4F36

Crystal structure of Nucleoside diphosphate kinase B from Trypanosoma brucei, apo form

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3R9L	PDB ENTRY 3R9l

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	290	EBS internal tracking number 233837B2: JCSG B2, protein: 20.2 mg/mL TrbrA.00438.a.B1 PS01459 in 25 mM HEPES, pH 7.0, 500 mM sodium chloride, 2 mM DTT, 0.025% sodium azide, 5% glycerol, crystallant: 20% PEG3350, 200 mM sodium isothiocyanate, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.46	α = 90
b = 123.67	β = 90
c = 145.36	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	ADSC QUANTUM 315r		2012-04-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1	1.0331710	SSRL	BL7-1

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	50	98.8	0.077	12.47	4.3		42511		-3	44.419

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	2.36	91.3		0.486	2.3	3.11

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3R9l	2.3	50	42483	2144	98.92	0.2	0.198	0.235	RANDOM	40.762

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]
-0.63			-1.89		2.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.429
r_dihedral_angle_4_deg	24.369
r_dihedral_angle_3_deg	13.369
r_dihedral_angle_1_deg	6.082
r_angle_refined_deg	1.411
r_angle_other_deg	1.232
r_chiral_restr	0.078
r_bond_refined_d	0.014
r_gen_planes_refined	0.009
r_bond_other_d	0.008
r_gen_planes_other	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6311
Nucleic Acid Atoms
Solvent Atoms	286
Heterogen Atoms	3

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction