2JJA

Crystal structure of GNA with synthetic copper base pair

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		10% MPD, 40 MM SODIUM CACODYLATE, PH=5.5, 20 MM COBALT HEXAMINE, 80 MM NACL, 20 MM MGCL2.

Crystal Properties
Matthews coefficient	Solvent content
2.02	38.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 18.16	α = 90
b = 48.59	β = 90
c = 59.87	γ = 90

Symmetry
Space Group	I 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC CCD	MIRRORS	2007-11-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

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	1.3	10	99.1	0.08	20.4	11.2		7095		-3

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	1.3	1.33	99.8		0.3	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	NONE	1.3	10	6289	479	99	0.126	0.124	0.148	RANDOM	13.68

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]
-0.82			0.91		-0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	3.755
r_scbond_it	3.162
r_angle_refined_deg	2.074
r_angle_other_deg	0.955
r_symmetry_vdw_other	0.545
r_nbtor_refined	0.273
r_symmetry_vdw_refined	0.212
r_symmetry_hbond_refined	0.204
r_xyhbond_nbd_refined	0.189
r_nbd_other	0.188
r_nbd_refined	0.092
r_nbtor_other	0.085
r_chiral_restr	0.061
r_bond_refined_d	0.015
r_gen_planes_refined	0.013
r_bond_other_d	0.007
r_gen_planes_other	0.001
r_dihedral_angle_1_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	136
Solvent Atoms	80
Heterogen Atoms	18

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling