Experiment: 1NX8

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1NX4

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	292	PEG 8000, ammonium acetate, isopropanol, Tris, iron sulphate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.443	α = 90
b = 164.082	β = 90
c = 146.33	γ = 90

Symmetry
Space Group	C 2 2 21

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 4	mirrors	2002-01-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.2	0.9780	SRS	PX14.2

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	24.885	97	0.064	7.5		157442	41629			42.2

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	98.6		0.235	3.2

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	1NX4	2.3	81.65	41629	39546	2082	95.99	0.22991	0.22991	0.22751	0.2751	RANDOM	22.561

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]
1.78			0.49		-2.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	17.968
r_dihedral_angle_1_deg	4.81
r_scangle_it	2.614
r_angle_refined_deg	1.73
r_scbond_it	1.686
r_mcangle_it	0.988
r_mcbond_it	0.556
r_metal_ion_refined	0.205
r_symmetry_hbond_refined	0.147
r_xyhbond_nbd_refined	0.139

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	17.968
r_dihedral_angle_1_deg	4.81
r_scangle_it	2.614
r_angle_refined_deg	1.73
r_scbond_it	1.686
r_mcangle_it	0.988
r_mcbond_it	0.556
r_metal_ion_refined	0.205
r_symmetry_hbond_refined	0.147
r_xyhbond_nbd_refined	0.139
r_chiral_restr	0.12
r_nbd_refined	0.115
r_symmetry_vdw_refined	0.114
r_bond_refined_d	0.014
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6063
Nucleic Acid Atoms
Solvent Atoms	232
Heterogen Atoms	55

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
AMoRE	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 R01GM157729.