2R0S | pdb_00002r0s

Crystal Structure of the Rsc4 tandem bromodomain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	4.2	298	0.1M phosphate-citrate, 0.2M NaCl, 0.2M ammonium sulfate, 20% PEG 3000, 5% Glycerol, pH 4.2, VAPOR DIFFUSION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.03	59.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.899	α = 90
b = 95.899	β = 90
c = 233.519	γ = 120

Symmetry
Space Group	H 3 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 IV		2004-12-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.542

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	1.8	20	96.2	0.055	14.3		38599	37132

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)
	1.8	1.86	67.4		0.369			2566

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	1.8	20	38599	37125	1847	96.14	0.216	0.178	0.176	0.1965	0.218	0.2296	RANDOM	23.61

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]
0.89	0.44		0.89		-1.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.629
r_dihedral_angle_4_deg	19.202
r_dihedral_angle_3_deg	13.427
r_dihedral_angle_1_deg	5.524
r_scangle_it	3.201
r_scbond_it	2.075
r_angle_refined_deg	1.243
r_mcangle_it	1.157
r_mcbond_it	0.736
r_nbtor_refined	0.307
r_symmetry_vdw_refined	0.216
r_nbd_refined	0.206
r_symmetry_hbond_refined	0.193
r_xyhbond_nbd_refined	0.152
r_chiral_restr	0.096
r_bond_refined_d	0.016
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2387
Nucleic Acid Atoms
Solvent Atoms	355
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
CTR	data collection
MOLREP	phasing