5LYS

The crystal structure of 7SK 5'-hairpin - Gold derivative

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277	30% PEG 1000, 50 mM Tris pH 7.5, 50 to 75 mM NaCl, 50 mM MgCl2, 3% DMSO

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.32	α = 90
b = 47.83	β = 105.54
c = 69.23	γ = 90

Symmetry
Space Group	P 1 21 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	CCD	ADSC QUANTUM 315r		2010-11-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SOLEIL BEAMLINE PROXIMA 1	1.04014	SOLEIL	PROXIMA 1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.32	50	93.7	0.098	0.998	9.4	3.9		23716			54.98

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.32	2.38	61.9		1.327	0.469	1.12	3.56

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Theoretical model of RNA generated with RNAcomposer	2.32	40	12303	491	93.83	0.1866	0.1845	0.2274	RANDOM	59.05

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]
-2.0225		5.3761	-1.8343		3.8568

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	26.46
t_angle_deg	0.85
t_bond_d	0.01
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_pseud_angle
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
t_omega_torsion

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	2426
Solvent Atoms	184
Heterogen Atoms	4

Software

Software
Software Name	Purpose
XSCALE	data scaling
BUSTER-TNT	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing