4DAS

Crystal structure of Bullfrog M ferritin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	3.0 M sodium formate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
4.19	70.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 210.951	α = 90
b = 210.951	β = 90
c = 323.002	γ = 120

Symmetry
Space Group	P 31 2 1

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 315r	Toroidal Mirror	2009-07-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.97625	ESRF	ID23-1

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	2.56	100.5	98	0.115	5.2	1.9	259578	259578		2	42.386

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	2.56	2.7	98.5		0.362	1.7	1.9	37996

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1MFR	2.56	79.51	2	246309	246309	13045	97.48	0.18867	0.18867	0.186	0.23895	RANDOM	31.184

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]
-0.03	-0.02		-0.03		0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.446
r_dihedral_angle_4_deg	20.963
r_dihedral_angle_3_deg	20.266
r_dihedral_angle_1_deg	5.745
r_scangle_it	4.655
r_scbond_it	2.689
r_angle_refined_deg	1.692
r_mcangle_it	1.468
r_mcbond_it	0.697
r_chiral_restr	0.116
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	34042
Nucleic Acid Atoms
Solvent Atoms	1525
Heterogen Atoms	268

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling