3DVO

SgrAI with cognate DNA and calcium bound

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		290	PEG4000, buffer, NaCl, CaCl2, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.5	50.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.136	α = 90
b = 119.248	β = 95.62
c = 123.799	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2

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	1.89		92.8	0.12	6.5	3.4		126080

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	pdb entry 3dpg	1.892	41.068	126065	2166	92.77	0.2211	0.2202	0.2732

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
f_dihedral_angle_d	19.905
f_angle_d	1.255
f_chiral_restr	0.076
f_bond_d	0.008
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10556
Nucleic Acid Atoms	1464
Solvent Atoms	776
Heterogen Atoms	8

Software

Software
Software Name	Purpose
PHENIX	refinement