3CS1

Flagellar Calcium-binding Protein (FCaBP) from T. cruzi

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6	298	well solution: 2.88M ammonium sulfate, 0.09M MES pH 6.0, 0.075 magnesium chloride, 0.01M sodium acetate pH 4.6., hanging drop vapor diffusion, temperature 298K, pH 6.00

Crystal Properties
Matthews coefficient	Solvent content
1.76	29.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.91	α = 90
b = 37.67	β = 90
c = 141.33	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	105	IMAGE PLATE	RIGAKU RAXIS IV++		2005-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	29.84	99.8				12558

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	2.07	97.9		0.308	4.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	SAD	2	20	12496	600	99.8	0.216	0.212	0.288	31

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]
-0.59			2.05		-1.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.73
r_dihedral_angle_4_deg	19.374
r_dihedral_angle_3_deg	18.151
r_dihedral_angle_1_deg	5.188
r_scangle_it	3.652
r_scbond_it	2.497
r_angle_refined_deg	1.741
r_mcangle_it	1.434
r_mcbond_it	0.971
r_nbtor_refined	0.311
r_symmetry_hbond_refined	0.274
r_symmetry_vdw_refined	0.228
r_nbd_refined	0.218
r_xyhbond_nbd_refined	0.188
r_chiral_restr	0.113
r_bond_refined_d	0.019
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1556
Nucleic Acid Atoms
Solvent Atoms	65
Heterogen Atoms

Software

Software
Software Name	Purpose
d*TREK	data scaling
SHELX	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SHELXD	phasing