1ZWZ

Structural comparison of Yeast snoRNP and splicesomal protein snu13p with its homologs

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.86	56.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.133	α = 90
b = 70.133	β = 90
c = 54.701	γ = 120

Symmetry
Space Group	P 31

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		IMAGE PLATE	RIGAKU RAXIS IIC		2004-01-12	M	SINGLE WAVELENGTH

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

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.9	35.14	20398	1119	90.59	0.18418	0.1828	0.20864	RANDOM	17.29

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]
0.04	0.02		0.04		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.274
r_dihedral_angle_4_deg	20.853
r_dihedral_angle_3_deg	14.11
r_dihedral_angle_1_deg	4.828
r_scangle_it	2.599
r_scbond_it	1.558
r_angle_refined_deg	1.119
r_mcangle_it	0.788
r_mcbond_it	0.476
r_nbtor_refined	0.293
r_symmetry_vdw_refined	0.21
r_nbd_refined	0.195
r_symmetry_hbond_refined	0.127
r_xyhbond_nbd_refined	0.107
r_chiral_restr	0.079
r_bond_refined_d	0.01
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1882
Nucleic Acid Atoms
Solvent Atoms	207
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	refinement