1N1T

Trypanosoma rangeli sialidase in complex with DANA at 1.6 A

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	291	PEG-8000, sodium cacodylate, ammonium sulfate, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.71	54.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.945	α = 90
b = 96.258	β = 90
c = 106.513	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 4		2001-01-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.98	ESRF	ID14-4

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	1.6	30	94.6	0.066		3.8		95328

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)
	1.6	1.63	94.4		0.192

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1N1S	1.6	15	90373	90373	4771	94.6	0.17424	0.17424	0.17303	0.197	RANDOM	14.102

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]
0.48			0.06		-0.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.459
r_dihedral_angle_1_deg	5.373
r_scangle_it	3.909
r_scbond_it	2.489
r_mcangle_it	1.637
r_angle_refined_deg	1.61
r_mcbond_it	0.906
r_nbd_refined	0.222
r_symmetry_hbond_refined	0.184
r_symmetry_vdw_refined	0.165

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.459
r_dihedral_angle_1_deg	5.373
r_scangle_it	3.909
r_scbond_it	2.489
r_mcangle_it	1.637
r_angle_refined_deg	1.61
r_mcbond_it	0.906
r_nbd_refined	0.222
r_symmetry_hbond_refined	0.184
r_symmetry_vdw_refined	0.165
r_xyhbond_nbd_refined	0.128
r_chiral_restr	0.123
r_bond_refined_d	0.013
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4831
Nucleic Acid Atoms
Solvent Atoms	661
Heterogen Atoms	30

Software

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.