5KVY

CRYSTAL STRUCTURE OF THE TWO TANDEM RRM DOMAINS OF PUF60 BOUND TO A PORTION OF AN ADML PRE-MRNA 3' SPLICE SITE ANALOG

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.7	293	0.1 M TRIS-HCl, 25% PEG 4000, 5-10 mM Barium Chloride Dihydrate, pH 8.7, mixed with 10 mg/ml protein-nucleic acid mixture in 50 mM TRIS-HCl, pH 8.0, 150 mM NaCl, 20 micromolar EDTA.

Crystal Properties
Matthews coefficient	Solvent content
1.68	26.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.438	α = 90
b = 62.438	β = 90
c = 83.332	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	100	CCD	ADSC QUANTUM 315		2009-07-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9795	APS	24-ID-C

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	1.95	30	99.7	0.059				26419		-3

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	1.95	2	100		0.452	2.2

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2QFJ	1.95	30	24917	1139	94.2	0.196	0.232	RANDOM, AFTER APPLICATION OF DETWINNING	34.49

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]
-0.013			-0.013		0.027

RMS Deviations
Key	Refinement Restraint Deviation
o_mcangle_it	4.379
o_mcbond_it	2.547
o_angle_deg	1.34
o_bond_d	0.006
o_bond_d_na
o_bond_d_prot
o_angle_d
o_angle_d_na
o_angle_d_prot
o_angle_deg_na
o_angle_deg_prot
o_dihedral_angle_d
o_dihedral_angle_d_na
o_dihedral_angle_d_prot
o_improper_angle_d
o_improper_angle_d_na
o_improper_angle_d_prot
o_scbond_it
o_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3005
Nucleic Acid Atoms	66
Solvent Atoms	219
Heterogen Atoms	24

Software

Software
Software Name	Purpose
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
CNS	refinement
PDB_EXTRACT	data extraction