Experiment: 2A2Z

Crystal Structure of human deoxycytidine kinase in complex with deoxycytidine and uridine diphosphate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1P60	PDB Entry 1P60

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	PEG 1000, MPD, Calcium Chloride, Sodium Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.4	47.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.18	α = 90
b = 110.85	β = 90
c = 155.37	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	MARRESEARCH	Mirror	2004-04-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.97626	APS	22-ID

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	3.02	30	96.3	0.125	0.118	12.63	5.8	22334	22297

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)
	3.02	3.1	91.2	91.2	0.454	0.41	3.48	5.4	3257

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB Entry 1P60	3.02	29.66	22426	22202	2244	99	0.25	0.25	0.246	0.2479	0.3	0.2993	RANDOM	44.64

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]
-13.77			5.9		7.87

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.6
c_angle_d	1.3
c_improper_angle_d	0.87
c_bond_d	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7169
Nucleic Acid Atoms
Solvent Atoms	55
Heterogen Atoms	182

Software

Software
Software Name	Purpose
XSCALE	data scaling
MOLREP	phasing
DM	phasing
CNS	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction