3HWO

Crystal structure of Escherichia coli enterobactin-specific isochorismate synthase EntC in complex with isochorismate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	0.1M MES pH 6.5, 12% PEG 20,000, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.469	α = 90
b = 104.795	β = 90
c = 140.014	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						M	SINGLE WAVELENGTH
2	1	x-ray						M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	1.0	ESRF	ID29
2	SYNCHROTRON	SRS BEAMLINE PX10.1	0.979	SRS	PX10.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.3	42.6	99			41738	41380	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	2.3		99

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	SIR	THROUGHOUT	2.3	42.6	2	41380	39292	2088	99.7	0.20271	0.19991	0.25559	RANDOM	47.326

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]
-0.37			0.66		-0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.48
r_dihedral_angle_4_deg	21.234
r_dihedral_angle_3_deg	19.147
r_scangle_it	7.475
r_dihedral_angle_1_deg	6.262
r_scbond_it	5.488
r_mcangle_it	4.131
r_mcbond_it	2.739
r_angle_refined_deg	1.443
r_symmetry_hbond_refined	0.412

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.48
r_dihedral_angle_4_deg	21.234
r_dihedral_angle_3_deg	19.147
r_scangle_it	7.475
r_dihedral_angle_1_deg	6.262
r_scbond_it	5.488
r_mcangle_it	4.131
r_mcbond_it	2.739
r_angle_refined_deg	1.443
r_symmetry_hbond_refined	0.412
r_nbtor_refined	0.318
r_symmetry_vdw_refined	0.313
r_nbd_refined	0.237
r_xyhbond_nbd_refined	0.203
r_chiral_restr	0.092
r_metal_ion_refined	0.069
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5856
Nucleic Acid Atoms
Solvent Atoms	262
Heterogen Atoms	36

Software

Software
Software Name	Purpose
ADSC	data collection
SHARP	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	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.