8I6L

Crystal structure of horse spleen L-ferritin at -180deg Celsius.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8	293	Ammonium sulfate (0.5-1.0M), Cadmium sulfate(12-20mM)

Crystal Properties
Matthews coefficient	Solvent content
3.18	61.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 182.058	α = 90
b = 182.058	β = 90
c = 182.058	γ = 90

Symmetry
Space Group	F 4 3 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93.15	PIXEL	RIGAKU HyPix-6000HE		2022-07-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E DW	1.542

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.5	18.581	99.6	0.054	1	26.8	10		41630

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.53			0.946

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1DAT	1.5	18.581	41564	2069	99.383	0.156	0.1549	0.1743	10.88

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
r_dihedral_angle_6_deg	18.027
r_dihedral_angle_3_deg	13.628
r_dihedral_angle_2_deg	7.491
r_lrange_it	5.907
r_lrange_other	5.572
r_dihedral_angle_1_deg	4.684
r_scangle_it	4.035
r_scangle_other	3.996
r_scbond_it	2.616
r_scbond_other	2.548
r_mcangle_other	2.158
r_mcangle_it	2.157
r_angle_refined_deg	1.792
r_mcbond_it	1.396
r_mcbond_other	1.396
r_angle_other_deg	0.611
r_symmetry_nbd_refined	0.409
r_nbd_refined	0.247
r_symmetry_metal_ion_refined	0.227
r_xyhbond_nbd_refined	0.205
r_metal_ion_refined	0.193
r_nbtor_refined	0.187
r_symmetry_nbd_other	0.163
r_nbd_other	0.147
r_symmetry_xyhbond_nbd_refined	0.145
r_chiral_restr	0.089
r_symmetry_nbtor_other	0.071
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_symmetry_xyhbond_nbd_other	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1393
Nucleic Acid Atoms
Solvent Atoms	259
Heterogen Atoms	46

Software

Software
Software Name	Purpose
CrysalisPro	data collection
CrysalisPro	data reduction
Aimless	data scaling
MOLREP	phasing
REFMAC	refinement
Coot	model building