Experiment: 2IC0

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IBA	PDB ENTRY 2IBA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	4MG/ML URATE OXIDASE, 8-AZAXANTHINE 0.2MG/ML, TRIS 50MM, PEG 8000 2-5%, NACL 100MM, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K

Crystal Properties
Matthews coefficient	Solvent content
3.01	59.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.502	α = 90
b = 96.583	β = 90
c = 106.005	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	277	IMAGE PLATE	MAR scanner 345 mm plate	MIRRORS	2003-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LURE BEAMLINE DW32	0.964	LURE	DW32

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	1.75	20	82.5	0.049				34588		1	16.39

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	1.75	1.81	44.3		0.049			1813

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	rigid body	THROUGHOUT	PDB ENTRY 2IBA	1.78	14.84	1	33398	1677	83.85	0.166	0.164	0.201	RANDOM	20.84

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]
-0.01			0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.309
r_dihedral_angle_3_deg	13.609
r_dihedral_angle_4_deg	12.77
r_dihedral_angle_1_deg	6.084
r_scangle_it	4.079
r_scbond_it	2.533
r_mcangle_it	1.607
r_angle_refined_deg	1.501
r_mcbond_it	0.846
r_nbtor_refined	0.304

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.309
r_dihedral_angle_3_deg	13.609
r_dihedral_angle_4_deg	12.77
r_dihedral_angle_1_deg	6.084
r_scangle_it	4.079
r_scbond_it	2.533
r_mcangle_it	1.607
r_angle_refined_deg	1.501
r_mcbond_it	0.846
r_nbtor_refined	0.304
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.195
r_symmetry_hbond_refined	0.171
r_xyhbond_nbd_refined	0.116
r_chiral_restr	0.104
r_metal_ion_refined	0.077
r_bond_refined_d	0.014
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2362
Nucleic Acid Atoms
Solvent Atoms	169
Heterogen Atoms	13

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.