2FHR

Trypanosoma Rangeli Sialidase In Complex With 2,3- Difluorosialic Acid (Covalent Intermediate)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5	291	PEG 8000, AMMONIUM SULFATE, SODIUM CACODYLATE, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K, pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.873	α = 90
b = 95.007	β = 90
c = 110.751	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 210		2003-11-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.2	72.17	89.8	0.067	0.067	9.4	2.5		36222		1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.32	90.8		0.34	0.34	2	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	FOURIER SYNTHESIS	2.2	29.5	36190	36190	1817	88.8	0.164	0.16	0.232	RANDOM	28.16

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]
2.648			-1.065		-1.584

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.77
r_dihedral_angle_4_deg	16.935
r_dihedral_angle_3_deg	14.228
r_dihedral_angle_1_deg	7.847
r_scangle_it	3.428
r_scbond_it	2.409
r_angle_refined_deg	1.841
r_mcangle_it	1.566
r_mcbond_it	1.246
r_angle_other_deg	0.895
r_mcbond_other	0.264
r_symmetry_vdw_other	0.263
r_nbd_refined	0.208
r_nbd_other	0.195
r_nbtor_refined	0.18
r_xyhbond_nbd_refined	0.18
r_symmetry_vdw_refined	0.164
r_symmetry_hbond_refined	0.16
r_chiral_restr	0.11
r_nbtor_other	0.089
r_xyhbond_nbd_other	0.052
r_bond_refined_d	0.021
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
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	4822
Nucleic Acid Atoms
Solvent Atoms	388
Heterogen Atoms	37

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling