1OVR

CRYSTAL STRUCTURE OF FOUR-HELIX BUNDLE MODEL di-Mn(II)-DF1-L13

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	peg 400, Buffer Tris-HCl, pH 7.50, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.57	54.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.888	α = 90
b = 149.177	β = 90
c = 38.578	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH	MIRROR	2001-06-15	M	1.200

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R	1.2000	ELETTRA	5.2R

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	2.99	76.4	98.1	0.051	0.051	16.5	2.2		5371			56

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	1.91	2.01	98.1		0.168	0.168	7	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	UNCONVENTIONAL METHOD USING THE GROUP-SUBGROUP RELATION	THROUGHOUT	2.99	15	5371	240	98.1	0.22931	0.2258	0.30542	RANDOM	32.402

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]
-0.35			0.2		0.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	25.439
r_scangle_it	9.07
r_dihedral_angle_1_deg	5.939
r_scbond_it	5.441
r_mcangle_it	2.98
r_angle_refined_deg	1.857
r_mcbond_it	1.408
r_nbd_refined	0.297
r_symmetry_vdw_refined	0.274
r_symmetry_hbond_refined	0.26
r_xyhbond_nbd_refined	0.182
r_chiral_restr	0.132
r_bond_refined_d	0.023
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1664
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms	5

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
REFMAC	refinement
CCP4	data scaling