3UE2

Crystal structure of a RNA binding domain of poly-U binding splicing factor 60KDa (PUF60) from Homo sapiens at 1.23 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	277	2.4 M ammonium sulfate, 0.1M MES pH 6.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
1.87	34.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.64	α = 90
b = 49.995	β = 90
c = 55.13	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	100	CCD	ADSC QUANTUM 315	KOHZU: Double Crystal Si(111)	2011-09-09	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	0.9537,0.9796,0.9794	ALS	8.2.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.23	29.553	99.8	0.08	8.3	3.4	30048	30048

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.23	1.26	100		0.612	0.612	1.3	3.4	2198

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	1.23	29.553	29999	1520	99.66	0.1355	0.1341	0.1601	RANDOM	16.2176

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]
-0.61			-0.41		1.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.323
r_dihedral_angle_4_deg	13.134
r_dihedral_angle_3_deg	11.921
r_sphericity_free	11.822
r_scangle_it	7.405
r_sphericity_bonded	5.649
r_scbond_it	5.408
r_dihedral_angle_1_deg	5.155
r_mcangle_it	3.855
r_mcbond_it	2.751
r_rigid_bond_restr	2.331
r_angle_refined_deg	1.506
r_mcbond_other	1.504
r_angle_other_deg	0.926
r_chiral_restr	0.108
r_bond_refined_d	0.024
r_gen_planes_refined	0.009
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	932
Nucleic Acid Atoms
Solvent Atoms	189
Heterogen Atoms	10

Software

Software
Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
SOLVE	phasing
SCALA	data scaling
REFMAC	refinement
MOSFLM	data reduction