3OEX

Crystal Structure of Type I 3-Dehydroquinate Dehydratase (aroD) from Salmonella typhimurium with close loop conformation.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3L2I	PDB CODE 3L2I

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	295	Protein: 7.5mGr/mL, 0.5M Sodium Cloride, 0.01M TRIS-HCL pH 8.3, 1mM 3-DHSK; Screen: ANL-2 (E7), 0.17M Ammonium acetate, 0.085M Sodium acetate pH 4.6, 25.5% PEG 4000, 15% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.147	α = 90
b = 75.757	β = 102.65
c = 94.263	γ = 90

Symmetry
Space Group	P 1 21 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	CCD	MARMOSAIC 300 mm CCD	Beryllium lenses	2009-12-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

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	1.9	30	99.9	0.085	12.6	3.3	69261	69261		-3	18.1

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)
	1.9	1.93	99.7		0.389	2.8	2.7	3428

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB CODE 3L2I	1.9	29.53	65729	65729	3507	99.75	0.15443	0.1518	0.20366	RANDOM	17.986

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]
1.02		0.5	-0.52		-0.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.055
r_dihedral_angle_4_deg	10.955
r_dihedral_angle_3_deg	10.629
r_scangle_it	4.79
r_dihedral_angle_1_deg	3.296
r_scbond_it	2.901
r_mcangle_it	1.819
r_angle_refined_deg	1.431
r_mcbond_it	1.062
r_angle_other_deg	0.88

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.055
r_dihedral_angle_4_deg	10.955
r_dihedral_angle_3_deg	10.629
r_scangle_it	4.79
r_dihedral_angle_1_deg	3.296
r_scbond_it	2.901
r_mcangle_it	1.819
r_angle_refined_deg	1.431
r_mcbond_it	1.062
r_angle_other_deg	0.88
r_mcbond_other	0.313
r_chiral_restr	0.087
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7649
Nucleic Acid Atoms
Solvent Atoms	887
Heterogen Atoms	4

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	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.