Experiment: 4IUE

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3KR7

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	vapour diffusion, hanging drop	8.5	277	17% PEG 3350, 0.2M Ammonium sulphate, 0.1M Tris pH 8.5, vapour diffusion, hanging drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.71	54.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.188	α = 90
b = 67.188	β = 90
c = 115.18	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315r		2011-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2		Australian Synchrotron	MX2

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	2.38	70	99	0.069	0.087			11124	11124

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	3KR7	2.38	58.04	11030	531	99.07	0.1975	0.194	0.2631	RANDOM	31.6311

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]
0.37			0.37		-0.75

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.7
r_dihedral_angle_4_deg	16.753
r_dihedral_angle_3_deg	16.575
r_dihedral_angle_1_deg	6.349
r_scangle_it	4.742
r_scbond_it	2.93
r_mcangle_it	1.88
r_angle_refined_deg	1.63
r_mcbond_it	0.982
r_chiral_restr	0.105

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.7
r_dihedral_angle_4_deg	16.753
r_dihedral_angle_3_deg	16.575
r_dihedral_angle_1_deg	6.349
r_scangle_it	4.742
r_scbond_it	2.93
r_mcangle_it	1.88
r_angle_refined_deg	1.63
r_mcbond_it	0.982
r_chiral_restr	0.105
r_bond_refined_d	0.018
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1677
Nucleic Acid Atoms
Solvent Atoms	82
Heterogen Atoms	30

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
PHASES	phasing

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.