Experiment: 1ZBB

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1KX5	1KX5(NUCLEOSOME CORE PARTICLE)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.75	294	magnesium chloride, potassium chloride, potassium cacodylate, trisCl, pH 6.75, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 127.675	α = 90
b = 168.445	β = 90
c = 237.126	γ = 90

Symmetry
Space Group	I 2 2 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	MARRESEARCH	Dynamically bendable mirror	2003-08-13	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	MARRESEARCH	Dynamically bendable mirror	2003-08-22	M	SINGLE WAVELENGTH
3	1	x-ray		CCD	MARRESEARCH	Dynamically bendable mirror	2003-10-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.96980	SLS	X06SA
2	SYNCHROTRON	SLS BEAMLINE X06SA	1.000030	SLS	X06SA
3	SYNCHROTRON	SLS BEAMLINE X06SA	0.850030	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	9	50	97	0.072	17.28	5.7	1994	1994

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2,3	9	10	97.4		0.087	12.55	4.2	542

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1KX5(NUCLEOSOME CORE PARTICLE)	9	50	1992	1992		97	0.386	0.386	0.39		0.32

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12630
Nucleic Acid Atoms	14221
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
BEAST	model building
REFMAC	refinement
BEAST	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.