1XCS

structure of oligonucleotide/drug complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	MPD, barium chloride, cobalt chloride, drug, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 28.659	α = 90
b = 53.473	β = 90
c = 40.691	γ = 90

Symmetry
Space Group	C 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	120					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.80000	EMBL/DESY, HAMBURG	X11

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	1.4	40.82		0.082				6152

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)
	1.4	1.45			0.117

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1.4	40.82	5550	602	96.09	0.202	0.19882	0.19348	0.25091	RANDOM	21.894

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]
1.02			-0.4		-0.63

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	3.403
r_sphericity_bonded	3.127
r_scangle_it	2.875
r_angle_refined_deg	2.147
r_scbond_it	1.994
r_angle_other_deg	1.611
r_rigid_bond_restr	1.221
r_symmetry_hbond_refined	0.679
r_symmetry_vdw_other	0.266
r_nbd_other	0.257
r_metal_ion_refined	0.215
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.169
r_xyhbond_nbd_refined	0.153
r_nbtor_other	0.129
r_chiral_restr	0.093
r_gen_planes_refined	0.014
r_gen_planes_other	0.012
r_bond_refined_d	0.01
r_bond_other_d	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	225
Solvent Atoms	44
Heterogen Atoms	31

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling