2I7Q

Crystal structure of Human Choline Kinase A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	291	25% PEG3350, 0.1M Ammonium sulfate, 0.1M bis-Tris, pH 6.5, vapor diffusion, sitting drop, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.7	53.6
2.7	53.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.798	α = 90
b = 61.798	β = 90
c = 218.193	γ = 90

Symmetry
Space Group	P 43 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	CCD	MARMOSAIC 300 mm CCD		2006-07-15	M	SINGLE WAVELENGTH
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.97625	APS	22-ID

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	1.85	50	96.7	0.051	12.9	9.6		36255

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)
	1.85	1.92		72.6	0.691		2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB entry 1NW1, residues 155-419 and 76-153	1.9	30	34196	1751	99.05	0.231	0.2281	0.2785	random	28.068

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]
-0.046			-0.046		0.092

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.376
r_dihedral_angle_3_deg	13.972
r_dihedral_angle_4_deg	12.424
r_dihedral_angle_1_deg	5.942
r_scangle_it	3.972
r_mcangle_it	3.948
r_mcbond_it	2.977
r_scbond_it	2.889
r_angle_refined_deg	1.401
r_angle_other_deg	0.935
r_mcbond_other	0.798
r_symmetry_vdw_other	0.273
r_nbd_refined	0.214
r_nbd_other	0.189
r_nbtor_refined	0.185
r_symmetry_hbond_refined	0.163
r_xyhbond_nbd_refined	0.129
r_symmetry_vdw_refined	0.126
r_chiral_restr	0.087
r_nbtor_other	0.086
r_bond_refined_d	0.017
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2852
Nucleic Acid Atoms
Solvent Atoms	92
Heterogen Atoms	12

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ARP/wARP	model building
MolProbity	model building