihedral_angle_3_deg	14.225
r_dihedral_angle_1_deg	6.072
r_mcangle_it	3.672
r_scangle_it	3.507
r_scbond_it	2.457
r_mcbond_it	2.342
r_angle_refined_deg	1.399
r_angle_other_deg	0.889
r_mcbond_other	0.575
r_chiral_restr	0.08
r_bond_refined_d	0.017
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5335
Nucleic Acid Atoms
Solvent Atoms	56
Heterogen Atoms	64

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
Coot	model building
MolProbity	model building