4R3E

Structure of the spliceosomal peptidyl-prolyl cis-trans isomerase Cwc27 from Homo sapiens

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	291.15	0.1 M magnesium formate 15% PEG 3,350, pH 8, VAPOR DIFFUSION, SITTING DROP, temperature 291.15K

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.86	α = 90
b = 85.86	β = 90
c = 55.02	γ = 120

Symmetry
Space Group	P 65

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	RAYONIX MX-225		2012-09-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.2	0.91841	BESSY	14.2

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	44.27	99.3	9.7	4		30399		-3	30.5

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	2.05	93.5		1.6	2.6	2114

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	PDB ENTRY 2HQ6	2	44.27	14902	784	99.73	0.17398	0.17176	0.21716	RANDOM	25.43

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]
0.44	0.44		0.44		-1.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.758
r_dihedral_angle_4_deg	14.343
r_dihedral_angle_3_deg	12.247
r_dihedral_angle_1_deg	6.015
r_angle_refined_deg	1.084
r_angle_other_deg	0.696
r_chiral_restr	0.062
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.758
r_dihedral_angle_4_deg	14.343
r_dihedral_angle_3_deg	12.247
r_dihedral_angle_1_deg	6.015
r_angle_refined_deg	1.084
r_angle_other_deg	0.696
r_chiral_restr	0.062
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1363
Nucleic Acid Atoms
Solvent Atoms	194
Heterogen Atoms	18

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.