2O2S

The structure of T. gondii enoyl acyl carrier protein reductase in complex with NAD and triclosan

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2O2Y	PDB ENTRY 2O2Y

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9	290	0.1M Tris-HCL, 6% PEG 8000, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.075	α = 90
b = 78.075	β = 90
c = 187.955	γ = 120

Symmetry
Space Group	P 32 2 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	IMAGE PLATE	MAR scanner 345 mm plate	mirrors	2004-06-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU

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	2.6	30	99.9	0.082		5.2	21105	21105	2	2

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	2.6	2.7	99.4		0.48		5

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 ENTRY 2O2Y	2.6	20	21105	19990	1080	99.73	0.208	0.20492	0.26692	RANDOM	54.158

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]
3.86	1.93		3.86		-5.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.23
r_dihedral_angle_3_deg	17.38
r_dihedral_angle_4_deg	17.035
r_dihedral_angle_1_deg	7.065
r_scangle_it	2.134
r_angle_refined_deg	1.621
r_scbond_it	1.331
r_mcangle_it	0.99
r_angle_other_deg	0.95
r_mcbond_it	0.573
r_symmetry_hbond_refined	0.293
r_symmetry_vdw_other	0.23
r_nbd_refined	0.223
r_nbtor_refined	0.186
r_nbd_other	0.183
r_xyhbond_nbd_refined	0.174
r_mcbond_other	0.119
r_chiral_restr	0.105
r_symmetry_vdw_refined	0.099
r_nbtor_other	0.088
r_bond_refined_d	0.013
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	4514
Nucleic Acid Atoms
Solvent Atoms	36
Heterogen Atoms	122

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
AMoRE	phasing