2AVJ | pdb_00002avj

G4(Br)UTTG4 dimeric quadruplex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	under oil evaporation	6.5	293.15	sodium iodide, sodium cacodylate, PEG 400, pH 6.5, under oil evaporation, temperature 293.15K

Crystal Properties
Matthews coefficient	Solvent content
2.11	37.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.681	α = 90
b = 33.309	β = 91.49
c = 79.234	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	99	CCD	ADSC QUANTUM 4		2005-05-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9199	ESRF	ID14-4

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	2.2	39.46	94.5	0.032			6534	6534

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	2.2	2.49	89.5	89.5	0.062

Refinement

Statistics
Diffraction ID	Structure Solution 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 Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	2.39	24.4	6377	6377	308	94.586	0.172	0.172	0.1679	0.1746	0.242	RANDOM	26.433

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]
-0.814		1.292	-0.289		1.171

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	2.084
r_angle_refined_deg	1.724
r_scbond_it	1.577
r_nbd_refined	0.348
r_nbtor_refined	0.279
r_symmetry_vdw_refined	0.209
r_xyhbond_nbd_refined	0.163
r_symmetry_hbond_refined	0.15
r_chiral_restr	0.077
r_metal_ion_refined	0.077
r_bond_refined_d	0.008
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	1398
Solvent Atoms	155
Heterogen Atoms	16

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SHELXD	phasing