Experiment: 8F2W

Structure of a B-Form Dodecamer: 5'-CGCGAATTCGCG-3

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	MPD, SODIUM CACODYLATE TRIHYDRATE, SPERMINE TETRACHLORIDE, SODIUM CHLORIDE, MAGNESIUM HEXAHYDRATE

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.84

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 25.58	α = 90
b = 40.104	β = 90
c = 66.099	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	100	PIXEL	DECTRIS EIGER X 16M		2021-02-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	1.3	34.3	95.2	0.981	16.74	1.9		16736			15.15

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.3	1.35			0.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1BNA	1.3	34.29	1.33	16549	1664	95.18	0.1894	0.1865	0.2149	0.2761	20.24

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	31.0051
f_angle_d	1.4438
f_chiral_restr	0.0734
f_plane_restr	0.0217
f_bond_d	0.0114

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	486
Solvent Atoms	135
Heterogen Atoms	1

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data scaling
PHASER	phasing
Coot	model building
autoPROC	data processing
XDS	data reduction