Experiment: 3ERX

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	3.0 M ammonium sulphate and 50 mM potassium phosphate at pH 7.0,, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.18	61.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.823	α = 90
b = 56.993	β = 126.22
c = 67.982	γ = 90

Symmetry
Space Group	C 1 2 1

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		2006-03-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.95370	ESRF	ID23-1

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	1.25	54.88	79.2	0.056	0.056	16.3	3.3	73293	73293			13.2

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	1.25	1.32	31.2		0.28	0.28	2.2	2.1	4172

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	PDB entry 1ADW	1.25	54.88	73293	69604	3689	79.09	0.1892	0.1892	0.18832	0.20584	RANDOM	14.09

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]
-0.4		-0.19	-0.02		0.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.262
r_dihedral_angle_4_deg	18.434
r_dihedral_angle_3_deg	11.731
r_dihedral_angle_1_deg	5.86
r_scangle_it	2.117
r_scbond_it	1.378
r_angle_refined_deg	1.198
r_mcangle_it	0.811
r_mcbond_it	0.516
r_nbtor_refined	0.303

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.262
r_dihedral_angle_4_deg	18.434
r_dihedral_angle_3_deg	11.731
r_dihedral_angle_1_deg	5.86
r_scangle_it	2.117
r_scbond_it	1.378
r_angle_refined_deg	1.198
r_mcangle_it	0.811
r_mcbond_it	0.516
r_nbtor_refined	0.303
r_nbd_refined	0.202
r_symmetry_vdw_refined	0.176
r_symmetry_hbond_refined	0.153
r_xyhbond_nbd_refined	0.116
r_chiral_restr	0.078
r_metal_ion_refined	0.023
r_bond_refined_d	0.007
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1868
Nucleic Acid Atoms
Solvent Atoms	485
Heterogen Atoms	17

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.