5VJB

Guanidine-II riboswitch P2 hairpin dimer with 5-bromoU substitution from Pseudomonas aeruginosa

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	5.6	296.15	1:1 ratio of 200uM RNA in crystallization buffer (10 mM MgCl2, 10 mM KCl, 10 mM HEPES-KOH, pH 7.5, and 40 mM guanidine) and crystallization reagent (45% MPD, 50 mM MES, pH 5.6, 4 mM NaCl, 40 mM KCl, and 12 mM spermine)

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.234	α = 90
b = 60.54	β = 90
c = 71.914	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 PILATUS 6M-F		2017-04-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.919300	APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	2.1	40	99.9	0.068	0.073	0.028	6.8	6.8		25445

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.14	100		1.058	1.142	0.427	0.552		7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.1	40	13040	634	98.3	0.2167	0.2156	0.2383	RANDOM	40.534

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]
1.02			-1.38		0.36

RMS Deviations
Key	Refinement Restraint Deviation
r_angle_refined_deg	1.995
r_angle_other_deg	1.775
r_chiral_restr	0.106
r_gen_planes_refined	0.017
r_bond_refined_d	0.012
r_bond_other_d	0.008
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	1372
Solvent Atoms	11
Heterogen Atoms	73

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
SHELXDE	phasing
PDB_EXTRACT	data extraction
Coot	model building
HKL-2000	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.