2QSG

Crystal structure of Rad4-Rad23 bound to a UV-damaged DNA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	277	50 mM bis-tris propane, 100mM sodium chloride, 6% (v/v) isopropanol, 14 mM calcium chloride and 5 mM dithiothreitol, pH 6.8, hanging-drop vapor diffusion, temperature 277K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
3.39	63.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.644	α = 90
b = 79.644	β = 90
c = 403.96	γ = 90

Symmetry
Space Group	P 41 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		CCD	ADSC QUANTUM 315		2006-07-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97922	APS	24-ID-C

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	3.1	30					23795

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	3.1	30	23084	23084	1170	93.44	0.248	0.248	0.246	0.277	RANDOM	67.97

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]
1.74			1.74		-3.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.596
r_dihedral_angle_3_deg	20.824
r_dihedral_angle_4_deg	18.548
r_dihedral_angle_1_deg	5.321
r_scangle_it	2.091
r_mcangle_it	1.309
r_scbond_it	1.291
r_angle_refined_deg	1.241
r_mcbond_it	0.759
r_nbtor_refined	0.312
r_nbd_refined	0.215
r_symmetry_vdw_refined	0.179
r_xyhbond_nbd_refined	0.143
r_symmetry_hbond_refined	0.133
r_chiral_restr	0.071
r_bond_refined_d	0.009
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4548
Nucleic Acid Atoms	932
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction