Experiment: 3IR2

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3E1U	Highly truncated model based on PDB Entry 3E1U

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	0.1M HEPES, 10% PEG 4000, 0.1M magnesium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.51	50.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.338	α = 90
b = 72.532	β = 90
c = 97.433	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 315	Bent conical Si-mirror (Rh coated)	2009-03-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.90020	APS	14-BM-C

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	2.25	58.22	97.1	0.075	0.075	9.6	6.7	23001	23001	1	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.25	2.33	97.4		0.365	0.365		6.6	2260

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	MOLECULAR REPLACEMENT	THROUGHOUT	Highly truncated model based on PDB Entry 3E1U	2.25	50	23001	21796	1171	96.99	0.16783	0.16783	0.16569	0.20823	RANDOM	18.463

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]
0.07			-1.47		1.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.791
r_dihedral_angle_4_deg	17.441
r_dihedral_angle_3_deg	15.009
r_dihedral_angle_1_deg	5.449
r_scangle_it	2.315
r_scbond_it	1.498
r_angle_refined_deg	1.113
r_mcangle_it	1.011
r_angle_other_deg	0.867
r_mcbond_it	0.535

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.791
r_dihedral_angle_4_deg	17.441
r_dihedral_angle_3_deg	15.009
r_dihedral_angle_1_deg	5.449
r_scangle_it	2.315
r_scbond_it	1.498
r_angle_refined_deg	1.113
r_mcangle_it	1.011
r_angle_other_deg	0.867
r_mcbond_it	0.535
r_mcbond_other	0.119
r_chiral_restr	0.078
r_bond_refined_d	0.011
r_bond_other_d	0.006
r_gen_planes_refined	0.005
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2986
Nucleic Acid Atoms
Solvent Atoms	377
Heterogen Atoms	8

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

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.