Experiment: 5YZE

Crystal structure of the [Co2+-(chromomycin A3)2]-d(CCG)3 complex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277.15	0.75mM DNA, 1.5mM Chro, 3mM Cobalt, 50mM Sodium Cacodylate (pH= 6.0), 1mM MgCl2, 1% MPD eqillibriated against 30% MPD

Crystal Properties
Matthews coefficient	Solvent content
3.64	66.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.401	α = 90
b = 46.401	β = 90
c = 73.822	γ = 120

Symmetry
Space Group	P 32 1 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315		2012-09-18	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1	1.56418	NSRRC	BL13B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.87	27.2	99.6	0.05	0.05	44.55	4		7726			31.27

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.87	1.94			0.171	0.171

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MAD	NONE	1.87	27.18	1.37	7708	354	99.7	0.196	0.194	0.1939	0.252	0.2565	47.48

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	26.219
f_angle_d	1.008
f_chiral_restr	0.05
f_plane_restr	0.007
f_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	398
Solvent Atoms	77
Heterogen Atoms	169

Software

Software
Software Name	Purpose
PHENIX	refinement
SHELXDE	phasing
HKL-2000	data scaling
Coot	model building
HKL-2000	data reduction