4LIZ

Crystal structure of coactosin from Entamoeba histolytica

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		289	100 mM HEPES, 33 % PEG 3350, 100mM Sodium acetate, 0.2 mM CaCl2, 10mM MgCl2, pH 7.3 - 7.5, vapor diffusion, hanging drop, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.92	57.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.601	α = 90
b = 76.601	β = 90
c = 54.647	γ = 120

Symmetry
Space Group	P 65

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		2009-10-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.97372	ESRF	BM14

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	1.499	50	98.2	0.054	17.6	8.6		28852

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	1.499	1.55	85.2		0.331		3.5

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	SAD	THROUGHOUT	1.499	42.21	27365	1458	98.1	0.16336	0.16204	0.18827	RANDOM	25.25

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]
-0.22	-0.22		-0.22		0.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.59
r_dihedral_angle_4_deg	28.491
r_dihedral_angle_3_deg	13.618
r_dihedral_angle_1_deg	6.04
r_mcangle_it	5.094
r_scbond_it	4.153
r_mcbond_it	3.13
r_mcbond_other	3.119
r_angle_refined_deg	2.68
r_angle_other_deg	1.074
r_chiral_restr	0.176
r_bond_refined_d	0.027
r_gen_planes_refined	0.012
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_mcangle_other
r_scbond_other
r_scangle_it
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	1082
Nucleic Acid Atoms
Solvent Atoms	227
Heterogen Atoms	16

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
SHELXD	phasing