1PYI

CRYSTAL STRUCTURE OF A PPR1-DNA COMPLEX: DNA RECOGNITION BY PROTEINS CONTAINING A ZN2CYS6 BINUCLEAR CLUSTER

X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
3.53	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.8	α = 90
b = 92.6	β = 90
c = 174.7	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		AREA DETECTOR	XENTRONICS		1993-10-09	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

Data Collection

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		3.2	10	35480			0.245		0.33

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1253
Nucleic Acid Atoms	568
Solvent Atoms	1
Heterogen Atoms	4

Software

Software
Software Name	Purpose
XDS	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.