3DNI

CRYSTALLOGRAPHIC REFINEMENT AND STRUCTURE OF DNASE I AT 2 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 131.6	α = 90
b = 54.9	β = 91.4
c = 38.4	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1

Refinement

Statistics
Diffraction ID	Structure Solution Method	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		2	6	17774			0.177

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
p_orthonormal_tor	34.2
p_staggered_tor	19.7
p_planar_tor	3.1
p_scangle_it	2.34
p_mcangle_it	1.91
p_scbond_it	1.51
p_mcbond_it	1.16
p_xhyhbond_nbd	0.213
p_singtor_nbd	0.183
p_multtor_nbd	0.177
p_chiral_restr	0.143
p_angle_d	0.03
p_planar_d	0.03
p_bond_d	0.023
p_plane_restr	0.019
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2034
Nucleic Acid Atoms
Solvent Atoms	375
Heterogen Atoms	85

Software

Software
Software Name	Purpose
PROLSQ	refinement