2QUW

Hammerhead Ribozyme G12A mutant after cleavage

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 28.03	α = 74.24
b = 53.14	β = 81.37
c = 72.05	γ = 75.65

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						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	2.2	19.46	89.43	0.08	3.9	3.6	17539	15733

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		THROUGHOUT	2.2	19.46	17539	1806	89.56	0.205	0.199	0.262	RANDOM	70.969

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]
2.61	1.99	0.05	-0.81	-0.07	-2.76

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	2.623
r_angle_refined_deg	1.762
r_scbond_it	1.628
r_nbtor_refined	0.277
r_symmetry_hbond_refined	0.201
r_nbd_refined	0.192
r_xyhbond_nbd_refined	0.154
r_symmetry_vdw_refined	0.153
r_chiral_restr	0.079
r_bond_refined_d	0.009
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	2966
Solvent Atoms	51
Heterogen Atoms	17

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction