Experiment: 4ITQ

Crystal structure of hypothetical protein SCO1480 bound to DNA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.6	277	19% PEG 3350, 210 mM KSCN, 5% ethylene glycol, 100 mM HEPES pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.42	α = 90
b = 71.782	β = 90
c = 102.925	γ = 90

Symmetry
Space Group	C 2 2 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	PIXEL	PSI PILATUS 6M	mirrors	2012-07-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	0.9793	NSLS	X25

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	2.6	50	99.6	0.055	31.2	6.1		5202		2	61

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	2.6	2.64	94.7		0.539	1.4	4.6	462

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.7	29.439	4664	4613	447	98.91	0.2672	0.2617	0.2656	0.315	0.3085	random	67.32

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]
29.9819			-13.1865		-18.3995

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	22.447
f_angle_d	0.789
f_chiral_restr	0.038
f_bond_d	0.003
f_plane_restr	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	658
Nucleic Acid Atoms	328
Solvent Atoms	6
Heterogen Atoms

Software

Software
Software Name	Purpose
CBASS	data collection
AutoSol	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling