1QZ9

The Three Dimensional Structure of Kynureninase from Pseudomonas fluorescens

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1C0N	PDB ENTRY 1C0N

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	lithium chloride, PEG 400, potassium phosphate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.076	α = 90
b = 68.076	β = 90
c = 137.976	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH		2000-05-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	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	1.85	58.72	96.8	0.063	25.4	13.9		29707	-3	-3	44

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	1.85	1.88	92.9		0.608	2		1465

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR and MR	THROUGHOUT	PDB ENTRY 1C0N	1.85	19.65	29707	28131	1576	96.63	0.15475	0.15475	0.15277	0.19154	RANDOM	23.478

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]
0.24	0.12		0.24		-0.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.613
r_scangle_it	2.569
r_scbond_it	1.513
r_angle_refined_deg	1.186
r_mcangle_it	0.886
r_angle_other_deg	0.827
r_mcbond_it	0.468
r_symmetry_vdw_other	0.24
r_nbd_other	0.229
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.169
r_symmetry_hbond_refined	0.14
r_xyhbond_nbd_refined	0.133
r_nbtor_other	0.094
r_chiral_restr	0.071
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3131
Nucleic Acid Atoms
Solvent Atoms	428
Heterogen Atoms	33

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing