3STH

Crystal structure of glyceraldehyde-3-phosphate dehydrogenase from Toxoplasma gondii

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	TOGOA.00914.A.A1.PW28008 23.8 MG/ ML, PH 5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K, PACT F11, 0.2 M Sodium citrate, 0.1M Bis Tris propand pH 6.5, 20% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.367	α = 90
b = 104.322	β = 90
c = 146.625	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	ADSC QUANTUM 315r		2010-07-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1		ALS	5.0.1

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	2.25	50	99.7	0.12	5.7	5.6		75704

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	2.25	2.29	98.7		0.481		5.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	3CPS	2.25	50	75385	3830		0.175	0.172	0.216	RANDOM	23.444

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]
-1.01			-0.24		1.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.585
r_dihedral_angle_4_deg	21.602
r_dihedral_angle_3_deg	13.665
r_dihedral_angle_1_deg	6.212
r_scangle_it	2.431
r_scbond_it	1.541
r_angle_refined_deg	1.277
r_mcangle_it	0.88
r_angle_other_deg	0.866
r_mcbond_it	0.459
r_mcbond_other	0.106
r_chiral_restr	0.075
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10169
Nucleic Acid Atoms
Solvent Atoms	751
Heterogen Atoms	232

Software

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