Experiment: 3I2T

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	294	10% PEG 4,000, 0.1M HEPES, 5% Jeffamine M-600 (pH 7.0), 50mM KCl, 12.5% ethylene glycol, vapor diffusion, hanging drop, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
4.21	70.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.378	α = 90
b = 174.798	β = 90
c = 161.653	γ = 90

Symmetry
Space Group	C 2 2 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	MARMOSAIC 300 mm CCD		2006-12-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.91969	APS	23-ID-D

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	2.7	45	99.8	0.083	11.7	7		29225

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	2.7	2.8	100		0.657		6.7	2885

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	pdb entry 2a91	2.7	36.68	26324	2654	99.81	0.228	0.224	0.264	RANDOM	48.965

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]
-0.72			0.27		0.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.458
r_dihedral_angle_4_deg	21.884
r_dihedral_angle_3_deg	19.412
r_dihedral_angle_1_deg	6.793
r_scangle_it	2.736
r_scbond_it	1.644
r_angle_refined_deg	1.624
r_mcangle_it	1.052
r_mcbond_it	0.514
r_chiral_restr	0.106

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.458
r_dihedral_angle_4_deg	21.884
r_dihedral_angle_3_deg	19.412
r_dihedral_angle_1_deg	6.793
r_scangle_it	2.736
r_scbond_it	1.644
r_angle_refined_deg	1.624
r_mcangle_it	1.052
r_mcbond_it	0.514
r_chiral_restr	0.106
r_bond_refined_d	0.013
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4203
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms	173

Software

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

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 R01GM133198.