Experiment: 1FD5

BINDING OF A MACROCYCLIC BISACRIDINE AND AMETANTRONE TO CGTACG INVOLVES SIMILAR UNUSUAL INTERCALATION PLATFORMS (BISACRIDINE COMPLEX)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	298	MPD, sodium cacodylate buffer, magnesium chloride, cobalt chloride, spermine, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.584	α = 90
b = 54.038	β = 90
c = 40.215	γ = 90

Symmetry
Space Group	C 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	110	CCD	CUSTOM-MADE		1999-08-28	M	MAD
2	1	110	CCD	CUSTOM-MADE		2000-02-05

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.7251, 0.9199, 0.9200,0.8856	APS	19-ID
2	SYNCHROTRON	APS BEAMLINE 19-ID		APS	19-ID

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	1.1	100	99.9	0.057	40.5	9.4	196823	196823			23

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.1	1.14	100		0.597		7.2	1293

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		1.1	10	2	4	12702	10911	544		0.168	0.163	0.1639	0.203	random

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
s_angle_d	2
s_bond_d	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	225
Solvent Atoms	65
Heterogen Atoms	28

Software

Software
Software Name	Purpose
SHELXL-97	refinement
CNS	refinement
d*TREK	data reduction
HKL-2000	data scaling
CNS	phasing