3K18 | pdb_00003k18

Tellurium modified DNA-8mer

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	MPD,sodium cacodylate,spermine tetra-HCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.695	α = 90
b = 42.695	β = 90
c = 24.213	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	99	CCD	ADSC QUANTUM 210		2008-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12C	0.9795	NSLS	X12C

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	1.5	18.89	94.4	0.075	15	8.63	3878	3659	50	5	19.6

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)
	1.5	1.55	74.9		0.427	2.4	5.3	277

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	THROUGHOUT	1.5	18.89	3706	3483	165	93.97	0.20239	0.20142	0.2799	0.22323	0.2327	RANDOM	19.275

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]
0.07			0.07		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_angle_refined_deg	1.841
r_scangle_it	1.662
r_scbond_it	1.259
r_nbtor_refined	0.27
r_symmetry_vdw_refined	0.173
r_xyhbond_nbd_refined	0.166
r_nbd_refined	0.144
r_symmetry_hbond_refined	0.144
r_chiral_restr	0.078
r_bond_refined_d	0.011
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	162
Solvent Atoms	28
Heterogen Atoms

Software

Software
Software Name	Purpose
CBASS	data collection
SHELXS	phasing
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling