2JH1

Crystal structure of Toxoplasma gondii micronemal protein 1

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.6		VAPOUR DIFFUSION, HANGING DROP 3.6 M AMMONIUM ACETATE, 100 MM BIS-TRIS-PROPANE PH 7.6

Crystal Properties
Matthews coefficient	Solvent content
3.48	64.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.192	α = 90
b = 66.192	β = 90
c = 172.299	γ = 90

Symmetry
Space Group	P 43 21 2

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	MARRESEARCH	COLLIMATOR, MIRRORS	2006-02-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX10.1		SRS	PX10.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	18	96.6	0.08	19.2	5.1		30153		-3.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.97	76.2		0.31	3.4	3.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	1.9	17.49	28518	1525	96.7	0.179	0.178	0.205	RANDOM	27.77

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.907
r_dihedral_angle_3_deg	13.606
r_dihedral_angle_4_deg	12.27
r_dihedral_angle_1_deg	6.653
r_scangle_it	4.444
r_scbond_it	2.875
r_mcangle_it	1.735
r_angle_refined_deg	1.622
r_mcbond_it	1.099
r_nbtor_refined	0.299
r_symmetry_vdw_refined	0.219
r_nbd_refined	0.203
r_symmetry_hbond_refined	0.19
r_xyhbond_nbd_refined	0.166
r_chiral_restr	0.116
r_bond_refined_d	0.018
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1787
Nucleic Acid Atoms
Solvent Atoms	181
Heterogen Atoms	74

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing