3UTA

Crystal Structure of Nucleosome Core Particle Assembled with an Alpha-Satellite Sequence Containing Two TTAAA elements (NCP-TA2)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	291	K-cacodylate, KCl, MnCl2, pH 6.0, temperature 291K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 106.51	α = 90
b = 109.91	β = 90
c = 182.33	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		PIXEL	PSI PILATUS 6M			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.9	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	2.067	94.13	75.7	0.062	0.077	0.035	12.1	4.2	99095	99095

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.07	2.18	15.4		0.452	0.452	0.601	0.411	1.4	1.5	2872

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.07	94.13	99013	2009	75.5	0.2411	0.2405	0.2659	RANDOM	67.4383

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]
0.77			-0.63		-0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.57
r_dihedral_angle_4_deg	20.691
r_dihedral_angle_3_deg	17.446
r_dihedral_angle_1_deg	4.89
r_scangle_it	2.442
r_mcangle_it	1.521
r_scbond_it	1.516
r_angle_refined_deg	1.418
r_mcbond_it	0.785
r_chiral_restr	0.069

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.57
r_dihedral_angle_4_deg	20.691
r_dihedral_angle_3_deg	17.446
r_dihedral_angle_1_deg	4.89
r_scangle_it	2.442
r_mcangle_it	1.521
r_scbond_it	1.516
r_angle_refined_deg	1.418
r_mcbond_it	0.785
r_chiral_restr	0.069
r_bond_refined_d	0.009
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6086
Nucleic Acid Atoms	5939
Solvent Atoms	109
Heterogen Atoms	21

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction

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.