Experiment: 4KB5

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	283	1.6 M Magnesium sulfate, 0.1 M MES pH 5.5 with a protein concentration of 20 mg ml-1, VAPOR DIFFUSION, SITTING DROP, temperature 283K

Crystal Properties
Matthews coefficient	Solvent content
4.12	70.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.114	α = 90
b = 85.114	β = 90
c = 193.143	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	100	IMAGE PLATE	MAR scanner 345 mm plate		2012-06-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.97914	SSRF	BL17U

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	2.15	77.89	100	0.071	0.071	25.9	7.6	39312	39312		-3	34.6

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	2.15	2.19	99.8		0.507	0.507	4.1	7.7	1947

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	SAD	THROUGHOUT	2.15	50	2	39312	37215	1971	99.29	0.18955	0.18822	0.2141	RANDOM	39.261

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]
0.92			0.92		-1.83

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.594
r_dihedral_angle_4_deg	17.962
r_dihedral_angle_3_deg	12.67
r_dihedral_angle_1_deg	5.367
r_angle_refined_deg	1.208
r_chiral_restr	0.079
r_bond_refined_d	0.008
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2807
Nucleic Acid Atoms
Solvent Atoms	177
Heterogen Atoms	60

Software

Software
Software Name	Purpose
MAR345dtb	data collection
SHELXS	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 R01GM133198.