Experiment: 2B0K

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2DBE	DNA PART OF NDB ENTRY GDL009 OR PDB ENTRY 2DBE

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5	293	MAGNESIUM CHLORIDE, DNA, COMPOUND DB921, MPD, SODIUM CACODYLATE BUFFER, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K, pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 24.288	α = 90
b = 40.068	β = 90
c = 65.989	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	105	IMAGE PLATE	RIGAKU RAXIS IV	OSMIC FOCUSING MIRROR SYSTEM	2005-05-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	1.64	25	96.6	0.056	36.19	3.16		8055		-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)
	1.64	1.7	96.4		0.197	6.43

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	DNA PART OF NDB ENTRY GDL009 OR PDB ENTRY 2DBE	1.64	8	2	7968	784	87.2	0.2307	0.2286		0.23	0.3002	0.28	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
		596

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.067
s_non_zero_chiral_vol	0.037
s_anti_bump_dis_restr	0.026
s_angle_d	0.019
s_from_restr_planes	0.009
s_bond_d	0.004
s_similar_dist
s_zero_chiral_vol
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	486
Solvent Atoms	76
Heterogen Atoms	34

Software

Software
Software Name	Purpose
SHELXL-97	refinement
SCALEPACK	data scaling
CNS	refinement
DENZO	data reduction
CNS	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.