5FR8

Crystal structure of the siderophore receptor PirA from Acinetobacter baumannii

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1FEP	PDB ENTRY 1FEP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9		16% PEG 8000, 0.15 M MAGNESIUM SULFATE BICINE PH 9

Crystal Properties
Matthews coefficient	Solvent content
4.44	72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.09	α = 90
b = 99.09	β = 90
c = 504.37	γ = 120

Symmetry
Space Group	P 32 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	PIXEL	DECTRIS PIXEL		2015-08-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03		Diamond	I03

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	2.83	85.81	90.7	0.1	12.5	6.1		62752		2

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	2.83	2.98	92.8		0.64	2.4	5.8

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 1FEP	2.83	84.6	59594	3157	89.34	0.22901	0.22745	0.25795	RANDOM	69.82

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]
-5.27			-5.27		10.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.244
r_dihedral_angle_4_deg	19.019
r_dihedral_angle_3_deg	17.146
r_dihedral_angle_1_deg	7.208
r_angle_refined_deg	1.363
r_angle_other_deg	0.727
r_chiral_restr	0.075
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10950
Nucleic Acid Atoms
Solvent Atoms	3
Heterogen Atoms	42

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
XDS	data reduction
xia2	data scaling
XSCALE	data scaling
PHASER	phasing