Experiment: 3PX1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	3.6	289	MPD, Sodium Acetate, pH 3.6, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.81	56.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.429	α = 90
b = 95.429	β = 90
c = 63.973	γ = 120

Symmetry
Space Group	P 63

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	MAR CCD 165 mm	Monochromator	2008-12-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R	1.0	ELETTRA	5.2R

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	3	82.64	94.9	0.068	17.2	4	11558	6442		-3

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	3	3.11	96.8		0.454		4	669

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	2NXQ	3	50	11558	6413	309	94.55	0.2369	0.2369	0.2347	0.2814	RANDOM	80.4157

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]
-2.68	-1.34		-2.68		4.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.759
r_dihedral_angle_4_deg	21.399
r_dihedral_angle_3_deg	21.286
r_dihedral_angle_1_deg	7.528
r_scangle_it	5.155
r_scbond_it	2.791
r_mcangle_it	1.833
r_angle_refined_deg	1.815
r_mcbond_it	0.888
r_chiral_restr	0.114

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.759
r_dihedral_angle_4_deg	21.399
r_dihedral_angle_3_deg	21.286
r_dihedral_angle_1_deg	7.528
r_scangle_it	5.155
r_scbond_it	2.791
r_mcangle_it	1.833
r_angle_refined_deg	1.815
r_mcbond_it	0.888
r_chiral_restr	0.114
r_bond_refined_d	0.02
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	996
Nucleic Acid Atoms
Solvent Atoms	27
Heterogen Atoms	4

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
PHASER	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.