5KTJ

Crystal structure of Pistol, a class of self-cleaving ribozyme

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		298.15	6% MPD, 0.02 M magnesium chloride, 0.02 M cobalt hexammine, 0.04 M sodium cacodylate

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.19	α = 90
b = 85.19	β = 90
c = 256.54	γ = 90

Symmetry
Space Group	I 41 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77.15	PIXEL	DECTRIS PILATUS 6M-F		2016-06-16	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	1.8445, 1.0163,1.8450	APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.971	81.27	99.8	11.87	17.36	10223	10205

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.971

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	MAD	THROUGHOUT	2.97	81.27	9769	523	99.33	0.19834	0.19559	0.25719	RANDOM	123.508

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]
0.73			0.73		-1.47

RMS Deviations
Key	Refinement Restraint Deviation
r_long_range_B_refined	15.003
r_long_range_B_other	14.804
r_scangle_other	10.809
r_scbond_it	7.065
r_scbond_other	7.056
r_angle_refined_deg	2.212
r_angle_other_deg	1.721
r_chiral_restr	0.135
r_gen_planes_refined	0.014
r_bond_refined_d	0.01
r_bond_other_d	0.005
r_gen_planes_other	0.003
r_dihedral_angle_1_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	2786
Solvent Atoms	15
Heterogen Atoms	165

Software

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