3H02

2.15 Angstrom Resolution Crystal Structure of Naphthoate Synthase from Salmonella typhimurium.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	295	Protein solution: 0.3M NaCl, 10mM HEPES (pH 7.5); Screen solution: 20% PEG-3350, 0.2M Sodium Sulphate,0.1M B-Tris (pH 5.5); Freezing: Paratone, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.96	37.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.897	α = 90
b = 132.819	β = 90
c = 151.791	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	100	CCD	MARMOSAIC 300 mm CCD	mirrors	2009-02-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.97925	APS	21-ID-D

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	2.15	30	98.9	0.088	43.5	14.9	82913	82913		-3	29.6

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	2.15	2.19	98.2		0.487	6.1	14.6	4069

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	2.15	29.83	78544	78544	4153	98.62	0.17096	0.17096	0.16858	0.2152	RANDOM	18.788

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			-2.25		1.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.592
r_dihedral_angle_4_deg	13.652
r_dihedral_angle_3_deg	10.025
r_scangle_it	4.869
r_scbond_it	3.295
r_dihedral_angle_1_deg	2.777
r_mcangle_it	1.765
r_angle_refined_deg	1.356
r_mcbond_it	1.05
r_angle_other_deg	0.778
r_mcbond_other	0.303
r_chiral_restr	0.084
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12084
Nucleic Acid Atoms
Solvent Atoms	626
Heterogen Atoms	38

Software

Software
Software Name	Purpose
Blu-Ice	data collection
SHARP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling