4GUJ

1.50 Angstrom Crystal Structure of the Salmonella enterica 3-Dehydroquinate Dehydratase (aroD) in Complex with Shikimate

X-RAY DIFFRACTION

---

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	300	protein: 7.5 mg/mL in 0.5 M sodium shikimate, 0.01 M Tris-HCl, crystallization condition: Qiagen PEG II B8 (0.01 M nickel chloride, 0.1 M Tris, pH 8.5, 20% w/v PEG2000 MME), crystal incubated in and frozen from 2 M sodium shikimate, VAPOR DIFFUSION, SITTING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.62	α = 90
b = 74.966	β = 100.49
c = 63.042	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 225 mm CCD	Beryllium lens	2012-08-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	1.5	30	96.9	0.045	25.5	3.9	69175	69175		-3

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	1.5	1.53	94.5		0.367	3.8	3.9	3375

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3L2I	1.5	28.66	65443	65443	3483	96.85	0.15674	0.15674	0.15534	0.18237	RANDOM	20.966

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]
-1.96		1.7	-0.32		1.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.58
r_dihedral_angle_4_deg	13.25
r_dihedral_angle_3_deg	9.8
r_dihedral_angle_1_deg	3.547
r_angle_refined_deg	1.421
r_angle_other_deg	0.737
r_chiral_restr	0.085
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
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_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3818
Nucleic Acid Atoms
Solvent Atoms	420
Heterogen Atoms	27

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling