3TP2

Crystal Structure of the Splicing Factor Cwc2 from yeast

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	PEG5000 MME, ammonium sulfate, MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.56	51.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.7	α = 90
b = 79.7	β = 90
c = 113.8	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		PIXEL	DECTRIS PILATUS 6M			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.98	SLS	X10SA

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	47.264	99.3	0.082	21.8			27711		-3	35.026

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	2.2	2.3	94.2		0.427	5.51

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	SAD	THROUGHOUT	2.4	47.26	21530	1077	100	0.2231	0.2214	0.2555	RANDOM	28.256

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]
-0.63			1.38		-0.75

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.179
r_dihedral_angle_4_deg	13.661
r_dihedral_angle_3_deg	12.827
r_dihedral_angle_1_deg	4.87
r_scangle_it	1.852
r_scbond_it	1.06
r_angle_refined_deg	0.927
r_mcangle_it	0.796
r_mcbond_it	0.414
r_chiral_restr	0.066
r_bond_refined_d	0.007
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3466
Nucleic Acid Atoms
Solvent Atoms	176
Heterogen Atoms	4

Software

Software
Software Name	Purpose
XSCALE	data scaling
SHARP	phasing
SOLOMON	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction