ISDA: 8DF8

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	5.5	303	Protein was mixed with the annealed oligonucleotide using a stoichiometric ratio of 1.25:1 DNA to protein in 1X DNA binding buffer. Reactions were incubated for thirty minutes at 65 C. Crystals started to appear within minutes of setting up the trays in 1:1 or 2:1 well to complex ratio. Well solution: 2 ul:1 ul (reaction:well solution), 2% PEG 8K, 24 mM sodium acetate pH 5.1, 26 mM sodium acetate pH 5.6, 12.5 uM phosphotungstic acid. 5X DNA binding buffer: 250 mM sodium acetate pH 5.0 at 65C, 150 mM sodium chloride, 5 mM magnesium chloride.

Unit Cell:

a: 120.941 Å b: 120.941 Å c: 497.569 Å α: 90.000° β: 90.000° γ: 90.000°

Symmetry:

Space Group: P 43 21 2

Crystal Properties:

Matthew's Coefficient: 4.14 Solvent Content: 70.29

Refinement Statistics

Diffraction ID	Structure Solution Method	Cross Validation Method	Resolution Limit (High)	Resolution Limit (Low)	Number of Reflections (Observed)	Number of Reflections (R-free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2.92	58.76	56123	2845	68.94	0.2587	0.2877	98.65

Data Collection

Overall

Resolution Limit (High)	Resolution Limit (Low)	Percent Possible (Observed)	R Merge I (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
2.92	108.8	69	0.081	?	21	13.9	?	56136	?	?	96.20

Highest Resolution Shell

#	Resolution Limits (Low)	Resolution Limits (High)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.92	3.24	12.9	?	?	1.7	18.7	?

Diffraction

Diffraction experiment

Crystal ID	Scattering Type	Data Collection Temprature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1		100 K			?

Radiation Source

Source	Type	Wavelength List	Synchrotron Site	Beamline
SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

Software