173D

MULTIPLE BINDING MODES OF ANTICANCER DRUG ACTINOMYCIN D: X-RAY, MOLECULAR MODELING, AND SPECTROSCOPIC STUDIES OF D(GAAGCTTC)2-ACTINOMYCIN D COMPLEXES AND ITS HOST DNA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		PH 7.00, VAPOR DIFFUSION, TEMPERATURE 277.00K

Crystal Properties
Matthews coefficient	Solvent content
2.88	57.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.9	α = 90
b = 61.41	β = 90
c = 54.25	γ = 90

Symmetry
Space Group	F 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	123	DIFFRACTOMETER	RIGAKU AFC-5R			M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	3						1016

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		3	8	2	1016			0.202	0.202

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
x_angle_deg	5.9
x_bond_d	0.037
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	94
Nucleic Acid Atoms	322
Solvent Atoms	96
Heterogen Atoms

Software

Software
Software Name	Purpose
X-PLOR	refinement