Experiment: 3NXS

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3MD0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9	289	JCSG+ condition F6, 0.1% Bicine pH 9.0, 10% MPD as crystallant, 28.66 mg/mL protein, crystal tracking ID 215415f6, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.63	α = 90
b = 91.46	β = 90
c = 57.47	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	100	CCD	ADSC QUANTUM 315r		2010-06-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.0	ALS	5.0.2

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	2.3	50	98.2	0.054	22.87	8.7	19008	18658		-3	52.616

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	2.3	2.36	97.9		0.489	4.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	3MD0	2.3	50	18582	943	97.75	0.2098	0.2086	0.2312	RANDOM	56.8727

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]
-3.13			1.18		1.95

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.045
r_dihedral_angle_4_deg	22.532
r_dihedral_angle_3_deg	15.167
r_dihedral_angle_1_deg	5.956
r_scangle_it	4.418
r_scbond_it	2.658
r_mcangle_it	1.757
r_angle_refined_deg	1.501
r_mcbond_it	0.931
r_chiral_restr	0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.045
r_dihedral_angle_4_deg	22.532
r_dihedral_angle_3_deg	15.167
r_dihedral_angle_1_deg	5.956
r_scangle_it	4.418
r_scbond_it	2.658
r_mcangle_it	1.757
r_angle_refined_deg	1.501
r_mcbond_it	0.931
r_chiral_restr	0.1
r_bond_refined_d	0.015
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2283
Nucleic Acid Atoms
Solvent Atoms	90
Heterogen Atoms	29

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

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 R01GM157729.