5K7Y

Crystal structure of enzyme in purine metabolism

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	100 mM MES/imidazol containing 200 mM NaCl, 30 % glycerol and 10 % PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.94	58.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.519	α = 90
b = 126.541	β = 90
c = 130.32	γ = 90

Symmetry
Space Group	I 2 2 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	PIXEL	DECTRIS PILATUS 6M		2014-12-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.918409	BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	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	1.738	48.948	98.2	0.053	20.1	5.2		76477			36.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.738	1.747	89.6		0.707	1.9	3.7

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	2J2C	1.79	48.33	67541	3555	99.33	0.1717	0.1706	0.1924	RANDOM	33.887

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]
-0.34			0.48		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.071
r_dihedral_angle_4_deg	15.88
r_dihedral_angle_3_deg	13.714
r_dihedral_angle_1_deg	5.906
r_angle_refined_deg	1.472
r_mcangle_it	1.398
r_angle_other_deg	0.943
r_mcbond_it	0.85
r_mcbond_other	0.842
r_chiral_restr	0.093
r_bond_refined_d	0.012
r_gen_planes_refined	0.008
r_bond_other_d	0.006
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3843
Nucleic Acid Atoms
Solvent Atoms	344
Heterogen Atoms	42

Software

Software
Software Name	Purpose
XSCALE	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Coot	model building