7A9L

Racemic compound of RNA duplexes.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.2 M zinc acetate, 0.1 M cacodylate buffer, 18% w/v polyethylene glycol 8000

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 21.066	α = 105.511
b = 25.968	β = 96.328
c = 38.566	γ = 92.161

Symmetry
Space Group	P 1

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 PILATUS 6M		2019-02-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	1.283	BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	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	1.98	36.9	83.2	0.103	0.146	0.984	4.62	1.9		9111

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.98	2.1			0.407	0.576	0.788	1.63

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	6ZQ9	1.98	36.87	4852	260	88.816	0.178	0.1741	0.25	22.093

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]
-0.919	0.028	-0.166	1.947	-0.633	-0.527

RMS Deviations
Key	Refinement Restraint Deviation
r_lrange_it	5.033
r_lrange_other	4.144
r_scangle_it	2.123
r_scangle_other	2.123
r_scbond_it	1.5
r_scbond_other	1.5
r_angle_refined_deg	1.468
r_angle_other_deg	1.256
r_symmetry_nbd_other	0.278
r_xyhbond_nbd_refined	0.262
r_nbtor_refined	0.252
r_nbd_other	0.206
r_nbd_refined	0.194
r_symmetry_xyhbond_nbd_refined	0.187
r_metal_ion_refined	0.143
r_symmetry_nbd_refined	0.092
r_symmetry_nbtor_other	0.062
r_chiral_restr	0.061
r_symmetry_xyhbond_nbd_other	0.032
r_gen_planes_refined	0.014
r_bond_refined_d	0.007
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	676
Solvent Atoms	122
Heterogen Atoms	7

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing