Experiment: 3PKV

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.1	295	1.2M NaH2PO4, 0.8M K2HPO4, 0.1M CAPS (pH 10.5), 0.2M Li2SO4, vapor diffusion, hanging drop, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.41	49.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.581	α = 90
b = 110.581	β = 90
c = 58.069	γ = 120

Symmetry
Space Group	H 3

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		2010-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9792	APS	24-ID-C

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	1.34	50	99.9	0.043	20.9	4.5		59565

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)
	1.34	1.39	99.9		0.416		3.8	5990

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	1.34	27.786	0.14	57477	2820	96.23	0.1727	0.1721	0.185	RANDOM	17.688

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]
-2.0819			-2.0819		4.1639

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.455
f_angle_d	1.085
f_chiral_restr	0.071
f_bond_d	0.006
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1730
Nucleic Acid Atoms
Solvent Atoms	253
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing

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.