4ITW

Anaerobic crystal structure of iron soaked (75 min) ferritin from Pseudo-nitzschia multiseries

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5		pH 5.5, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.95	58.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 174.767	α = 90
b = 174.767	β = 90
c = 174.767	γ = 90

Symmetry
Space Group	P 2 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315r			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1	1	SSRL	BL7-1

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	50	100	0.115	12.2	14.3		119366

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	2.03	100		0.658		14.2	5928

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	MOLECULAR REPLACEMENT	THROUGHOUT	2	48.52	119135	5966	99.83	0.1892	0.1868	0.2349	RANDOM	31.475

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_2_deg	41.513
r_dihedral_angle_4_deg	19.832
r_dihedral_angle_3_deg	15.251
r_dihedral_angle_1_deg	5.533
r_scbond_it	4.504
r_mcangle_it	3.709
r_mcbond_it	2.85
r_angle_refined_deg	1.955
r_chiral_restr	0.136
r_bond_refined_d	0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.513
r_dihedral_angle_4_deg	19.832
r_dihedral_angle_3_deg	15.251
r_dihedral_angle_1_deg	5.533
r_scbond_it	4.504
r_mcangle_it	3.709
r_mcbond_it	2.85
r_angle_refined_deg	1.955
r_chiral_restr	0.136
r_bond_refined_d	0.02
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9944
Nucleic Acid Atoms
Solvent Atoms	853
Heterogen Atoms	8

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.