4LTK | pdb_00004ltk

Dehydration/Rehydration of a Nucleic Acid system containing a Polypyridyl Ruthenium Complex at 74% relative humidity (6/7)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3S80	PDB ENTRY 3S80

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.3	293	1ul 1mM d(TCGGCGCCGA)2, 1ul 4mM lambda-[Ru(TAP)2(dppz)]2+, 6ul 12mM spermine, 10% MPD, 40mM sodium cacodylate, 80mM KCl, 20mM BaCl2. Equilibriated against 1ml 35% MPD. Crystal was dehydrated to 74% relative humidity on the beamline using the HC1b., pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.15	α = 90
b = 44.15	β = 90
c = 27.49	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	298	PIXEL	DECTRIS PILATUS 6M		2012-12-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.8266	Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.45	27.49	99.9			5180	5810		2.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.45	1.49	100

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3S80	1.45	23.35	4913	4913	238	99.9	0.13685	0.13609	0.14	0.15352	0.16	RANDOM	20.541

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]
0.13			0.13		-0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_long_range_B_refined	4.741
r_long_range_B_other	4.736
r_scangle_other	3.558
r_angle_refined_deg	2.893
r_scbond_it	2.331
r_scbond_other	2.327
r_angle_other_deg	1.635
r_chiral_restr	0.082
r_gen_planes_refined	0.038
r_bond_refined_d	0.021
r_gen_planes_other	0.005
r_bond_other_d	0.002
r_dihedral_angle_1_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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_scangle_it
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	202
Solvent Atoms	31
Heterogen Atoms	53

Software

Software
Software Name	Purpose
GDA	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling