6ZRL

Racemic compound of RNA duplexes.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6ZQ9

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 polyehylene glycol 8000

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 21.01	α = 105.801
b = 26.47	β = 96.705
c = 38.75	γ = 91.892

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		2018-12-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)	1.283	PETRA III, EMBL c/o DESY	P13 (MX1)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.53	37	88.9	0.107	0.118	0.995	7.7	5.3		10704

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.53	1.62	75.1		0.731	0.81	0.862		5.2

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	1.53	36.966	10703	567	89.051	0.217	0.2134	0.2754	18.568

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]
-0.622	0.91	-0.683	1.631	0.018	-0.753

RMS Deviations
Key	Refinement Restraint Deviation
r_lrange_it	4.478
r_lrange_other	3.844
r_scangle_it	1.817
r_scangle_other	1.816
r_angle_refined_deg	1.582
r_scbond_it	1.385
r_scbond_other	1.384
r_angle_other_deg	1.158
r_symmetry_nbd_other	0.272
r_nbtor_refined	0.253
r_xyhbond_nbd_refined	0.245
r_nbd_refined	0.22
r_symmetry_xyhbond_nbd_refined	0.218
r_nbd_other	0.192
r_symmetry_nbd_refined	0.159
r_metal_ion_refined	0.082
r_chiral_restr	0.067
r_symmetry_nbtor_other	0.067
r_symmetry_xyhbond_nbd_other	0.038
r_gen_planes_refined	0.02
r_bond_refined_d	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	676
Solvent Atoms	184
Heterogen Atoms	7

Software

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