Experiment: 4E5R

Crystal Structure of Frog DGCR8 Dimerization Domain

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	277	20% (w/v) PEG-1000, 0.1 M imidazole pH 8.0, 0.2 M calcium acetate, 100 mM tribasic sodium citrate, vapor diffusion, hanging drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.56	51.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.891	α = 90
b = 39.891	β = 90
c = 82.125	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS HTC		2010-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

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	1.9	80	98.99	0.1	1.23	11.5	5691	5640			33.21

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.97		99.6	0.459	3.38	6.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.9	35.882	5593	560	98.99	0.2088	0.2068	0.1994	0.228	0.2195	34.9949

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]
6.2576			6.2576		-12.5151

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.561
f_angle_d	1.109
f_chiral_restr	0.069
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	450
Nucleic Acid Atoms
Solvent Atoms	27
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
PHENIX	refinement
PDB_EXTRACT	data extraction