Experiment: 3TOR

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	Crystals were obtained in 100 mM HEPES pH 7.5, 20 % PEG 10 K. Soaked in mother liqour containing 10 mM Eu(II)Cl, 20 % Ethylene glycol for 2 minutes before immersion in liquid nitrogen., VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.57	52.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.884	α = 90
b = 90.489	β = 90
c = 292.196	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 4		2001-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.2	0.9795	SRS	PX14.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	146.1	98.5	0.079	11.6	3.01		139682			16.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.053	93.28		0.313	8.73	2.72	9181

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	2RDZ	2	146.1	132196	6985	98.16	0.16646	0.16355	0.22194	RANDOM	20.12

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]
2.28			-0.55		-1.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.503
r_dihedral_angle_4_deg	16.494
r_dihedral_angle_3_deg	15.058
r_dihedral_angle_1_deg	6.413
r_scangle_it	4.759
r_scbond_it	3.237
r_angle_refined_deg	1.854
r_mcangle_it	1.825
r_mcbond_it	1.082
r_chiral_restr	0.127

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.503
r_dihedral_angle_4_deg	16.494
r_dihedral_angle_3_deg	15.058
r_dihedral_angle_1_deg	6.413
r_scangle_it	4.759
r_scbond_it	3.237
r_angle_refined_deg	1.854
r_mcangle_it	1.825
r_mcbond_it	1.082
r_chiral_restr	0.127
r_bond_refined_d	0.023
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13904
Nucleic Acid Atoms
Solvent Atoms	2050
Heterogen Atoms	873

Software

Software
Software Name	Purpose
ADSC	data collection
MOLREP	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	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.