3BE6

Crystal structure of FitE (crystal form 2), a group III periplasmic siderophore binding protein

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	294	0.1M Tris-HCl pH 7.5, 0.2M MgCl2, 22% (w/v) PEG 3350, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.815	α = 90
b = 109.12	β = 90
c = 221.992	γ = 90

Symmetry
Space Group	P 21 21 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	CCD	ADSC QUANTUM 315	Cryogenically cooled double crystal monochromator with horizontal focusing sagitally bent second mono crystal	2006-11-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.10000	NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.82	50		0.081	13.7	4.6		102274		4	18.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.82	1.89	63.7		0.182	4.1	2.4	6957

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3BE5	1.82	49.45	97076	5120	91.96	0.18975	0.18823	0.21851	RANDOM	21.31

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]
-0.26			1.96		-1.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.501
r_dihedral_angle_4_deg	16.688
r_dihedral_angle_3_deg	13.394
r_dihedral_angle_1_deg	4.649
r_scangle_it	2.446
r_scbond_it	1.476
r_angle_refined_deg	1.046
r_mcangle_it	0.944
r_mcbond_it	0.609
r_nbtor_refined	0.301

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.501
r_dihedral_angle_4_deg	16.688
r_dihedral_angle_3_deg	13.394
r_dihedral_angle_1_deg	4.649
r_scangle_it	2.446
r_scbond_it	1.476
r_angle_refined_deg	1.046
r_mcangle_it	0.944
r_mcbond_it	0.609
r_nbtor_refined	0.301
r_nbd_refined	0.193
r_symmetry_hbond_refined	0.164
r_symmetry_vdw_refined	0.14
r_xyhbond_nbd_refined	0.137
r_chiral_restr	0.072
r_metal_ion_refined	0.057
r_bond_refined_d	0.008
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8992
Nucleic Acid Atoms
Solvent Atoms	807
Heterogen Atoms	26

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.