3FHH

Crystal structure of the heme/hemoglobin outer membrane transporter ShuA from Shigella dysenteriae

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	290	13-15% PEG 1K, 0.1M MES pH 6.5, 0.1M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
3.7	66.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.099	α = 90
b = 114.217	β = 90
c = 117.085	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		FLAT PANEL			2008-05-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9788, 0.9791, 0.9793, 0.9752	ESRF	ID29

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	2.6	19.94	99.7	0.09	16.27	7.1	32798	32798		-3

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)
	2.6	2.7	99.9		0.448	4.68	7.3	3433

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	MAD	THROUGHOUT	2.6	19.94	31105	1647	99.86	0.23978	0.23736	0.28581	RANDOM	59.34

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]
0.7			-7.95		7.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.992
r_dihedral_angle_3_deg	20.381
r_dihedral_angle_4_deg	20.17
r_dihedral_angle_1_deg	7.898
r_scangle_it	2.413
r_scbond_it	1.692
r_angle_refined_deg	1.489
r_mcangle_it	1.06
r_mcbond_it	0.587
r_nbtor_refined	0.313

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.992
r_dihedral_angle_3_deg	20.381
r_dihedral_angle_4_deg	20.17
r_dihedral_angle_1_deg	7.898
r_scangle_it	2.413
r_scbond_it	1.692
r_angle_refined_deg	1.489
r_mcangle_it	1.06
r_mcbond_it	0.587
r_nbtor_refined	0.313
r_symmetry_vdw_refined	0.26
r_nbd_refined	0.241
r_xyhbond_nbd_refined	0.17
r_symmetry_hbond_refined	0.155
r_chiral_restr	0.107
r_bond_refined_d	0.012
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4756
Nucleic Acid Atoms
Solvent Atoms	45
Heterogen Atoms	24

Software

Software
Software Name	Purpose
ADSC	data collection
SHELXS	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling

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 R01GM157729.