Experiment: 1K0E

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	298	0.1M sodium acetate buffer, 2.0M sodium formate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K (PROTEIN SOLUTION: 50mM MOPS pH 7.5, 50mM KCL, 5mM MG CL2, 2 mM DTT, 40.2 MG/ML PROTEIN. WELL SOLUTION: 0.1 M NA ACETATE pH 4.6, 2.0 M NA FORMATE)

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.992	α = 90
b = 185.718	β = 90
c = 45.077	γ = 90

Symmetry
Space Group	P 21 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	115	CCD	MARRESEARCH		2000-11-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-BM	1.000	APS	17-BM

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	20	91.2	0.1	11.5	5	269253	55584

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)
	2	2.08	90.4		0.208	4.8	3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MAD	FREE R	2	10	55584	2896	86.7	0.2049	0.206		0.3146	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
		7116

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.086
s_angle_d	0.061
s_anti_bump_dis_restr	0.025
s_non_zero_chiral_vol	0.024
s_bond_d	0.021
s_from_restr_planes	0.0181
s_zero_chiral_vol	0.017
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6755
Nucleic Acid Atoms
Solvent Atoms	321
Heterogen Atoms	30

Software

Software
Software Name	Purpose
SHELXD	phasing
SHELXL-97	refinement
MAR345	data collection
d*TREK	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.