Experiment: 5FKH

SAM-I riboswitch bearing the H. marismortui Kt-7 variant 3bn is CU

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5FJC	PDB ENTRY 5FJC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		40 MM NA-CACODYLATE (PH 7.0), 80 MM KCL, 10 MM BACL2, 12 MM SPERMINE-HCL, 14% (V/V) MPD

Crystal Properties
Matthews coefficient	Solvent content
2.05	40.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.496	α = 90
b = 62.496	β = 90
c = 155.065	γ = 90

Symmetry
Space Group	P 43 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	173	PIXEL	DECTRIS PIXEL		2014-02-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	2.65	42.5	98.7	0.03	16.6	3.1		9323		1.7	88.69

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.65	2.78	99.7		0.55	1.7	3.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	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	MOLECULAR REPLACEMENT	PDB ENTRY 5FJC	2.65	42.499	1.33	9323	751	92.16	0.2329	0.2307	0.2488	0.2775	0.3035	134.03

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	15.964
f_angle_d	0.621
f_chiral_restr	0.035
f_plane_restr	0.005
f_bond_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	2028
Solvent Atoms	5
Heterogen Atoms	42

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL	data reduction
Aimless	data scaling
PHASER	phasing