Experiment: 2IIF

single chain Integration Host Factor mutant protein (scIHF2-K45aE) in complex with DNA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	1:1 mix water/ well solution containing: 50mM Tris(pH 7.5), 25% PEG5000-MME, 20% glycerol, 50mM NaCl, 7.5mM MnCl2, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.239	α = 90
b = 54.444	β = 90
c = 177.865	γ = 90

Symmetry
Space Group	P 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	103	IMAGE PLATE	RIGAKU RAXIS IV		2005-10-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.542

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	2.72	45	97.1			12904	12530

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.72	2.87	95.9

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 (All)	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	FOURIER SYNTHESIS	THROUGHOUT	2.72	40	12978	12511	381	96.4	0.238	0.238	0.237	0.2355	0.274	0.2846	copied from scIHF2 (wild type) data set	52.478

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]

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	3.127
c_mcangle_it	2.762
c_scbond_it	2.006
c_mcbond_it	1.644
c_angle_deg	0.85
c_bond_d	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1610
Nucleic Acid Atoms	1426
Solvent Atoms	163
Heterogen Atoms	8

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
CNS	phasing