Experiment: 8RMH

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293.15	A solution containing DNA 1.8 mM, 0.02 M Sodium Cacodylate pH 5.5, 0.1 M NaCl, 0.01 mM MgCl2 was mixed 1:1 with a solution containing 0.2 M Potassium chloride, 0.05 M Sodium cacodylate trihydrate pH 5.9, 10% w/v Polyethylene glycol 4000 & 0.01 M Magnesium chloride hexahydrate.

Crystal Properties
Matthews coefficient	Solvent content
1.89	35.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.436	α = 90
b = 40.436	β = 90
c = 40.479	γ = 90

Symmetry
Space Group	P 4 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293.15	PIXEL	DECTRIS PILATUS 12M		2023-09-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I23	1.1271	Diamond	I23

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	1.15	40.48	100	1	0.353	126.9		12480			10.52

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	1.15	1.17			0.567

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	FREE R-VALUE	1.15	40.48	1.34	12352	1216	98.83	0.1536	0.1514	0.1469	0.19	0.1851	21.33

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	33.3676
f_angle_d	1.2766
f_chiral_restr	0.0522
f_plane_restr	0.0164
f_bond_d	0.0112

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	290
Solvent Atoms	60
Heterogen Atoms	14

Software

Software
Software Name	Purpose
PHENIX	refinement
DIALS	data reduction
XSCALE	data scaling
ACORN	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.